svn-gvsig-desktop / branches / Mobile_Compatible_Hito_1 / libFMap_data / src / org / gvsig / data / vectorial / AttributeDescriptor.java @ 21830
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.data.vectorial; |
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import java.lang.ref.WeakReference; |
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/**
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* DOCUMENT ME!
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*
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* @author Vicente Caballero Navarro
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*/
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public class AttributeDescriptor implements FeatureAttributeDescriptor { |
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private String name = null; |
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private String type = FeatureAttributeDescriptor.TYPE_STRING; |
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private int size = 0; |
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private int precision = 0; |
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private int minimumOccurrences = 0; |
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private int maximumOccurences = 0; |
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private boolean isPrimaryKey = false; |
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private int ordinal = 0; |
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private Object defaultValue; |
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private int geometryType; |
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private String featureType; |
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private String srs; |
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private boolean allowNull; |
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private ExpressionEvaluator evaluator;
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protected boolean readOnly; |
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protected boolean evaluated; |
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protected String expression; |
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protected boolean editing = false; |
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protected AttributeDescriptor newAttributeDescriptor;
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protected boolean loading = false; |
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private int originalPosition=-1; |
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private boolean isNew=false; |
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private Class objectClass; |
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private WeakReference wfFeatureType=null; |
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protected AttributeDescriptor(FeatureType featureType) {
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this.wfFeatureType = new WeakReference(featureType); |
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this.isNew=false; |
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} |
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protected AttributeDescriptor(FeatureType featureType,boolean asNew) { |
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this.wfFeatureType = new WeakReference(featureType); |
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this.isNew=asNew;
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} |
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protected FeatureType getFeatureType(){
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if (this.wfFeatureType == null){ |
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return null; |
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} |
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return (FeatureType) this.wfFeatureType.get(); |
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} |
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public boolean isFromFeatureType(FeatureType featureType){ |
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FeatureType myFtype= this.getFeatureType();
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if (myFtype == null){ |
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return false; |
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} |
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return myFtype == featureType;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.data.vectorial.FeatureAttributeDescriptor#getName()
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*/
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public String getName() { |
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if (useNewAttributeValue()){
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return this.newAttributeDescriptor.getName(); |
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} |
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return name;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.data.vectorial.FeatureAttributeDescriptor#getDataType()
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*/
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public String getDataType() { |
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if (useNewAttributeValue()){
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return this.newAttributeDescriptor.getDataType(); |
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} |
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return type;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.data.vectorial.FeatureAttributeDescriptor#getSize()
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*/
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public int getSize() { |
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if (useNewAttributeValue()){
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return this.newAttributeDescriptor.getSize(); |
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} |
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return size;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.data.vectorial.FeatureAttributeDescriptor#getPrecision()
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*/
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public int getPrecision() { |
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if (useNewAttributeValue()){
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return this.newAttributeDescriptor.getPrecision(); |
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} |
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return precision;
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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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public Class getObjectClass() { |
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if (useNewAttributeValue()){
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return this.newAttributeDescriptor.getObjectClass(); |
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} |
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return objectClass;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.data.vectorial.FeatureAttributeDescriptor#getMinimumOccurrences()
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*/
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public int getMinimumOccurrences() { |
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if (useNewAttributeValue()){
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return this.newAttributeDescriptor.getMinimumOccurrences(); |
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} |
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return minimumOccurrences;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.data.vectorial.FeatureAttributeDescriptor#getMaximumOccurrences()
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*/
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public int getMaximumOccurrences() { |
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if (useNewAttributeValue()){
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return this.newAttributeDescriptor.getMaximumOccurrences(); |
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} |
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return maximumOccurences;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.data.vectorial.FeatureAttributeDescriptor#isPrimaryKey()
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*/
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public boolean isPrimaryKey() { |
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if (useNewAttributeValue()){
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return this.newAttributeDescriptor.isPrimaryKey(); |
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} |
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return isPrimaryKey;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.data.vectorial.FeatureAttributeDescriptor#ordinal()
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*/
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public int ordinal() { |
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if (useNewAttributeValue()){
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return this.newAttributeDescriptor.ordinal(); |
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} else {
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return ordinal;
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} |
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} |
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public void setPrimaryKey(boolean isPrimaryKey) throws IsNotAttributeSettingException { |
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canSetValue(); |
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if (useNewAttributeValue()){
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this.newAttributeDescriptor.loading();
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this.newAttributeDescriptor.setPrimaryKey(isPrimaryKey);
