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Package: IndirectSet$IndirectSetIterator
IndirectSet$IndirectSetIterator
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| IndirectSet.IndirectSetIterator(IndirectSet, Iterator) |
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| hasNext() |
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| next() |
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| remove() |
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Coverage
1: /**
2: * Copyright (C) 2016 Czech Technical University in Prague
3: *
4: * This program is free software: you can redistribute it and/or modify it under
5: * the terms of the GNU General Public License as published by the Free Software
6: * Foundation, either version 3 of the License, or (at your option) any
7: * later version.
8: *
9: * This program is distributed in the hope that it will be useful, but WITHOUT
10: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11: * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
12: * details. You should have received a copy of the GNU General Public License
13: * along with this program. If not, see <http://www.gnu.org/licenses/>.
14: */
15: package cz.cvut.kbss.jopa.adapters;
16:
17: import java.lang.reflect.Field;
18: import java.util.Collection;
19: import java.util.HashSet;
20: import java.util.Iterator;
21: import java.util.Set;
22:
23: import cz.cvut.kbss.jopa.sessions.UnitOfWorkImpl;
24:
25: public class IndirectSet<E> extends IndirectCollection<Set<E>> implements Set<E> {
26:
27: private Set<E> internalSet;
28:
29: /**
30: * No-arg constructor to allow clone building.
31: */
32: IndirectSet() {
33: super();
34: this.internalSet = new HashSet<>();
35: }
36:
37: public IndirectSet(Object owner, Field f, UnitOfWorkImpl uow, Set<E> referencedSet) {
38: super(owner, f, uow);
39: if (referencedSet == null) {
40: throw new NullPointerException("Null passed in as the referencedSet.");
41: }
42: this.internalSet = referencedSet;
43: }
44:
45: @Override
46: public int size() {
47: return internalSet.size();
48: }
49:
50: @Override
51: public boolean isEmpty() {
52: return internalSet.isEmpty();
53: }
54:
55: @Override
56: public boolean contains(Object o) {
57: return internalSet.contains(o);
58: }
59:
60: @Override
61: public Iterator<E> iterator() {
62: return new IndirectSetIterator<E>(internalSet.iterator());
63: }
64:
65: @Override
66: public Object[] toArray() {
67: return internalSet.toArray();
68: }
69:
70: @Override
71: public <T> T[] toArray(T[] a) {
72: return internalSet.toArray(a);
73: }
74:
75: @Override
76: public boolean add(E e) {
77: boolean res = internalSet.add(e);
78: if (res) {
79: persistChange();
80: }
81: return res;
82: }
83:
84: @Override
85: public boolean remove(Object o) {
86: boolean res = internalSet.remove(o);
87: if (res) {
88: persistChange();
89: }
90: return res;
91: }
92:
93: @Override
94: public boolean containsAll(Collection<?> c) {
95: return internalSet.containsAll(c);
96: }
97: @Override
98:
99: public boolean addAll(Collection<? extends E> c) {
100: boolean res = internalSet.addAll(c);
101: if (res) {
102: persistChange();
103: }
104: return res;
105: }
106:
107: @Override
108: public boolean retainAll(Collection<?> c) {
109: boolean res = internalSet.retainAll(c);
110: if (res) {
111: persistChange();
112: }
113: return res;
114: }
115:
116: @Override
117: public boolean removeAll(Collection<?> c) {
118: boolean res = internalSet.removeAll(c);
119: if (res) {
120: persistChange();
121: }
122: return res;
123: }
124:
125: @Override
126: public void clear() {
127: internalSet.clear();
128: persistChange();
129: }
130:
131: private class IndirectSetIterator<T> implements Iterator<T> {
132:
133: private Iterator<T> iterator;
134:
135: private IndirectSetIterator(Iterator<T> iterator) {
136: this.iterator = iterator;
137: }
138:
139: @Override
140: public boolean hasNext() {
141: return iterator.hasNext();
142: }
143:
144: @Override
145: public T next() {
146: return iterator.next();
147: }
148:
149: @Override
150: public void remove() {
151: iterator.remove();
152: IndirectSet.this.persistChange();
153: }
154: }
155:
156: @Override
157: public Set<E> getReferencedCollection() {
158: return internalSet;
159: }
160:
161: @Override
162: public boolean equals(Object o) {
163: if (o instanceof Set) {
164: if (o instanceof IndirectSet) {
165: return internalSet.equals(((IndirectSet) o).internalSet);
166: }
167: return internalSet.equals(o);
168: }
169: return false;
170: }
171:
172: @Override
173: public int hashCode() {
174: return internalSet.hashCode();
175: }
176:
177: @Override
178: public String toString() {
179: return internalSet.toString();
180: }
181: }