svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / featurereference / FeatureReferenceOID.java @ 46309
History | View | Annotate | Download (4.53 KB)
1 | 45647 | fdiaz | /*
|
---|---|---|---|
2 | * To change this license header, choose License Headers in Project Properties.
|
||
3 | * To change this template file, choose Tools | Templates
|
||
4 | * and open the template in the editor.
|
||
5 | */
|
||
6 | package org.gvsig.fmap.dal.feature.impl.featurereference; |
||
7 | |||
8 | import java.lang.ref.WeakReference; |
||
9 | import java.util.Base64; |
||
10 | 45688 | fdiaz | import java.util.Objects; |
11 | import javax.json.JsonObject; |
||
12 | 45938 | fdiaz | import org.apache.commons.lang3.math.NumberUtils; |
13 | 45647 | fdiaz | import org.gvsig.fmap.dal.exception.DataException; |
14 | import org.gvsig.fmap.dal.feature.Feature; |
||
15 | import org.gvsig.fmap.dal.feature.FeatureStore; |
||
16 | import org.gvsig.fmap.dal.feature.FeatureType; |
||
17 | import org.gvsig.fmap.dal.feature.impl.DefaultFeatureStore; |
||
18 | import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
||
19 | 45688 | fdiaz | import org.gvsig.json.Json; |
20 | import org.gvsig.json.JsonObjectBuilder; |
||
21 | 45647 | fdiaz | import org.gvsig.tools.persistence.Persistent; |
22 | import org.gvsig.tools.persistence.PersistentState; |
||
23 | import org.gvsig.tools.persistence.exception.PersistenceException; |
||
24 | |||
25 | /**
|
||
26 | *
|
||
27 | * @author fdiaz
|
||
28 | */
|
||
29 | 45688 | fdiaz | |
30 | 45647 | fdiaz | public class FeatureReferenceOID implements FeatureReferenceProviderServices, Persistent { |
31 | |||
32 | 45688 | fdiaz | public static final String OID_TYPE = "oid"; |
33 | |||
34 | 45647 | fdiaz | private Object oid; |
35 | private WeakReference storeRef; |
||
36 | private String featureTypeId; |
||
37 | |||
38 | /*friend*/
|
||
39 | FeatureReferenceOID(FeatureStore store, Object oid) {
|
||
40 | this.oid = oid;
|
||
41 | this.storeRef = new WeakReference(store); |
||
42 | this.featureTypeId = store.getDefaultFeatureTypeQuietly().getId();
|
||
43 | } |
||
44 | |||
45 | 45688 | fdiaz | /*friend*/
|
46 | FeatureReferenceOID(FeatureStore store, JsonObject code) { |
||
47 | 45898 | fdiaz | this(store, Json.toObject(code, "oid")); |
48 | 45688 | fdiaz | } |
49 | |||
50 | public FeatureReferenceOID() {
|
||
51 | //For persistence use only
|
||
52 | } |
||
53 | |||
54 | 45647 | fdiaz | @Override
|
55 | public Object getOID() { |
||
56 | return this.oid; |
||
57 | } |
||
58 | |||
59 | @Override
|
||
60 | public String[] getKeyNames() { |
||
61 | return null; |
||
62 | } |
||
63 | |||
64 | @Override
|
||
65 | public Object getKeyValue(String name) { |
||
66 | return null; |
||
67 | } |
||
68 | |||
69 | @Override
|
||
70 | public String getFeatureTypeId() { |
||
71 | return featureTypeId;
|
||
72 | } |
||
73 | |||
74 | @Override
|
||
75 | public Feature getFeature() throws DataException { |
||
76 | return this.getStore().getFeatureByReference(this); |
||
77 | } |
||
78 | |||
79 | @Override
|
||
80 | public Feature getFeatureQuietly() {
|
||
81 | try {
|
||
82 | return this.getFeature(); |
||
83 | } catch (Exception e) { |
||
84 | return null; |
||
85 | } |
||
86 | } |
||
87 | |||
88 | @Override
|
||
89 | public Feature getFeature(FeatureType featureType) throws DataException { |
||
90 | return this.getStore().getFeatureByReference(this, featureType); |
||
91 | } |
||
92 | |||
93 | private DefaultFeatureStore getStore() {
|
||
94 | return (DefaultFeatureStore) this.storeRef.get(); |
||
95 | } |
||
96 | |||
97 | @Override
|
||
98 | public boolean isNewFeature() { |
||
99 | return false; |
||
100 | } |
||
101 | |||
102 | @Override
|
||
103 | public String getCode() { |
||
104 | 45688 | fdiaz | JsonObjectBuilder builder = Json.createObjectBuilder(); |
105 | builder.add("type", OID_TYPE);
|
||
106 | builder.add("oid", this.oid); |
||
107 | String s = builder.toString();
|
||
108 | 45647 | fdiaz | String r = Base64.getEncoder().encodeToString(s.getBytes());
|
109 | return r;
|
||
110 | } |
||
111 | |||
112 | @Override
|
||
113 | public void saveToState(PersistentState state) throws PersistenceException { |
||
114 | 45688 | fdiaz | state.set("type", OID_TYPE);
|
115 | 45647 | fdiaz | state.set("oid", oid);
|
116 | state.set("store", (Persistent) storeRef.get());
|
||
117 | state.set("featureTypeId", featureTypeId);
|
||
118 | 45738 | fdiaz | state.set("isNewFeature", isNewFeature());
|
119 | 45647 | fdiaz | } |
120 | |||
121 | @Override
|
||
122 | public void loadFromState(PersistentState state) |
||
123 | throws PersistenceException {
|
||
124 | this.oid = state.get("oid"); |
||
125 | this.storeRef = new WeakReference(state.get("store")); |
||
126 | this.featureTypeId = state.getString("featureTypeId"); |
||
127 | } |
||
128 | |||
129 | 45688 | fdiaz | @Override
|
130 | public boolean equals(Object obj) { |
||
131 | if (!(obj instanceof FeatureReferenceOID)) { |
||
132 | return false; |
||
133 | } |
||
134 | FeatureReferenceOID other = (FeatureReferenceOID) obj; |
||
135 | |||
136 | FeatureStore otherStore = (FeatureStore) other.storeRef.get(); |
||
137 | FeatureStore myrStore = (FeatureStore) this.storeRef.get();
|
||
138 | if (otherStore == null || myrStore == null) { |
||
139 | return false; |
||
140 | } |
||
141 | if (!myrStore.equals(otherStore)) {
|
||
142 | return false; |
||
143 | } |
||
144 | if (this.oid == other.oid){ |
||
145 | return true; |
||
146 | } |
||
147 | if (this.oid != null) { |
||
148 | 45938 | fdiaz | if(this.oid instanceof Number && other.oid instanceof Number){ |
149 | return ((Number)this.oid).longValue() == ((Number)other.oid).longValue(); |
||
150 | } |
||
151 | 45688 | fdiaz | return this.oid.equals(other.oid); |
152 | } |
||
153 | return false; |
||
154 | } |
||
155 | |||
156 | @Override
|
||
157 | public int hashCode() { |
||
158 | if (this.oid != null) { |
||
159 | return this.oid.hashCode(); |
||
160 | } |
||
161 | return -1; |
||
162 | } |
||
163 | |||
164 | |||
165 | 45647 | fdiaz | } |