root / branches / v2_0_0_prep / libraries / libFMap_dal / src / org / gvsig / fmap / dal / feature / FeatureQueryOrder.java @ 38608
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| 1 | 24496 | jmvivo | package org.gvsig.fmap.dal.feature; |
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| 2 | 23754 | jjdelcerro | |
| 3 | import java.util.ArrayList; |
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| 4 | 23820 | jjdelcerro | import java.util.Comparator; |
| 5 | 23754 | jjdelcerro | import java.util.Iterator; |
| 6 | 23785 | cordinyana | import java.util.List; |
| 7 | 23754 | jjdelcerro | |
| 8 | 24496 | jmvivo | import org.gvsig.fmap.dal.feature.impl.DefaultFeatureComparator; |
| 9 | 23754 | jjdelcerro | import org.gvsig.tools.evaluator.Evaluator; |
| 10 | 31126 | cordinyana | import org.gvsig.tools.lang.Cloneable; |
| 11 | 29520 | jmvivo | import org.gvsig.tools.persistence.Persistent; |
| 12 | import org.gvsig.tools.persistence.PersistentState; |
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| 13 | 32880 | jjdelcerro | import org.gvsig.tools.persistence.exception.PersistenceException; |
| 14 | 23754 | jjdelcerro | |
| 15 | 31126 | cordinyana | public class FeatureQueryOrder implements Persistent, Cloneable { |
| 16 | 23754 | jjdelcerro | |
| 17 | 23785 | cordinyana | private List members = new ArrayList(); |
| 18 | 23754 | jjdelcerro | |
| 19 | 31126 | cordinyana | public class FeatureQueryOrderMember implements Persistent, Cloneable { |
| 20 | 23754 | jjdelcerro | String attributeName = null; |
| 21 | Evaluator evaluator = null;
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| 22 | 23785 | cordinyana | boolean ascending;
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| 23 | 23754 | jjdelcerro | |
| 24 | 23785 | cordinyana | FeatureQueryOrderMember(String attributeName, boolean ascending) { |
| 25 | 23754 | jjdelcerro | this.attributeName = attributeName;
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| 26 | 23785 | cordinyana | this.ascending = ascending;
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| 27 | 23754 | jjdelcerro | } |
| 28 | 23785 | cordinyana | FeatureQueryOrderMember(Evaluator evaluator, boolean ascending) {
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| 29 | 23754 | jjdelcerro | this.evaluator = evaluator;
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| 30 | 23785 | cordinyana | this.ascending = ascending;
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| 31 | 23754 | jjdelcerro | } |
| 32 | 23820 | jjdelcerro | public boolean hasEvaluator() { |
| 33 | return this.evaluator != null; |
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| 34 | } |
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| 35 | public Evaluator getEvaluator() {
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| 36 | return this.evaluator; |
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| 37 | } |
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| 38 | public boolean getAscending() { |
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| 39 | return this.ascending; |
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| 40 | } |
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| 41 | public String getAttributeName() { |
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| 42 | return this.attributeName; |
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| 43 | } |
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| 44 | 29520 | jmvivo | public void loadFromState(PersistentState state) |
| 45 | throws PersistenceException {
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| 46 | this.attributeName = state.getString("attributeName"); |
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| 47 | this.ascending = state.getBoolean("ascending"); |
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| 48 | this.evaluator = (Evaluator) state.get("evaluator"); |
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| 49 | } |
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| 50 | |||
| 51 | public void saveToState(PersistentState state) |
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| 52 | throws PersistenceException {
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| 53 | state.set("attributeName", this.attributeName); |
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| 54 | state.set("ascending", this.ascending); |
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| 55 | if (this.evaluator != null) { |
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| 56 | 30208 | jmvivo | state.set("evaluator", evaluator);
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| 57 | 29520 | jmvivo | } |
| 58 | |||
| 59 | } |
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| 60 | 31126 | cordinyana | |
| 61 | public Object clone() throws CloneNotSupportedException { |
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| 62 | // Nothing more to clone
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| 63 | return super.clone(); |
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| 64 | } |
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| 65 | 23754 | jjdelcerro | } |
| 66 | |||
| 67 | 23785 | cordinyana | public Object add(String attributeName, boolean ascending) { |
| 68 | FeatureQueryOrderMember member = new FeatureQueryOrderMember(
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| 69 | attributeName, ascending); |
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| 70 | 23754 | jjdelcerro | if( members.add(member) ) {
