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1
16
17 package org.springframework.beans.factory.support;
18
19 import java.util.Collection  ;
20 import java.util.Iterator ;
21 import java.util.Set ;
22
23 import org.springframework.beans.BeanMetadataElement;
24 import org.springframework.beans.Mergeable;
25 import org.springframework.core.CollectionFactory;
26
27
39 public class ManagedSet implements Set , Mergeable, BeanMetadataElement {
40
41 private final Set targetSet;
42
43 private Object source;
44
45 private boolean mergeEnabled;
46
47
48 public ManagedSet() {
49 this(16);
50 }
51
52 public ManagedSet(int initialCapacity) {
53 this.targetSet = CollectionFactory.createLinkedSetIfPossible(initialCapacity);
54 }
55
56 public ManagedSet(Set targetSet) {
57 this.targetSet = targetSet;
58 }
59
60
61
65 public void setSource(Object source) {
66 this.source = source;
67 }
68
69 public Object getSource() {
70 return this.source;
71 }
72
73
77 public void setMergeEnabled(boolean mergeEnabled) {
78 this.mergeEnabled = mergeEnabled;
79 }
80
81 public boolean isMergeEnabled() {
82 return this.mergeEnabled;
83 }
84
85 public Object merge(Object parent) {
86 if (!this.mergeEnabled) {
87 throw new IllegalStateException ("Not allowed to merge when the 'mergeEnabled' property is set to 'false'");
88 }
89 if (parent == null) {
90 return this;
91 }
92 if (!(parent instanceof Set )) {
93 throw new IllegalArgumentException ("Cannot merge with object of type [" + parent.getClass() + "]");
94 }
95 Set merged = new ManagedSet();
96 merged.addAll((Set ) parent);
97 merged.addAll(this);
98 return merged;
99 }
100
101
102 public int size() {
103 return this.targetSet.size();
104 }
105
106 public boolean isEmpty() {
107 return this.targetSet.isEmpty();
108 }
109
110 public boolean contains(Object obj) {
111 return this.targetSet.contains(obj);
112 }
113
114 public Iterator iterator() {
115 return this.targetSet.iterator();
116 }
117
118 public Object [] toArray() {
119 return this.targetSet.toArray();
120 }
121
122 public Object [] toArray(Object [] arr) {
123 return this.targetSet.toArray(arr);
124 }
125
126 public boolean add(Object obj) {
127 return this.targetSet.add(obj);
128 }
129
130 public boolean remove(Object obj) {
131 return this.targetSet.remove(obj);
132 }
133
134 public boolean containsAll(Collection coll) {
135 return this.targetSet.containsAll(coll);
136 }
137
138 public boolean addAll(Collection coll) {
139 return this.targetSet.addAll(coll);
140 }
141
142 public boolean retainAll(Collection coll) {
143 return this.targetSet.retainAll(coll);
144 }
145
146 public boolean removeAll(Collection coll) {
147 return this.targetSet.removeAll(coll);
148 }
149
150 public void clear() {
151 this.targetSet.clear();
152 }
153
154 public int hashCode() {
155 return this.targetSet.hashCode();
156 }
157
158 public boolean equals(Object obj) {
159 return this.targetSet.equals(obj);
160 }
161
162 public String toString() {
163 return this.targetSet.toString();
164 }
165
166 }
167 |
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