Revision 44673 trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.api/src/main/java/org/gvsig/fmap/dal/feature/FeatureAttributeDescriptor.java
FeatureAttributeDescriptor.java | ||
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import java.math.MathContext; |
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import java.text.DateFormat; |
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import java.util.Locale; |
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import org.cresques.cts.IProjection; |
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|
... | ... | |
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import org.gvsig.tools.dataTypes.CoercionContext; |
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/** |
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* A feature attribute descriptor contains information about |
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* one of the attributes in a feature, such as its name, data type |
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* or precision. |
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* |
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* A feature attribute descriptor contains information about one of the |
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* attributes in a feature, such as its name, data type or precision. |
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* |
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* @author gvSIG team |
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* @version $Id$ |
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*/ |
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public interface FeatureAttributeDescriptor |
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extends DynField_v2, LabeledValue<FeatureAttributeDescriptor> |
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{ |
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public static final int BYTE_MAX_PRECISION = 3; // max byte 255 |
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public static final int BYTE_DEFAULT_PRECISION = BYTE_MAX_PRECISION; |
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public interface FeatureAttributeDescriptor |
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extends DynField_v2, LabeledValue<FeatureAttributeDescriptor> { |
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public static final int INT_MAX_PRECISION = 10; // max int 2147483647. |
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public static final int INT_DEFAULT_PRECISION = INT_MAX_PRECISION; |
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// public static final int BYTE_MAX_PRECISION = 3; // max byte 255 |
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// public static final int BYTE_DEFAULT_PRECISION = BYTE_MAX_PRECISION; |
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// |
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// public static final int INT_MAX_PRECISION = 10; // max int 2147483647. |
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// public static final int INT_DEFAULT_PRECISION = INT_MAX_PRECISION; |
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// |
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// public static final int LONG_MAX_PRECISION = 19; // max long 9223372036854775807. |
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// public static final int LONG_DEFAULT_PRECISION = LONG_MAX_PRECISION; |
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// |
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// // IEEE 754 Single-precision floating-point |
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// // https://en.m.wikipedia.org/wiki/Single-precision_floating-point_format |
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// public static final int FLOAT_MAX_PRECISION = 8; // 24bits |
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// public static final int FLOAT_DEFAULT_PRECISION = FLOAT_MAX_PRECISION; |
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// public static final int FLOAT_DEFAULT_SCALE = 3; |
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// |
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// // IEEE 754 Double-precision floating-point |
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// // https://en.m.wikipedia.org/wiki/Double-precision_floating-point_format |
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// public static final int DOUBLE_MAX_PRECISION = 16; // 54bits |
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// public static final int DOUBLE_DEFAULT_PRECISION = DOUBLE_MAX_PRECISION; |
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// public static final int DOUBLE_DEFAULT_SCALE = 8; |
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// |
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// // La precision de un BigDecimal es la de un BigInteger, que esta |
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// // en 2^500000000, vamos a dejarla en que es algo mas de 2^5000000, siendo |
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// // consciente de que algunos proveedores no podran suportarla y la recortaran. |
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// public static final int DECIMAL_MAX_PRECISION = 2000000; |
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// public static final int DECIMAL_DEFAULT_PRECISION = 20; |
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// public static final int DECIMAL_DEFAULT_SCALE = 3; |
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// |
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/** |
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* Returns a clone of this attribute descriptor |
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* |
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* @return FeatureAttributeDescriptor A new copy of this |
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*/ |
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public FeatureAttributeDescriptor getCopy(); |
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public static final int LONG_MAX_PRECISION = 19; // max long 9223372036854775807. |
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public static final int LONG_DEFAULT_PRECISION = LONG_MAX_PRECISION; |
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/** |
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* Returns the name of this attribute's data type. |
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* |
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* @return a string containing the name of this attribute's data type. |
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*/ |
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public String getDataTypeName(); |
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// IEEE 754 Single-precision floating-point |
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// https://en.m.wikipedia.org/wiki/Single-precision_floating-point_format |
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public static final int FLOAT_MAX_PRECISION = 8; // 24bits |
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public static final int FLOAT_DEFAULT_PRECISION = FLOAT_MAX_PRECISION; |
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public static final int FLOAT_DEFAULT_SCALE = 3; |
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public String getDataProfileName(); |
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// IEEE 754 Double-precision floating-point |
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// https://en.m.wikipedia.org/wiki/Double-precision_floating-point_format |
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public static final int DOUBLE_MAX_PRECISION = 16; // 54bits |
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public static final int DOUBLE_DEFAULT_PRECISION = DOUBLE_MAX_PRECISION; |
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public static final int DOUBLE_DEFAULT_SCALE = 8; |
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public DataProfile getDataProfile(); |
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// La precision de un BigDecimal es la de un BigInteger, que esta |
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// en 2^500000000, vamos a dejarla en que es algo mas de 2^5000000, siendo |
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// consciente de que algunos proveedores no podran suportarla y la recortaran. |
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public static final int DECIMAL_MAX_PRECISION = 2000000; |
