gnu.trove.map.hash.TCharShortHashMap Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of trove4j Show documentation
Show all versions of trove4j Show documentation
The Trove library provides high speed regular and primitive
collections for Java.
///////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2001, Eric D. Friedman All Rights Reserved.
// Copyright (c) 2009, Rob Eden All Rights Reserved.
// Copyright (c) 2009, Jeff Randall All Rights Reserved.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
///////////////////////////////////////////////////////////////////////////////
package gnu.trove.map.hash;
//////////////////////////////////////////////////
// THIS IS A GENERATED CLASS. DO NOT HAND EDIT! //
//////////////////////////////////////////////////
import gnu.trove.map.TCharShortMap;
import gnu.trove.function.TShortFunction;
import gnu.trove.procedure.*;
import gnu.trove.set.*;
import gnu.trove.iterator.*;
import gnu.trove.iterator.hash.*;
import gnu.trove.impl.hash.*;
import gnu.trove.impl.HashFunctions;
import gnu.trove.*;
import java.io.*;
import java.util.*;
/**
* An open addressed Map implementation for char keys and short values.
*
* @author Eric D. Friedman
* @author Rob Eden
* @author Jeff Randall
* @version $Id: _K__V_HashMap.template,v 1.1.2.16 2010/03/02 04:09:50 robeden Exp $
*/
public class TCharShortHashMap extends TCharShortHash implements TCharShortMap, Externalizable {
static final long serialVersionUID = 1L;
/** the values of the map */
protected transient short[] _values;
/**
* Creates a new TCharShortHashMap
instance with the default
* capacity and load factor.
*/
public TCharShortHashMap() {
super();
}
/**
* Creates a new TCharShortHashMap
instance with a prime
* capacity equal to or greater than initialCapacity and
* with the default load factor.
*
* @param initialCapacity an int
value
*/
public TCharShortHashMap( int initialCapacity ) {
super( initialCapacity );
}
/**
* Creates a new TCharShortHashMap
instance with a prime
* capacity equal to or greater than initialCapacity and
* with the specified load factor.
*
* @param initialCapacity an int
value
* @param loadFactor a float
value
*/
public TCharShortHashMap( int initialCapacity, float loadFactor ) {
super( initialCapacity, loadFactor );
}
/**
* Creates a new TCharShortHashMap
instance with a prime
* capacity equal to or greater than initialCapacity and
* with the specified load factor.
*
* @param initialCapacity an int
value
* @param loadFactor a float
value
* @param noEntryKey a char
value that represents
* null for the Key set.
* @param noEntryValue a short
value that represents
* null for the Value set.
*/
public TCharShortHashMap( int initialCapacity, float loadFactor,
char noEntryKey, short noEntryValue ) {
super( initialCapacity, loadFactor, noEntryKey, noEntryValue );
}
/**
* Creates a new TCharShortHashMap
instance containing
* all of the entries in the map passed in.
*
* @param keys a char array containing the keys for the matching values.
* @param values a short array containing the values.
*/
public TCharShortHashMap( char[] keys, short[] values ) {
super( Math.max( keys.length, values.length ) );
int size = Math.min( keys.length, values.length );
for ( int i = 0; i < size; i++ ) {
this.put( keys[i], values[i] );
}
}
/**
* Creates a new TCharShortHashMap
instance containing
* all of the entries in the map passed in.
*
* @param map a TCharShortMap that will be duplicated.
*/
public TCharShortHashMap( TCharShortMap map ) {
super( map.size() );
if ( map instanceof TCharShortHashMap ) {
TCharShortHashMap hashmap = ( TCharShortHashMap ) map;
this._loadFactor = hashmap._loadFactor;
this.no_entry_key = hashmap.no_entry_key;
this.no_entry_value = hashmap.no_entry_value;
//noinspection RedundantCast
if ( this.no_entry_key != ( char ) 0 ) {
Arrays.fill( _set, this.no_entry_key );
}
//noinspection RedundantCast
if ( this.no_entry_value != ( short ) 0 ) {
Arrays.fill( _values, this.no_entry_value );
}
setUp( (int) Math.ceil( DEFAULT_CAPACITY / _loadFactor ) );
}
putAll( map );
}
/**
* initializes the hashtable to a prime capacity which is at least
* initialCapacity + 1.
*
* @param initialCapacity an int
value
* @return the actual capacity chosen
*/
protected int setUp( int initialCapacity ) {
int capacity;
capacity = super.setUp( initialCapacity );
_values = new short[capacity];
return capacity;
}
/**
* rehashes the map to the new capacity.