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this.newAttributeDescriptor.stopLoading();
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} else {
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this.isPrimaryKey = isPrimaryKey;
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} |
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} |
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public void setMaximumOccurences(int maximumOccurences) throws IsNotAttributeSettingException { |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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this.newAttributeDescriptor.setMaximumOccurences(maximumOccurences);
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newAttributeDescriptor.stopLoading(); |
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} else {
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this.maximumOccurences = maximumOccurences;
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} |
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} |
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public void setMinimumOccurrences(int minimumOccurrences) throws IsNotAttributeSettingException { |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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this.newAttributeDescriptor.setMinimumOccurrences(minimumOccurrences);
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newAttributeDescriptor.stopLoading(); |
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} else {
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this.minimumOccurrences = minimumOccurrences;
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} |
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} |
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public void setName(String name) throws IsNotAttributeSettingException { |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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newAttributeDescriptor.setName(name); |
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newAttributeDescriptor.stopLoading(); |
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}else{
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this.name = name;
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} |
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} |
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/**
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* M?todo ?nicamente utilizado desde esta librer?a en el DefaultFeatureType.add();
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* @throws IsNotAttributeSettingException
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*/
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public void setOrdinal(int ordinal){ |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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newAttributeDescriptor.setOrdinal(ordinal); |
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newAttributeDescriptor.stopLoading(); |
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}else{
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this.ordinal = ordinal;
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} |
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} |
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public void setPrecision(int precision) throws IsNotAttributeSettingException { |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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newAttributeDescriptor.setPrecision(precision); |
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newAttributeDescriptor.stopLoading(); |
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}else{
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this.precision = precision;
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} |
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} |
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public void setSize(int size) throws IsNotAttributeSettingException { |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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newAttributeDescriptor.setSize(size); |
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newAttributeDescriptor.stopLoading(); |
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}else{
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this.size = size;
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} |
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} |
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public void setType(String type) throws IsNotAttributeSettingException { |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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newAttributeDescriptor.setType(type); |
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newAttributeDescriptor.stopLoading(); |
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}else{
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this.type = type;
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} |
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} |
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public String getSRS() { |
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if (useNewAttributeValue())
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return newAttributeDescriptor.getSRS();
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else
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return srs;
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} |
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public void setSRS(String srs) throws IsNotAttributeSettingException { |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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newAttributeDescriptor.setSRS(srs); |
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newAttributeDescriptor.stopLoading(); |
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}else{
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this.srs=srs;
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} |
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} |
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public int getGeometryType() { |
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if (useNewAttributeValue())
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return newAttributeDescriptor.getGeometryType();
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else
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return geometryType;
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} |
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public void setGeometryType(int type) throws IsNotAttributeSettingException{ |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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newAttributeDescriptor.setGeometryType(type); |
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newAttributeDescriptor.stopLoading(); |
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}else{
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this.geometryType=type;
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} |
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} |
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public Object getDefaultValue() { |
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if (useNewAttributeValue())
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return newAttributeDescriptor.getDefaultValue();
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else
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return defaultValue;
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} |
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public void setDefaultValue(Object s) throws IsNotAttributeSettingException { |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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newAttributeDescriptor.setDefaultValue(s); |
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newAttributeDescriptor.stopLoading(); |
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}else{
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this.defaultValue=s;
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} |
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} |
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public boolean isAllowNull() { |
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if (useNewAttributeValue())
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return newAttributeDescriptor.isAllowNull();
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else
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return allowNull;
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} |
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public void setAllowNull(boolean allowNull) throws IsNotAttributeSettingException { |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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newAttributeDescriptor.setAllowNull(allowNull); |
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newAttributeDescriptor.stopLoading(); |
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}else{
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this.allowNull = allowNull;
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} |
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} |
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public FeatureAttributeDescriptor cloneAttribute() {
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AttributeDescriptor newFD = (AttributeDescriptor)newAttribute(); |
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newFD.name = this.name;
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newFD.type = this.type;
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newFD.size = this.size;
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newFD.precision = this.precision;
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newFD.minimumOccurrences = this.minimumOccurrences;
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newFD.maximumOccurences = this.maximumOccurences;
