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/* Copyright (c) 2001-2021, The HSQL Development Group
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*
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package org.hsqldb.lib;
import java.util.NoSuchElementException;
import org.hsqldb.map.BaseHashMap;
/**
* A Map of long primitives to to long primitive.
*
* @author Fred Toussi (fredt@users dot sourceforge.net)
* @version 2.6.0
* @since 1.7.2
*/
public class LongKeyLongValueHashMap extends BaseHashMap implements Map {
private Set keySet;
private Collection values;
private Set> entries;
public LongKeyLongValueHashMap() {
this(8);
}
public LongKeyLongValueHashMap(int initialCapacity) throws IllegalArgumentException {
super(initialCapacity, BaseHashMap.longKeyOrValue,
BaseHashMap.longKeyOrValue, false);
}
public LongKeyLongValueHashMap(boolean minimize) {
this(8);
minimizeOnEmpty = minimize;
}
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 Long) {
long longValue = ((Long) value).longValue();
return super.containsValue(longValue);
}
if (value == null) {
throw new NullPointerException();
}
return false;
}
public boolean containsValue(long value) {
return super.containsValue(value);
}
public Long get(Object key) {
if (key instanceof Long) {
long longKey = ((Long) key).intValue();
try {
long longVal = get(longKey);
return Long.valueOf(longVal);
} catch (NoSuchElementException e) {
return null;
}
}
if (key == null) {
throw new NullPointerException();
}
return null;
}
public long get(long key) throws NoSuchElementException {
int lookup = getLookup(key);
if (lookup != -1) {
return longValueTable[lookup];
}
throw new NoSuchElementException();
}
public long get(long key, long defaultValue) {
int lookup = getLookup(key);
if (lookup != -1) {
return longValueTable[lookup];
}
return defaultValue;
}
public boolean get(long key, long[] value) {
int lookup = getLookup(key);
if (lookup != -1) {
value[0] = longValueTable[lookup];
return true;
}
return false;
}
public Long put(Long key, Long 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, long value) {
int oldSize = size();
super.addOrUpdate(key, value, null, null);
return oldSize != size();
}
public Long remove(Object key) {
if (key instanceof Long) {
long longKey = ((Long) key).longValue();
return (Long) super.remove(longKey, 0, null, null, false, false);
}
if (key == null) {
throw new NullPointerException();
}
return null;
}
public boolean remove(long key) {
Long value = (Long) 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();
Long value = other.get(key);
long longValue = value.longValue();
put(longKey, longValue);
}
}
public void putAll(IntKeyIntValueHashMap other) {
PrimitiveIterator it = (PrimitiveIterator) other.keySet().iterator();
while (it.hasNext()) {
long longKey = it.nextLong();
int longValue = other.get(longKey);
put(longKey, longValue);
}
}
public long[] keysToArray(long[] array) {
return toLongArray(array, true);
}
public long[] valuesToArray(long[] array) {
return toLongArray(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 LongKeyLongValueHashMap.this.new EntrySetIterator();
}
public int size() {
return LongKeyLongValueHashMap.this.size();
}
public boolean isEmpty() {
return size() == 0;
}
}
private class EntrySetIterator extends BaseHashIterator{
EntrySetIterator() {
super(true);
}
public Entry next() {
Long key = super.nextLong();
Long value = longValueTable[lookup];
return new MapEntry(key, value);
}
}
private class KeySet extends AbstractReadOnlyCollection implements Set {
public PrimitiveIterator iterator() {
return LongKeyLongValueHashMap.this.new BaseHashIterator(true);
}
public int size() {
return LongKeyLongValueHashMap.this.size();
}
public boolean isEmpty() {
return size() == 0;
}
}
private class Values extends AbstractReadOnlyCollection {
public PrimitiveIterator iterator() {
return LongKeyLongValueHashMap.this.new BaseHashIterator(false);
}
public int size() {
return LongKeyLongValueHashMap.this.size();
}
public boolean isEmpty() {
return size() == 0;
}
}
}