*
* @param newCapacity an int
value
*/
/** {@inheritDoc} */
protected void rehash( int newCapacity ) {
int oldCapacity = _set.length;
char oldKeys[] = _set;
short oldVals[] = _values;
byte oldStates[] = _states;
_set = new char[newCapacity];
_values = new short[newCapacity];
_states = new byte[newCapacity];
for ( int i = oldCapacity; i-- > 0; ) {
if( oldStates[i] == FULL ) {
char o = oldKeys[i];
int index = insertKey( o );
_values[index] = oldVals[i];
}
}
}
/** {@inheritDoc} */
public short put( char key, short value ) {
int index = insertKey( key );
return doPut( key, value, index );
}
/** {@inheritDoc} */
public short putIfAbsent( char key, short value ) {
int index = insertKey( key );
if (index < 0)
return _values[-index - 1];
return doPut( key, value, index );
}
private short doPut( char key, short value, int index ) {
short previous = no_entry_value;
boolean isNewMapping = true;
if ( index < 0 ) {
index = -index -1;
previous = _values[index];
isNewMapping = false;
}
_values[index] = value;
if (isNewMapping) {
postInsertHook( consumeFreeSlot );
}
return previous;
}
/** {@inheritDoc} */
public void putAll( Map extends Character, ? extends Short> map ) {
ensureCapacity( map.size() );
// could optimize this for cases when map instanceof THashMap
for ( Map.Entry extends Character, ? extends Short> entry : map.entrySet() ) {
this.put( entry.getKey().charValue(), entry.getValue().shortValue() );
}
}
/** {@inheritDoc} */
public void putAll( TCharShortMap map ) {
ensureCapacity( map.size() );
TCharShortIterator iter = map.iterator();
while ( iter.hasNext() ) {
iter.advance();
this.put( iter.key(), iter.value() );
}
}
/** {@inheritDoc} */
public short get( char key ) {
int index = index( key );
return index < 0 ? no_entry_value : _values[index];
}
/** {@inheritDoc} */
public void clear() {
super.clear();
Arrays.fill( _set, 0, _set.length, no_entry_key );
Arrays.fill( _values, 0, _values.length, no_entry_value );
Arrays.fill( _states, 0, _states.length, FREE );
}
/** {@inheritDoc} */
public boolean isEmpty() {
return 0 == _size;
}
/** {@inheritDoc} */
public short remove( char key ) {
short prev = no_entry_value;
int index = index( key );
if ( index >= 0 ) {
prev = _values[index];
removeAt( index ); // clear key,state; adjust size
}
return prev;
}
/** {@inheritDoc} */
protected void removeAt( int index ) {
_values[index] = no_entry_value;
super.removeAt( index ); // clear key, state; adjust size
}
/** {@inheritDoc} */
public TCharSet keySet() {
return new TKeyView();
}
/** {@inheritDoc} */
public char[] keys() {
char[] keys = new char[size()];
char[] k = _set;
byte[] states = _states;
for ( int i = k.length, j = 0; i-- > 0; ) {
if ( states[i] == FULL ) {
keys[j++] = k[i];
}
}
return keys;
}
/** {@inheritDoc} */
public char[] keys( char[] array ) {
int size = size();
if ( array.length < size ) {
array = new char[size];
}
char[] keys = _set;
byte[] states = _states;
for ( int i = keys.length, j = 0; i-- > 0; ) {
if ( states[i] == FULL ) {
array[j++] = keys[i];
}
}
return array;
}
/** {@inheritDoc} */
public TShortCollection valueCollection() {
return new TValueView();
}
/** {@inheritDoc} */
public short[] values() {
short[] vals = new short[size()];
short[] v = _values;
byte[] states = _states;
for ( int i = v.length, j = 0; i-- > 0; ) {
if ( states[i] == FULL ) {
vals[j++] = v[i];
}
}
return vals;
}
/** {@inheritDoc} */
public short[] values( short[] array ) {
int size = size();
if ( array.length < size ) {
array = new short[size];
}
short[] v = _values;
byte[] states = _states;
for ( int i = v.length, j = 0; i-- > 0; ) {
if ( states[i] == FULL ) {
array[j++] = v[i];
}
}
return array;
}
/** {@inheritDoc} */
public boolean containsValue( short val ) {
byte[] states = _states;
short[] vals = _values;
for ( int i = vals.length; i-- > 0; ) {
if ( states[i] == FULL && val == vals[i] ) {
return true;
}
}
return false;
}
/** {@inheritDoc} */
public boolean containsKey( char key ) {
return contains( key );
}
/** {@inheritDoc} */
public TCharShortIterator iterator() {
return new TCharShortHashIterator( this );
}
/** {@inheritDoc} */
