Revision 43020 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/FeatureQueryOrder.java
| FeatureQueryOrder.java | ||
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* |
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* Copyright (C) 2007-2013 gvSIG Association. |
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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 3
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* of the License, or (at your option) any later version.
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* This program is free software; you can redistribute it and/or modify it under
|
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* the terms of the GNU General Public License as published by the Free Software
|
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* Foundation; either version 3 of the License, or (at your option) any later
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* 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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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* 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., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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* You should have received a copy of the GNU General Public License along with |
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* this program; if not, write to the Free Software Foundation, Inc., 51 |
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* |
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* For any additional information, do not hesitate to contact us |
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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* For any additional information, do not hesitate to contact us at info AT
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* gvsig.com, or visit our website www.gvsig.com. |
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*/ |
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package org.gvsig.fmap.dal.feature; |
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|
| ... | ... | |
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import java.util.Comparator; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.NoSuchElementException; |
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import org.gvsig.fmap.dal.exception.DataEvaluatorRuntimeException; |
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import org.gvsig.tools.evaluator.Evaluator; |
| ... | ... | |
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import org.gvsig.tools.persistence.PersistentState; |
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import org.gvsig.tools.persistence.exception.PersistenceException; |
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public class FeatureQueryOrder implements Persistent, Cloneable {
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public class FeatureQueryOrder implements Persistent, Cloneable, Iterable<FeatureQueryOrderMember> {
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private List members = new ArrayList();
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private List members = new ArrayList();
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public class FeatureQueryOrderMember implements Persistent, Cloneable {
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String attributeName = null; |
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Evaluator evaluator = null; |
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boolean ascending; |
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|
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FeatureQueryOrderMember(String attributeName, boolean ascending) {
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this.attributeName = attributeName; |
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this.ascending = ascending; |
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} |
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FeatureQueryOrderMember(Evaluator evaluator, boolean ascending) {
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this.evaluator = evaluator; |
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this.ascending = ascending; |
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} |
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public boolean hasEvaluator() {
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return this.evaluator != null; |
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} |
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public Evaluator getEvaluator() {
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return this.evaluator; |
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} |
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public boolean getAscending() {
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return this.ascending; |
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} |
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public String getAttributeName() {
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return this.attributeName; |
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} |
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public void loadFromState(PersistentState state) |
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throws PersistenceException {
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this.attributeName = state.getString("attributeName");
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this.ascending = state.getBoolean("ascending");
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this.evaluator = (Evaluator) state.get("evaluator");
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} |
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|
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public void saveToState(PersistentState state) |
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throws PersistenceException {
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state.set("attributeName", this.attributeName);
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state.set("ascending", this.ascending);
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if (this.evaluator != null) {
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state.set("evaluator", evaluator);
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} |
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} |
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public Object clone() throws CloneNotSupportedException {
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// Nothing more to clone |
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return super.clone(); |
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} |
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} |
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public Object add(String attributeName, boolean ascending) {
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public Object add(String attributeName, boolean ascending) {
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FeatureQueryOrderMember member = new FeatureQueryOrderMember( |
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attributeName, ascending); |
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if( members.add(member) ) {
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return member;
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}
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return null;
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}
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if (members.add(member)) {
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return member;
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}
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return null;
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}
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public Object add(Evaluator evaluator, boolean ascending) {
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FeatureQueryOrderMember member = new FeatureQueryOrderMember(
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evaluator,
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ascending);
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if (members.add(member)) {
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return member;
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}
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return null;
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}
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public Object add(Evaluator evaluator, boolean ascending) {
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FeatureQueryOrderMember member = new FeatureQueryOrderMember(
