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1
30
31
32 package org.hsqldb.lib;
33
34 import java.util.NoSuchElementException  ;
35
36 import org.hsqldb.store.BaseHashMap;
37
38
43 public class LongKeyIntValueHashMap extends BaseHashMap {
44
45 private Set keySet;
46 private Collection values;
47
48 public LongKeyIntValueHashMap() {
49 this(16, 0.75f);
50 }
51
52 public LongKeyIntValueHashMap(boolean minimize) {
53
54 this(16, 0.75f);
55
56 minimizeOnEmpty = minimize;
57 }
58
59 public LongKeyIntValueHashMap(int initialCapacity)
60 throws IllegalArgumentException {
61 this(initialCapacity, 0.75f);
62 }
63
64 public LongKeyIntValueHashMap(int initialCapacity,
65 float loadFactor)
66 throws IllegalArgumentException {
67 super(initialCapacity, loadFactor, BaseHashMap.longKeyOrValue,
68 BaseHashMap.intKeyOrValue, false);
69 }
70
71 public int get(long key) throws NoSuchElementException {
72
73 int lookup = getLookup(key);
74
75 if (lookup != -1) {
76 return intValueTable[lookup];
77 }
78
79 throw new NoSuchElementException ();
80 }
81
82 public int get(long key, int defaultValue) {
83
84 int lookup = getLookup(key);
85
86 if (lookup != -1) {
87 return intValueTable[lookup];
88 }
89
90 return defaultValue;
91 }
92
93 public boolean get(long key, int[] value) {
94
95 int lookup = getLookup(key);
96
97 if (lookup != -1) {
98 value[0] = intValueTable[lookup];
99
100 return true;
101 }
102
103 return false;
104 }
105
106 public boolean put(long key, int value) {
107
108 int oldSize = size();
109
110 super.addOrRemove(key, value, null, null, false);
111
112 return oldSize != size();
113 }
114
115 public boolean remove(long key) {
116
117 int oldSize = size();
118
119 super.addOrRemove(key, 0, null, null, true);
120
121 return oldSize != size();
122 }
123
124 public Set keySet() {
125
126 if (keySet == null) {
127 keySet = new KeySet();
128 }
129
130 return keySet;
131 }
132
133 public Collection values() {
134
135 if (values == null) {
136 values = new Values();
137 }
138
139 return values;
140 }
141
142 class KeySet implements Set {
143
144 public Iterator iterator() {
145 return LongKeyIntValueHashMap.this.new BaseHashIterator(true);
146 }
147
148 public int size() {
149 return LongKeyIntValueHashMap.this.size();
150 }
151
152 public boolean contains(Object o) {
153 throw new RuntimeException ();
154 }
155
156 public Object get(Object key) {
157 throw new RuntimeException ();
158 }
159
160 public boolean add(Object value) {
161 throw new RuntimeException ();
162 }
163
164 public boolean addAll(Collection c) {
165 throw new RuntimeException ();
166 }
167
168 public boolean remove(Object o) {
169 throw new RuntimeException ();
170 }
171
172 public boolean isEmpty() {
173 return size() == 0;
174 }
175
176 public void clear() {
177 LongKeyIntValueHashMap.this.clear();
178 }
179 }
180
181 class Values implements Collection {
182
183 public Iterator iterator() {
184 return LongKeyIntValueHashMap.this.new BaseHashIterator(false);
185 }
186
187 public int size() {
188 return LongKeyIntValueHashMap.this.size();
189 }
190
191 public boolean contains(Object o) {
192 throw new RuntimeException ();
193 }
194
195 public boolean add(Object value) {
196 throw new RuntimeException ();
197 }
198
199 public boolean addAll(Collection c) {
200 throw new RuntimeException ();
201 }
202
203 public boolean remove(Object o) {
204 throw new RuntimeException ();
205 }
206
207 public boolean isEmpty() {
208 return size() == 0;
209 }
210
211 public void clear() {
212 LongKeyIntValueHashMap.this.clear();
213 }
214 }
215 }
216 |
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