public boolean forEachKey( TCharProcedure procedure ) {
return forEach( procedure );
}
/** {@inheritDoc} */
public boolean forEachValue( TShortProcedure procedure ) {
byte[] states = _states;
short[] values = _values;
for ( int i = values.length; i-- > 0; ) {
if ( states[i] == FULL && ! procedure.execute( values[i] ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean forEachEntry( TCharShortProcedure procedure ) {
byte[] states = _states;
char[] keys = _set;
short[] values = _values;
for ( int i = keys.length; i-- > 0; ) {
if ( states[i] == FULL && ! procedure.execute( keys[i], values[i] ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public void transformValues( TShortFunction function ) {
byte[] states = _states;
short[] values = _values;
for ( int i = values.length; i-- > 0; ) {
if ( states[i] == FULL ) {
values[i] = function.execute( values[i] );
}
}
}
/** {@inheritDoc} */
public boolean retainEntries( TCharShortProcedure procedure ) {
boolean modified = false;
byte[] states = _states;
char[] keys = _set;
short[] values = _values;
// Temporarily disable compaction. This is a fix for bug #1738760
tempDisableAutoCompaction();
try {
for ( int i = keys.length; i-- > 0; ) {
if ( states[i] == FULL && ! procedure.execute( keys[i], values[i] ) ) {
removeAt( i );
modified = true;
}
}
}
finally {
reenableAutoCompaction( true );
}
return modified;
}
/** {@inheritDoc} */
public boolean increment( char key ) {
return adjustValue( key, ( short ) 1 );
}
/** {@inheritDoc} */
public boolean adjustValue( char key, short amount ) {
int index = index( key );
if (index < 0) {
return false;
} else {
_values[index] += amount;
return true;
}
}
/** {@inheritDoc} */
public short adjustOrPutValue( char key, short adjust_amount, short put_amount ) {
int index = insertKey( key );
final boolean isNewMapping;
final short newValue;
if ( index < 0 ) {
index = -index -1;
newValue = ( _values[index] += adjust_amount );
isNewMapping = false;
} else {
newValue = ( _values[index] = put_amount );
isNewMapping = true;
}
byte previousState = _states[index];
if ( isNewMapping ) {
postInsertHook(consumeFreeSlot);
}
return newValue;
}
/** a view onto the keys of the map. */
protected class TKeyView implements TCharSet {
/** {@inheritDoc} */
public TCharIterator iterator() {
return new TCharShortKeyHashIterator( TCharShortHashMap.this );
}
/** {@inheritDoc} */
public char getNoEntryValue() {
return no_entry_key;
}
/** {@inheritDoc} */
public int size() {
return _size;
}
/** {@inheritDoc} */
public boolean isEmpty() {
return 0 == _size;
}
/** {@inheritDoc} */
public boolean contains( char entry ) {
return TCharShortHashMap.this.contains( entry );
}
/** {@inheritDoc} */
public char[] toArray() {
return TCharShortHashMap.this.keys();
}
/** {@inheritDoc} */
public char[] toArray( char[] dest ) {
return TCharShortHashMap.this.keys( dest );
}
/**
* Unsupported when operating upon a Key Set view of a TCharShortMap
*
* {@inheritDoc}
*/
public boolean add( char entry ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean remove( char entry ) {
return no_entry_value != TCharShortHashMap.this.remove( entry );
}
/** {@inheritDoc} */
public boolean containsAll( Collection> collection ) {
for ( Object element : collection ) {
if ( element instanceof Character ) {
char ele = ( ( Character ) element ).charValue();
if ( ! TCharShortHashMap.this.containsKey( ele ) ) {
return false;
}
} else {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( TCharCollection collection ) {
TCharIterator iter = collection.iterator();
while ( iter.hasNext() ) {
if ( ! TCharShortHashMap.this.containsKey( iter.next() ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( char[] array ) {
for ( char element : array ) {
if ( ! TCharShortHashMap.this.contains( element ) ) {
return false;
}
}
return true;
}
/**
* Unsupported when operating upon a Key Set view of a TCharShortMap
*
* {@inheritDoc}
*/
public boolean addAll( Collection extends Character> collection ) {
throw new UnsupportedOperationException();
}
/**
* Unsupported when operating upon a Key Set view of a TCharShortMap
*
* {@inheritDoc}
*/