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public static final int DECIMAL_DEFAULT_PRECISION = 20; |
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public static final int DECIMAL_DEFAULT_SCALE = 3; |
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/** |
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* Returns a clone of this attribute descriptor |
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* |
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* @return FeatureAttributeDescriptor |
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* A new copy of this |
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*/ |
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public FeatureAttributeDescriptor getCopy(); |
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/** |
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* Returns a number that indicates the size of this attribute. See the |
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* documentation for the various constants of {@link DataTypes} for how to |
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* interpret this value. As an example, when the data type is |
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* {@link DataTypes#STRING}, this value indicates the maximum length of the |
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* string. |
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* |
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* @return an <code>int</code> indicating the size of the attribute. |
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*/ |
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public int getSize(); |
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/**
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* Returns the name of this attribute's data type.
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*
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* @return
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* a string containing the name of this attribute's data type.
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*/
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public String getDataTypeName();
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/**
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* Return true if the attribitute support the "size". Only String and
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* ByteArray support size.
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*
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* @return
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*/
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public boolean supportSize();
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public String getDataProfileName(); |
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public DataProfile getDataProfile(); |
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/** |
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* Returns a number that indicates the size of this attribute. See the |
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* documentation for the various constants of {@link DataTypes} |
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* for how to interpret this value. As an example, when the data type is |
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* {@link DataTypes#STRING}, this value indicates the maximum length of the string. |
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* |
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* @return |
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* an <code>int</code> indicating the size of the attribute. |
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*/ |
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public int getSize(); |
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/** |
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* For attributes of type {@link DataTypes#DECIMAL}, this returns the maximum |
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* number of digits. For other types, this must always return zero. |
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* |
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* @return |
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*/ |
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public int getPrecision(); |
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/** |
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* For attributes of type {@link DataTypes#DECIMAL}, this returns the maximum |
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* number of digits. |
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* For other types, this must always return zero. |
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* |
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* @return |
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*/ |
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public int getPrecision(); |
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/** |
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* Return true if the attribitute support the "precision". Only numeric types |
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* support precision. |
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* |
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* @return |
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*/ |
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public boolean supportPrecision(); |
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/**
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* For attributes of type {@link DataTypes#DECIMAL}, this returns the maximum
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* number of digits after the decimal point. |
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* For other types, this must always return zero.
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*
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* @return
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*/
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public int getScale();
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/**
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* For attributes of type {@link DataTypes#DECIMAL}, this returns the maximum
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* number of digits after the decimal point. For other types, this must always
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* return zero. |
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* |
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* @return |
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*/
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public int getScale();
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/** |
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* For attributes of type {@link DataTypes#DECIMAL}, this returns the MathContext |
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* associated to this. |
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* For other types return {@link MathContext#UNLIMITED}. |
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* |
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* @return |
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*/ |
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* Return true if the attribitute support the "scale". Only float, double and |
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* Decimal support scale. |
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* |
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* @return |
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*/ |
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public boolean supportScale(); |
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/** |
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* For attributes of type {@link DataTypes#DECIMAL}, this returns the |
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* MathContext associated to this. For other types return |
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* {@link MathContext#UNLIMITED}. |
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* |
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* @return |
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*/ |
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public MathContext getMathContext(); |
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/**
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* Return a CoercionContext for this attribute.
