svn-gvsig-desktop / tags / v1_1_Build_1015 / libraries / libGDBMS / src / main / java / com / hardcode / gdbms / engine / values / NumericValue.java @ 13679
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package com.hardcode.gdbms.engine.values; |
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import java.io.Serializable; |
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import com.hardcode.gdbms.engine.instruction.IncompatibleTypesException; |
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/**
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* DOCUMENT ME!
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*
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* @author Fernando Gonz?lez Cort?s
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*/
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public abstract class NumericValue extends AbstractValue implements Serializable { |
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public abstract byte byteValue(); |
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public abstract short shortValue(); |
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public abstract int intValue(); |
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public abstract long longValue(); |
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public abstract float floatValue(); |
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public abstract double doubleValue(); |
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public abstract int getType(); |
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/**
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* DOCUMENT ME!
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*
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* @param value DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws IncompatibleTypesException DOCUMENT ME!
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*/
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public Value producto(Value value) throws IncompatibleTypesException { |
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if (!(value instanceof NumericValue)) { |
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throw new IncompatibleTypesException(); |
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} |
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return ValueFactory.producto(this, (NumericValue) value); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param value DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws IncompatibleTypesException DOCUMENT ME!
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*/
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public Value suma(Value value) throws IncompatibleTypesException { |
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if (!(value instanceof NumericValue)) { |
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throw new IncompatibleTypesException(); |
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} |
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return ValueFactory.suma(this, (NumericValue) value); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws IncompatibleTypesException DOCUMENT ME!
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*/
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public Value inversa() throws IncompatibleTypesException { |
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return ValueFactory.inversa(this); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param value DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws IncompatibleTypesException DOCUMENT ME!
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*/
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public Value equals(Value value) throws IncompatibleTypesException { |
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if (value instanceof NullValue) { |
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return ValueFactory.createValue(false); |
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} |
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if (!(value instanceof NumericValue)) { |
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throw new IncompatibleTypesException(); |
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} |
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return ValueFactory.createValue(this.doubleValue() == ((NumericValue) value).doubleValue()); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param value DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws IncompatibleTypesException DOCUMENT ME!
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*/
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public Value greater(Value value) throws IncompatibleTypesException { |
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if (value instanceof NullValue) { |
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return ValueFactory.createValue(false); |
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} |
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if (!(value instanceof NumericValue)) { |
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throw new IncompatibleTypesException(); |
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} |
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return ValueFactory.createValue(this.doubleValue() > ((NumericValue) value).doubleValue()); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param value DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws IncompatibleTypesException DOCUMENT ME!
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*/
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public Value greaterEqual(Value value) throws IncompatibleTypesException { |
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if (value instanceof NullValue) { |
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return ValueFactory.createValue(false); |
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} |
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if (!(value instanceof NumericValue)) { |
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throw new IncompatibleTypesException(); |
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} |
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return ValueFactory.createValue(this.doubleValue() >= ((NumericValue) value).doubleValue()); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param value DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws IncompatibleTypesException DOCUMENT ME!
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*/
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public Value less(Value value) throws IncompatibleTypesException { |
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if (value instanceof NullValue) { |
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return ValueFactory.createValue(false); |
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} |
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if (!(value instanceof NumericValue)) { |
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throw new IncompatibleTypesException(); |
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} |
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return ValueFactory.createValue(this.doubleValue() < ((NumericValue) value).doubleValue()); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param value DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws IncompatibleTypesException DOCUMENT ME!
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*/
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public Value lessEqual(Value value) throws IncompatibleTypesException { |
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if (value instanceof NullValue) { |
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return ValueFactory.createValue(false); |
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} |
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if (!(value instanceof NumericValue)) { |
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throw new IncompatibleTypesException(); |
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} |
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return ValueFactory.createValue(this.doubleValue() <= ((NumericValue) value).doubleValue()); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param value DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws IncompatibleTypesException DOCUMENT ME!
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*/
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public Value notEquals(Value value) throws IncompatibleTypesException { |
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if (value instanceof NullValue) { |
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return ValueFactory.createValue(false); |
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} |
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if (!(value instanceof NumericValue)) { |
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throw new IncompatibleTypesException(); |
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} |
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return ValueFactory.createValue(this.doubleValue() != ((NumericValue) value).doubleValue()); |
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} |
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/**
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* @see com.hardcode.gdbms.engine.values.Value#doHashCode()
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*/
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public int doHashCode() { |
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return intValue();
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} |
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} |