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evaluator,
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ascending);
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if (members.add(member)) {
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return member;
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}
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return null;
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}
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public Iterator iterator() {
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return members.iterator(); |
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} |
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@Override |
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public Iterator<FeatureQueryOrderMember> iterator() {
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if( members == null ) {
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return new Iterator<FeatureQueryOrderMember>() {
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@Override |
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public boolean hasNext() {
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return false; |
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} |
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public boolean remove(FeatureQueryOrderMember member) {
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return members.remove(member); |
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} |
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@Override |
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public FeatureQueryOrderMember next() {
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throw new NoSuchElementException(); |
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} |
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public void remove(int index) {
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members.remove(index); |
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} |
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@Override |
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public void remove() {
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throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
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} |
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}; |
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} |
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return members.iterator(); |
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} |
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public void clear() {
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members.clear();
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}
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public boolean remove(FeatureQueryOrderMember member) {
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return members.remove(member);
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}
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public int size() {
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return this.members.size();
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}
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public void remove(int index) {
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members.remove(index);
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}
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public Comparator getFeatureComparator() {
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return new DefaultFeatureComparator(this);
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}
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public void clear() {
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members.clear();
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}
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public Object clone() throws CloneNotSupportedException {
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FeatureQueryOrder clone = (FeatureQueryOrder) super.clone(); |
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public int size() {
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return this.members.size(); |
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} |
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if (members != null) {
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clone.members = new ArrayList(members.size()); |
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for (int i = 0; i < members.size(); i++) {
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clone.members.add(((Cloneable) members.get(i)).clone()); |
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} |
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} |
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public Comparator getFeatureComparator() {
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return new DefaultFeatureComparator(this); |
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} |
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return clone;
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}
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public Object clone() throws CloneNotSupportedException {
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FeatureQueryOrder clone = (FeatureQueryOrder) super.clone();
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public FeatureQueryOrder getCopy() {
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FeatureQueryOrder aCopy = new FeatureQueryOrder(); |
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Iterator iter = this.members.iterator(); |
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FeatureQueryOrderMember member; |
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while (iter.hasNext()) {
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member = (FeatureQueryOrderMember) iter.next(); |
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if (member.hasEvaluator()) {
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aCopy.add(member.getEvaluator(), member.getAscending()); |
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} else {
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aCopy.add(member.getAttributeName(), member.getAscending()); |
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} |
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} |
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return aCopy; |
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} |
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if (members != null) {
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clone.members = new ArrayList(members.size()); |
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for (int i = 0; i < members.size(); i++) {
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clone.members.add(((Cloneable) members.get(i)).clone()); |
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} |
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} |
|
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public void loadFromState(PersistentState state) |
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throws PersistenceException {
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this.members = (List) state.get("menbers");
|
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} |
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return clone; |
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} |
|
| 167 | 118 |
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public void saveToState(PersistentState state) throws PersistenceException {
|
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state.set("menbers", members);
|
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} |
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|
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private class DefaultFeatureComparator implements Comparator {
|
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public FeatureQueryOrder getCopy() {
|
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FeatureQueryOrder aCopy = new FeatureQueryOrder(); |
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Iterator iter = this.members.iterator(); |
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FeatureQueryOrderMember member; |
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while (iter.hasNext()) {
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member = (FeatureQueryOrderMember) iter.next(); |
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if (member.hasEvaluator()) {
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aCopy.add(member.getEvaluator(), member.getAscending()); |