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*
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/**
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* Return a CoercionContext for this attribute.
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* |
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* @return the CoercionContext |
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*/
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*/
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public CoercionContext getCoercionContext(); |
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/** |
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* Return a Coercion to convert a value to the type of this attribute. |
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*
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* |
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* @return the Coercion. |
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*/ |
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public Coercion getCoercion(); |
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/** |
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* For attributes of type {@link DataTypes#OBJECT}, |
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* this returns the Java {@link Class} object that class or interface that |
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* all values of this attribute can be cast to. |
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*/ |
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public Class getObjectClass(); |
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/**
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* Returns the minimum number of occurrences of this attribute on a given
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* feature. The vast majority of data sources and data consumers will only
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* function with this value being zero or one. If the minimum number of
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* occurrences is zero, this is equivalent, in SQL terms, to the attribute
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* being nillable.
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*/
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public int getMinimumOccurrences();
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/**
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* Returns the rounding mode to use when a value is converted to the
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* attribute's data type. It will only be used for Float, Double and Decimal
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* data types.
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*
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* @return
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*/
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public int getRoundMode();
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/** |
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* Returns the maximum number of occurrences of this attribute on a given |
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* feature. The vast majority of data sources and data consumers will only |
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* function with this value being one. A value of {@link Integer#MAX_VALUE} |
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* indicates that the maximum number of occurrences is unbounded. |
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*/ |
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public int getMaximumOccurrences(); |
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/** |
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* Returns the Locale associated with this attribute. It is usually used to |
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* format and recognize dates and decimal numbers. The default Locale will be |
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* <code>Locale. ENGLISH</code> |
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* |
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* @return |
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*/ |
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public Locale getLocale(); |
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/**
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* Returns {@code true} if this attribute forms all or part of the unique identifying
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* value for the feature it is contained by. The primary key attributes uniquely
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* identify this feature from other features of the same type. This is different
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* from the {@linkplain Feature#getReference()}, which must uniquely identify
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* the {@link Feature} among all feature types.
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*/
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public boolean isPrimaryKey();
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/**
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* For attributes of type {@link DataTypes#OBJECT}, this returns the Java
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* {@link Class} object that class or interface that all values of this
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* attribute can be cast to.
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*
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* @return
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*/
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public Class getObjectClass();
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/** |
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* Indicates whether this attribute accepts null values. |
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* |
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* @return |
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* true if this attribute can be null, false if not. |
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*/ |
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public boolean allowNull(); |
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/** |
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* Returns the minimum number of occurrences of this attribute on a given |
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* feature. The vast majority of data sources and data consumers will only |
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* function with this value being zero or one. If the minimum number of |
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* occurrences is zero, this is equivalent, in SQL terms, to the attribute |
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* being nillable. |
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* |
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* @return |
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*/ |
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public int getMinimumOccurrences(); |
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/** |
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* Returns an evaluator that will be used to calculate |
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* the value of this attribute |
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*/ |
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public Evaluator getEvaluator(); |
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/** |
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* Returns the maximum number of occurrences of this attribute on a given |
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* feature.The vast majority of data sources and data consumers will only |
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* function with this value being one. A value of {@link Integer#MAX_VALUE} |
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* indicates that the maximum number of occurrences is unbounded. |
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* |
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* @return |
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*/ |
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public int getMaximumOccurrences(); |
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/** |
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* If this attribute is a {@link Geometry}, this method returns its |
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* Spatial Reference System. |
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* |
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* @return |
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* the SRS if this attribute is a {@link Geometry}, otherwise this method returns null. |
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*/ |
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public IProjection getSRS(); |
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/** |