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| 71 | return member;
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| 72 | } |
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| 73 | return null; |
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| 74 | } |
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| 75 | |||
| 76 | 23785 | cordinyana | public Object add(Evaluator evaluator, boolean ascending) { |
| 77 | 23754 | jjdelcerro | FeatureQueryOrderMember member = new FeatureQueryOrderMember(
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| 78 | evaluator, |
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| 79 | 23785 | cordinyana | ascending); |
| 80 | 23754 | jjdelcerro | if (members.add(member)) {
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| 81 | return member;
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| 82 | } |
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| 83 | return null; |
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| 84 | } |
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| 85 | |||
| 86 | public Iterator iterator() { |
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| 87 | return members.iterator();
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| 88 | } |
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| 89 | |||
| 90 | public boolean remove(FeatureQueryOrderMember member) { |
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| 91 | return members.remove(member);
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| 92 | } |
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| 93 | 23820 | jjdelcerro | |
| 94 | 26321 | jmvivo | public void remove(int index) { |
| 95 | members.remove(index); |
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| 96 | } |
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| 97 | |||
| 98 | public void clear() { |
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| 99 | members.clear(); |
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| 100 | } |
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| 101 | |||
| 102 | 23820 | jjdelcerro | public int size() { |
| 103 | return this.members.size(); |
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| 104 | } |
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| 105 | |||
| 106 | public Comparator getFeatureComparator() { |
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| 107 | return new DefaultFeatureComparator(this); |
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| 108 | } |
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| 109 | 25917 | jmvivo | |
| 110 | 31126 | cordinyana | public Object clone() throws CloneNotSupportedException { |
| 111 | FeatureQueryOrder clone = (FeatureQueryOrder) super.clone();
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| 112 | |||
| 113 | if (members != null) { |
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| 114 | clone.members = new ArrayList(members.size()); |
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| 115 | for (int i = 0; i < members.size(); i++) { |
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| 116 | clone.members.add(((Cloneable) members.get(i)).clone());
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| 117 | } |
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| 118 | } |
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| 119 | |||
| 120 | return clone;
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| 121 | } |
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| 122 | |||
| 123 | 25917 | jmvivo | public FeatureQueryOrder getCopy() {
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| 124 | FeatureQueryOrder aCopy = new FeatureQueryOrder();
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| 125 | Iterator iter = this.members.iterator(); |
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| 126 | FeatureQueryOrderMember member; |
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| 127 | while (iter.hasNext()) {
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| 128 | member = (FeatureQueryOrderMember) iter.next(); |
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| 129 | if (member.hasEvaluator()) {
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| 130 | aCopy.add(member.getEvaluator(), member.getAscending()); |
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| 131 | } else {
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| 132 | aCopy.add(member.getAttributeName(), member.getAscending()); |
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| 133 | } |
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| 134 | } |
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| 135 | return aCopy;
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| 136 | } |
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| 137 | 29520 | jmvivo | |
| 138 | public void loadFromState(PersistentState state) |
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| 139 | throws PersistenceException {
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| 140 | this.members = (List) state.get("menbers"); |
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| 141 | } |
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| 142 | |||
| 143 | public void saveToState(PersistentState state) throws PersistenceException { |
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| 144 | state.set("menbers", members);
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| 145 | } |
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| 146 | 31126 | cordinyana | } |