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/* Copyright (c) 2001-2021, The HSQL Development Group
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package org.hsqldb.lib;

import java.util.NoSuchElementException;

import org.hsqldb.lib.Map.Entry;
import org.hsqldb.map.BaseHashMap;

/**
 * A Map of long primitives to int primitives.

* * @author Fred Toussi (fredt@users dot sourceforge.net) * @version 2.6.0 * @since 1.7.2 */ public class LongKeyIntValueHashMap extends BaseHashMap implements Map { private Set keySet; private Collection values; private Set> entries; public LongKeyIntValueHashMap() { this(8); } public LongKeyIntValueHashMap(boolean minimize) { this(8); minimizeOnEmpty = minimize; } public LongKeyIntValueHashMap(int initialCapacity) throws IllegalArgumentException { super(initialCapacity, BaseHashMap.longKeyOrValue, BaseHashMap.intKeyOrValue, false); } public boolean containsKey(Object key) { if (key instanceof Long) { long longKey = ((Long) key).longValue(); return super.containsKey(longKey); } if (key == null) { throw new NullPointerException(); } return false; } public boolean containsKey(long key) { return super.containsKey(key); } public boolean containsValue(Object value) { if (value instanceof Integer) { int intValue = ((Integer) value).intValue(); return super.containsValue(intValue); } if (value == null) { throw new NullPointerException(); } return false; } public boolean containsValue(int value) { return super.containsValue(value); } public Integer get(Object key) { if (key instanceof Long) { long longKey = ((Long) key).longValue(); try { int intVal = get(longKey); return Integer.valueOf(intVal); } catch (NoSuchElementException e) { return null; } } if (key == null) { throw new NullPointerException(); } return null; } public int get(long key) throws NoSuchElementException { int lookup = getLookup(key); if (lookup != -1) { return intValueTable[lookup]; } throw new NoSuchElementException(); } public int get(long key, int defaultValue) { int lookup = getLookup(key); if (lookup != -1) { return intValueTable[lookup]; } return defaultValue; } public boolean get(long key, int[] value) { int lookup = getLookup(key); if (lookup != -1) { value[0] = intValueTable[lookup]; return true; } return false; } public int getLookup(long key) { return super.getLookup(key); } public Integer put(Long key, Integer value) { if (key == null || value == null) { throw new NullPointerException(); } int oldSize = size(); super.addOrUpdate(key, value, null, null); if (oldSize == size()) { return null; } else { return value; } } public boolean put(long key, int value) { int oldSize = size(); super.addOrUpdate(key, value, null, null); return oldSize != size(); } public Integer remove(Object key) { if (key instanceof Long) { long longKey = ((Long) key).longValue(); return (Integer) super.remove(longKey, 0, null, null, false, false); } if (key == null) { throw new NullPointerException(); } return null; } public boolean remove(long key) { Integer value = (Integer) super.remove(key, 0, null, null, false, false); return value == null ? false : true; } public void putAll(Map other) { Iterator it = other.keySet().iterator(); while (it.hasNext()) { Long key = it.next(); long longKey = key.longValue(); Integer value = other.get(key); int intValue = value.intValue(); put(longKey, intValue); } } public void putAll(LongKeyIntValueHashMap other) { PrimitiveIterator it = (PrimitiveIterator) other.keySet().iterator(); while (it.hasNext()) { long key = it.nextLong(); int value = other.get(key); put(key, value); } } public long[] keysToArray(long[] array) { return toLongArray(array, true); } public int[] valuesToArray(int[] array) { return toIntArray(array, false); } public Set keySet() { if (keySet == null) { keySet = new KeySet(); } return keySet; } public Collection values() { if (values == null) { values = new Values(); } return values; } public Set> entrySet() { if (entries == null) { entries = new EntrySet(); } return entries; } private class EntrySet extends AbstractReadOnlyCollection> implements Set> { public Iterator> iterator() { return LongKeyIntValueHashMap.this.new EntrySetIterator(); } public int size() { return LongKeyIntValueHashMap.this.size(); } public boolean isEmpty() { return size() == 0; } } private class EntrySetIterator extends BaseHashIterator{ EntrySetIterator() { super(true); } public Entry next() { Long key = super.nextLong(); Integer value = intValueTable[lookup]; return new MapEntry(key, value); } } private class KeySet extends AbstractReadOnlyCollection implements Set { public PrimitiveIterator iterator() { return LongKeyIntValueHashMap.this.new BaseHashIterator(true); } public int size() { return LongKeyIntValueHashMap.this.size(); } public boolean isEmpty() { return size() == 0; } } private class Values extends AbstractReadOnlyCollection { public PrimitiveIterator iterator() { return LongKeyIntValueHashMap.this.new BaseHashIterator(false); } public int size() { return LongKeyIntValueHashMap.this.size(); } public boolean isEmpty() { return size() == 0; } } }





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