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* Returns {@code true} if this attribute forms all or part of the unique |
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* identifying value for the feature it is contained by. The primary key |
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* attributes uniquely identify this feature from other features of the same |
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* type. This is different from the {@linkplain Feature#getReference()}, which |
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* must uniquely identify the {@link Feature} among all feature types. |
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* |
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* @return |
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*/ |
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public boolean isPrimaryKey(); |
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/** |
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* If this attribute is a {@link Geometry}, this method returns the specific |
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* geometry type, |
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* as defined in {@link Geometry.TYPES}. |
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* |
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* @return |
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* One of {@link Geometry.TYPES} |
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* @deprecated use {@link #getGeomType()} instead. To be removed in gvSIG |
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* 2.1. |
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*/ |
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public int getGeometryType(); |
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/** |
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* Indicates whether this attribute accepts null values. |
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* |
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* @return true if this attribute can be null, false if not. |
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*/ |
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public boolean allowNull(); |
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/** |
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* If this attribute is a {@link Geometry}, this method returns the specific |
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* geometry subtype, |
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* as defined in {@link Geometry.SUBTYPES}. |
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* |
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* @return |
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* One of {@link Geometry.SUBTYPES} |
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* @deprecated use {@link #getGeomType()} instead. To be removed in gvSIG |
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* 2.1. |
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*/ |
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public int getGeometrySubType(); |
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/** |
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* Returns an evaluator that will be used to calculate the value of this |
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* attribute |
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*/ |
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public Evaluator getEvaluator(); |
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/** |
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* Returns the {@link GeometryType} of the attribute if it is a geometry. |
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* |
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* @return the geometry type |
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*/ |
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public GeometryType getGeomType(); |
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/** |
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* If this attribute is a {@link Geometry}, this method returns its Spatial |
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* Reference System. |
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* |
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* @return the SRS if this attribute is a {@link Geometry}, otherwise this |
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* method returns null. |
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*/ |
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public IProjection getSRS(); |
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238 | 253 |
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/**
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* If this attribute is of type Date, then this method returns
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* the date format set by the data store.
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*
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* @return
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* a date format
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*/
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public DateFormat getDateFormat();
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/**
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* If this attribute is a {@link Geometry}, this method returns the specific
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* geometry type, as defined in {@link Geometry.TYPES}.
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*
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* @return One of {@link Geometry.TYPES}
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* @deprecated use {@link #getGeomType()} instead. To be removed in gvSIG 2.1.
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*/
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public int getGeometryType();
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247 | 262 |
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/** |
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* Return the default value coerced to the data type of attribute. |
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* Return null if can't coerce. |
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* |
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* @return default value or null. |
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*/ |
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public Object getDefaultValueCoerced(); |
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/** |
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* If this attribute is a {@link Geometry}, this method returns the specific |
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* geometry subtype, as defined in {@link Geometry.SUBTYPES}. |
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* |
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* @return One of {@link Geometry.SUBTYPES} |
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* @deprecated use {@link #getGeomType()} instead. To be removed in gvSIG 2.1. |
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*/ |
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public int getGeometrySubType(); |
|
255 | 271 |
|
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/** |
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* Returns this attribute relative position within the {@link Feature}. |
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* |
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* @return |
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* an index |
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*/ |
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public int getIndex(); |
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/** |
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* Returns the {@link GeometryType} of the attribute if it is a geometry. |
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* |
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* @return the geometry type |
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*/ |
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public GeometryType getGeomType(); |
|
263 | 278 |
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/**
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* Returns additional information of the attribute
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*
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* @return info
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*
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*/
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public Object getAdditionalInfo(String infoName);
|
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/**
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* If this attribute is of type Date, then this method returns the date format
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* set by the data store.