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newFD.isPrimaryKey = this.isPrimaryKey;
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newFD.ordinal = this.ordinal;
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newFD.defaultValue = this.defaultValue;
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newFD.geometryType = this.geometryType;
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newFD.featureType = this.featureType;
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newFD.srs = this.srs;
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newFD.allowNull = this.allowNull;
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newFD.evaluator = this.evaluator;
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return newFD;
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} |
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protected FeatureAttributeDescriptor newAttribute(){
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return ((DefaultFeatureType)this.getFeatureType()).createAttributeDescriptor(); |
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} |
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public boolean isValid() { |
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//TODO: Faltan mas comprobaciones
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if (this.isEvaluated()){ |
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if (this.evaluator == null){ |
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return false; |
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} |
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} |
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return true; |
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} |
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public ExpressionEvaluator getEvaluator() {
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if (useNewAttributeValue())
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return newAttributeDescriptor.getEvaluator();
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else
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return evaluator;
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} |
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public void setEvaluator(ExpressionEvaluator evaluator) throws IsNotAttributeSettingException { |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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newAttributeDescriptor.setEvaluator(evaluator); |
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newAttributeDescriptor.stopLoading(); |
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}else{
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this.evaluator = evaluator;
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} |
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} |
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public boolean isReadOnly() { |
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if (useNewAttributeValue())
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return newAttributeDescriptor.isReadOnly();
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else
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return this.readOnly || this.isEvaluated(); |
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} |
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public void setReadOnly(boolean readOnly) throws IsNotAttributeSettingException { |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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newAttributeDescriptor.setReadOnly(readOnly); |
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newAttributeDescriptor.stopLoading(); |
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}else{
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this.readOnly = readOnly;
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} |
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} |
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public String getExpression() { |
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return expression;
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} |
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public void setExpression(String expression) throws IsNotAttributeSettingException { |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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newAttributeDescriptor.setExpression(expression); |
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newAttributeDescriptor.stopLoading(); |
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}else{
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this.expression = expression;
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} |
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} |
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public void loading() { |
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loading=true;
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} |
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public void stopLoading() { |
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loading=false;
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} |
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public void editing() { |
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editing=true;
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newAttributeDescriptor=(AttributeDescriptor) this.cloneAttribute();
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newAttributeDescriptor.setOriginalPosition(ordinal); |
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} |
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public void cancelEditing() { |
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editing=false;
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newAttributeDescriptor=null;
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} |
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public FeatureAttributeDescriptor getNewAttributeDescriptor() {
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return newAttributeDescriptor;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.data.vectorial.FeatureAttributeDescriptor#isEvalued()
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*/
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public boolean isEvaluated() { |
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if (useNewAttributeValue())
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return this.newAttributeDescriptor.isEvaluated(); |
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else
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return this.evaluated; |
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} |
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public void setEvalued(boolean evalued) throws IsNotAttributeSettingException{ |
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canSetValue(); |
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if (useNewAttributeValue()){
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newAttributeDescriptor.loading(); |
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newAttributeDescriptor.setEvalued(evalued); |
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newAttributeDescriptor.stopLoading(); |
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}else{
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this.evaluated = evalued;
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} |
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} |
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protected void stopEditing() { |
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editing=false;
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if (this.isNew){ |
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this.isNew =false; |
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} |
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} |
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protected void canSetValue() throws IsNotAttributeSettingException { |
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if (!editing && !loading){
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throw new IsNotAttributeSettingException("set"); |
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} |
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if (!loading && isReadOnly()){
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//TODO Construir la clase adecuada para esta excepci?n
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throw new IsNotAttributeSettingException(" Read only field: " +getName()); |
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} |
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} |
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protected boolean useNewAttributeValue(){ |
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return this.editing && !this.isNew; |
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} |
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public int originalPosition() { |
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if (originalPosition!=-1){ |
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return originalPosition;
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} |
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return ordinal;
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} |
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private void setOriginalPosition(int i){ |
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originalPosition=i; |
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} |
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/**
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* @return
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*/
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public boolean isNew() { |
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return this.isNew; |
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} |
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} |