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} else {
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aCopy.add(member.getAttributeName(), member.getAscending()); |
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} |
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} |
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return aCopy; |
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} |
|
| 173 | 133 |
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private FeatureQueryOrder order; |
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public void loadFromState(PersistentState state) |
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throws PersistenceException {
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this.members = (List) state.get("menbers");
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} |
|
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public void saveToState(PersistentState state) throws PersistenceException {
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state.set("menbers", members);
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} |
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public DefaultFeatureComparator(FeatureQueryOrder order) {
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this.order = order; |
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// TODO optimizar en un array??? |
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private class DefaultFeatureComparator implements Comparator {
|
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| 180 | 144 |
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}
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private FeatureQueryOrder order;
|
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| 182 | 146 |
|
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public DefaultFeatureComparator(FeatureQueryOrder order) {
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this.order = order; |
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// TODO optimizar en un array??? |
|
| 183 | 150 |
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private int myCompare(Object arg0, Object arg1) {
|
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if (arg0 == null){
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if (arg1 == null){
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return 0; |
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} else{
|
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| 189 |
return 1; |
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} |
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} else if (arg1 == null){
|
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if (arg0 == null) {
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return 0; |
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} else {
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return 1; |
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} |
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} |
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if (arg0 instanceof Comparable) {
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return ((Comparable) arg0).compareTo(arg1); |
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} else if (arg1 instanceof Comparable) {
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return ((Comparable) arg1).compareTo(arg0) * -1; |
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} |
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} |
|
| 203 | 152 |
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if (arg0.equals(arg1)){
|
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return 0; |
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} else{
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return -1; |
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} |
|
| 153 |
private int myCompare(Object arg0, Object arg1) {
|
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| 154 |
if (arg0 == null) {
|
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| 155 |
if (arg1 == null) {
|
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return 0; |
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} else {
|
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| 158 |
return 1; |
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} |
|
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} else if (arg1 == null) {
|
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| 161 |
if (arg0 == null) {
|
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| 162 |
return 0; |
|
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} else {
|
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| 164 |
return 1; |
|
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} |
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} |
|
| 167 |
if (arg0 instanceof Comparable) {
|
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| 168 |
return ((Comparable) arg0).compareTo(arg1); |
|
| 169 |
} else if (arg1 instanceof Comparable) {
|
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| 170 |
return ((Comparable) arg1).compareTo(arg0) * -1; |
|
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} |
|
| 209 | 172 |
|
| 210 |
} |
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| 173 |
if (arg0.equals(arg1)) {
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return 0; |
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} else {
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| 176 |
return -1; |
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} |
|
| 211 | 178 |
|
| 212 |
public int compare(Object arg0, Object arg1) {
|
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| 213 |
Iterator iter = this.order.iterator(); |
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int returnValue = 0; |
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Feature f0 = (Feature) arg0; |
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Feature f1 = (Feature) arg1; |
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Object item; |
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String attrName; |
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Evaluator evaluator; |
|
| 220 |
while (returnValue == 0 && iter.hasNext()) {
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| 221 |
item = iter.next(); |
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| 222 |
if (item instanceof String) {
|
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| 223 |
attrName = (String) item; |
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returnValue = this |
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| 225 |
.myCompare(f0.get(attrName), f1 |
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.get(attrName)); |
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} else {
|
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| 228 |
evaluator = (Evaluator) item; |
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try {
|
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| 230 |
returnValue = this.myCompare(evaluator |
|
| 231 |
.evaluate((EvaluatorData) f0), evaluator |
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.evaluate((EvaluatorData) f1)); |
|
| 233 |
} catch (EvaluatorException e) {
|
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| 234 |
throw new DataEvaluatorRuntimeException(e); |
|
| 235 |
} |
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| 236 |
} |
|
| 237 |
} |
|
| 179 |
} |
|
| 238 | 180 |
|
| 239 |
return returnValue; |
|
| 240 |
} |
|
| 181 |
public int compare(Object arg0, Object arg1) {
|
|
| 182 |
Iterator iter = this.order.iterator(); |
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| 183 |
int returnValue = 0; |
|
| 184 |
Feature f0 = (Feature) arg0; |
|
| 185 |
Feature f1 = (Feature) arg1; |
|
| 186 |
Object item; |
|
| 187 |
String attrName; |
|
| 188 |
Evaluator evaluator; |
|
| 189 |
while (returnValue == 0 && iter.hasNext()) {
|
|
| 190 |
item = iter.next(); |
|
| 191 |
if (item instanceof String) {
|
|
| 192 |
attrName = (String) item; |
|
| 193 |
returnValue = this |
|
| 194 |
.myCompare(f0.get(attrName), f1 |
|
| 195 |
.get(attrName)); |
|
| 196 |
} else {
|
|
| 197 |
evaluator = (Evaluator) item; |
|
| 198 |
try {
|
|
| 199 |
returnValue = this.myCompare(evaluator |
|
| 200 |
.evaluate((EvaluatorData) f0), evaluator |
|
| 201 |
.evaluate((EvaluatorData) f1)); |
|
| 202 |
} catch (EvaluatorException e) {
|
|
| 203 |
throw new DataEvaluatorRuntimeException(e); |
|
| 204 |
} |
|
| 205 |
} |
|
| 206 |
} |
|
| 241 | 207 |
|
| 242 |
} |
|
| 208 |
return returnValue; |
|
| 209 |
} |
|
| 243 | 210 |
|
| 244 |
} |
|
| 211 |
} |
|
| 212 |
|
|
| 213 |
} |
|
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