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*
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* @return a date format
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*/
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public DateFormat getDateFormat();
|
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271 | 286 |
|
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/** |
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* Returns if value is created automatically by the source |
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*/ |
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public boolean isAutomatic(); |
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/** |
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* Return the default value coerced to the data type of attribute. Return null |
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* if can't coerce. |
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* |
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* @return default value or null. |
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*/ |
|
293 |
public Object getDefaultValueCoerced(); |
|
276 | 294 |
|
277 |
/**
|
|
278 |
* Gets if the attribute is a temporal attribute.
|
|
279 |
* @return
|
|
280 |
* <code>true</code> if is a temporal attribute
|
|
281 |
*/
|
|
282 |
public boolean isTime();
|
|
295 |
/**
|
|
296 |
* Returns this attribute relative position within the {@link Feature}.
|
|
297 |
*
|
|
298 |
* @return an index
|
|
299 |
*/
|
|
300 |
public int getIndex();
|
|
283 | 301 |
|
284 |
public Interval getInterval(); |
|
285 |
|
|
286 |
/** |
|
287 |
* Return true if the attribute has and index in the table. |
|
288 |
* |
|
289 |
* @return true if indexed. |
|
290 |
*/ |
|
291 |
public boolean isIndexed(); |
|
292 |
public boolean allowIndexDuplicateds(); |
|
293 |
public boolean isIndexAscending(); |
|
294 |
|
|
295 |
public boolean isForeingKey(); |
|
296 |
|
|
297 |
public ForeingKey getForeingKey(); |
|
298 |
/** |
|
299 |
* Gets if the attribute has a {@link FeatureAttributeGetter}. |
|
300 |
* @return |
|
301 |
* a FeatureAttributeGetter or null. |
|
302 |
* @deprecated use getFeatureAttributeGetterAndSetter |
|
303 |
*/ |
|
304 |
public FeatureAttributeGetter getFeatureAttributeGetter(); |
|
305 |
|
|
306 |
/** |
|
307 |
* Sets the {@link FeatureAttributeGetter} that is used to update the |
|
308 |
* presentation of a field. |
|
309 |
* @param featureAttributeGetter |
|
310 |
* the {@link FeatureAttributeGetter} to set. |
|
311 |
* @deprecated use setFeatureAttributeGetterAndSetter |
|
312 |
*/ |
|
313 |
public void setFeatureAttributeGetter(FeatureAttributeGetter featureAttributeGetter); |
|
302 |
/** |
|
303 |
* Returns additional information of the attribute |
|
304 |
* |
|
305 |
* @return info |
|
306 |
* |
|
307 |
*/ |
|
308 |
public Object getAdditionalInfo(String infoName); |
|
314 | 309 |
|
315 |
/** |
|
316 |
* Gets the attribute emulator associatted {@link FeatureAttributeEmulator} to this attribute. |
|
317 |
* @return |
|
318 |
* a FeatureAttributeEmulator or null. |
|
319 |
*/ |
|
320 |
public FeatureAttributeEmulator getFeatureAttributeEmulator(); |
|
321 |
|
|
322 |
/** |
|
323 |
* Return true if the attribute has an evaluator o an emulator. |
|
324 |
* @return |
|
325 |
*/ |
|
326 |
public boolean isComputed(); |
|
327 |
|
|
328 |
/** |
|
329 |
* Return the store associated to this attribute descriptor. |
|
330 |
* |
|
331 |
* @return the FeatureStore of the attribute descriptor. |
|
332 |
*/ |
|
333 |
public FeatureStore getStore(); |
|
334 |
|
|
335 |
public FeatureType getFeatureType(); |
|
336 |
|
|
337 |
public String[] getRequiredFieldNames(); |
|
338 |
|
|
339 |
public void recentUsed(); |
|
340 |
|
|
341 |
@Override |
|
342 |
public String getLocalizedShortLabel(); |
|
310 |
/** |
|
311 |
* Returns if value is created automatically by the source |
|
312 |
*/ |
|
313 |
public boolean isAutomatic(); |
|
343 | 314 |
|
344 |
@Override |
|
345 |
public String getLocalizedLabel(); |
|
315 |
/** |
|
316 |
* Gets if the attribute is a temporal attribute. |
|
317 |
* |
|
318 |
* @return <code>true</code> if is a temporal attribute |
|
319 |
*/ |
|
320 |
public boolean isTime(); |
|
346 | 321 |
|
347 |
public String getLabelOfValue(Object value); |
|
348 |
|
|
349 |
public boolean hasOnlyMetadataChanges(FeatureAttributeDescriptor other); |
|
350 |
|
|
351 |
public boolean hasLabel(); |
|
352 |
|
|
353 |
public boolean hasShortLabel(); |
|
354 |
|
|
355 |
public boolean hasDescription(); |
|
356 |
|
|
322 |
public Interval getInterval(); |
|
323 |
|
|
324 |
/** |
|
325 |
* Return true if the attribute has and index in the table. |
|
326 |
* |
|
327 |
* @return true if indexed. |
|
328 |
*/ |
|
329 |
public boolean isIndexed(); |
|
330 |
|
|
331 |
public boolean allowIndexDuplicateds(); |
|
332 |
|
|
333 |
public boolean isIndexAscending(); |
|
334 |
|
|
335 |
public boolean isForeingKey(); |
|
336 |
|
|
337 |
public ForeingKey getForeingKey(); |
|
338 |
|
|
339 |
/** |
|
340 |
* Gets if the attribute has a {@link FeatureAttributeGetter}. |
|
341 |
* |
|
342 |
* @return a FeatureAttributeGetter or null. |
|
343 |
* @deprecated use getFeatureAttributeGetterAndSetter |
|
344 |
*/ |
|
345 |
public FeatureAttributeGetter getFeatureAttributeGetter(); |
|
346 |
|
|
347 |
/** |
|
348 |
* Sets the {@link FeatureAttributeGetter} that is used to update the |
|
349 |
* presentation of a field. |
|
350 |
* |
|
351 |
* @param featureAttributeGetter the {@link FeatureAttributeGetter} to set. |
|
352 |
* @deprecated use setFeatureAttributeGetterAndSetter |
|
353 |
*/ |
|
354 |
public void setFeatureAttributeGetter(FeatureAttributeGetter featureAttributeGetter); |
|
355 |
|
|
356 |
/** |
|
357 |
* Gets the attribute emulator associatted {@link FeatureAttributeEmulator} to |
|
358 |
* this attribute. |
|
359 |
* |
|
360 |
* @return a FeatureAttributeEmulator or null. |
|
361 |
*/ |
|
362 |
public FeatureAttributeEmulator getFeatureAttributeEmulator(); |
|
363 |
|
|
364 |
/** |
|
365 |
* Return true if the attribute has an evaluator o an emulator. |
|
366 |
* |
|
367 |
* @return |
|
368 |
*/ |
|
369 |
public boolean isComputed(); |
|
370 |
|
|
371 |
/** |
|
372 |
* Return the store associated to this attribute descriptor. |
|
373 |
* |
|
374 |
* @return the FeatureStore of the attribute descriptor. |
|
375 |
*/ |
|
376 |
public FeatureStore getStore(); |
|
377 |
|
|
378 |
public FeatureType getFeatureType(); |
|
379 |
|
|
380 |
public String[] getRequiredFieldNames(); |
|
381 |
|
|
382 |
public void recentUsed(); |
|
383 |
|
|
384 |
@Override |
|
385 |
public String getLocalizedShortLabel(); |
|
386 |
|
|
387 |
@Override |
|
388 |
public String getLocalizedLabel(); |
|
389 |
|
|
390 |
public String getLabelOfValue(Object value); |
|
391 |
|
|
392 |
public boolean hasOnlyMetadataChanges(FeatureAttributeDescriptor other); |
|
393 |
|
|
394 |
public boolean hasLabel(); |
|
395 |
|
|
396 |
public boolean hasShortLabel(); |
|
397 |
|
|
398 |
public boolean hasDescription(); |
|
399 |
|
|
400 |
/** |
|
401 |
* Retrieve the value of the attribute "name". |
|
402 |
* |
|
403 |
* @param name |
|
404 |
* @return |
|
405 |
*/ |
|
406 |
public Object get(String name); |
|
407 |
|
|
357 | 408 |
} |
Also available in: Unified diff