public boolean addAll( TCharCollection collection ) {
throw new UnsupportedOperationException();
}
/**
* Unsupported when operating upon a Key Set view of a TCharShortMap
*
* {@inheritDoc}
*/
public boolean addAll( char[] array ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
@SuppressWarnings({"SuspiciousMethodCalls"})
public boolean retainAll( Collection> collection ) {
boolean modified = false;
TCharIterator iter = iterator();
while ( iter.hasNext() ) {
if ( ! collection.contains( Character.valueOf ( iter.next() ) ) ) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean retainAll( TCharCollection collection ) {
if ( this == collection ) {
return false;
}
boolean modified = false;
TCharIterator iter = iterator();
while ( iter.hasNext() ) {
if ( ! collection.contains( iter.next() ) ) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean retainAll( char[] array ) {
boolean changed = false;
Arrays.sort( array );
char[] set = _set;
byte[] states = _states;
for ( int i = set.length; i-- > 0; ) {
if ( states[i] == FULL && ( Arrays.binarySearch( array, set[i] ) < 0) ) {
removeAt( i );
changed = true;
}
}
return changed;
}
/** {@inheritDoc} */
public boolean removeAll( Collection> collection ) {
boolean changed = false;
for ( Object element : collection ) {
if ( element instanceof Character ) {
char c = ( ( Character ) element ).charValue();
if ( remove( c ) ) {
changed = true;
}
}
}
return changed;
}
/** {@inheritDoc} */
public boolean removeAll( TCharCollection collection ) {
if ( this == collection ) {
clear();
return true;
}
boolean changed = false;
TCharIterator iter = collection.iterator();
while ( iter.hasNext() ) {
char element = iter.next();
if ( remove( element ) ) {
changed = true;
}
}
return changed;
}
/** {@inheritDoc} */
public boolean removeAll( char[] array ) {
boolean changed = false;
for ( int i = array.length; i-- > 0; ) {
if ( remove( array[i] ) ) {
changed = true;
}
}
return changed;
}
/** {@inheritDoc} */
public void clear() {
TCharShortHashMap.this.clear();
}
/** {@inheritDoc} */
public boolean forEach( TCharProcedure procedure ) {
return TCharShortHashMap.this.forEachKey( procedure );
}
@Override
public boolean equals( Object other ) {
if (! (other instanceof TCharSet)) {
return false;
}
final TCharSet that = ( TCharSet ) other;
if ( that.size() != this.size() ) {
return false;
}
for ( int i = _states.length; i-- > 0; ) {
if ( _states[i] == FULL ) {
if ( ! that.contains( _set[i] ) ) {
return false;
}
}
}
return true;
}
@Override
public int hashCode() {
int hashcode = 0;
for ( int i = _states.length; i-- > 0; ) {
if ( _states[i] == FULL ) {
hashcode += HashFunctions.hash( _set[i] );
}
}
return hashcode;
}
@Override
public String toString() {
final StringBuilder buf = new StringBuilder( "{" );
forEachKey( new TCharProcedure() {
private boolean first = true;
public boolean execute( char key ) {
if ( first ) {
first = false;
} else {
buf.append( ", " );
}
buf.append( key );
return true;
}
} );
buf.append( "}" );
return buf.toString();
}
}
/** a view onto the values of the map. */
protected class TValueView implements TShortCollection {
/** {@inheritDoc} */
public TShortIterator iterator() {
return new TCharShortValueHashIterator( TCharShortHashMap.this );
}
/** {@inheritDoc} */
public short getNoEntryValue() {
return no_entry_value;
}
/** {@inheritDoc} */
public int size() {
return _size;
}
/** {@inheritDoc} */
public boolean isEmpty() {
return 0 == _size;
}
/** {@inheritDoc} */
public boolean contains( short entry ) {
return TCharShortHashMap.this.containsValue( entry );
}
/** {@inheritDoc} */
public short[] toArray() {
return TCharShortHashMap.this.values();
}
/** {@inheritDoc} */
public short[] toArray( short[] dest ) {
return TCharShortHashMap.this.values( dest );
}
public boolean add( short entry ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean remove( short entry ) {
short[] values = _values;
char[] set = _set;
for ( int i = values.length; i-- > 0; ) {
if ( ( set[i] != FREE && set[i] != REMOVED ) && entry == values[i] ) {
removeAt( i );
return true;
}
}
return false;
}
/** {@inheritDoc} */
public boolean containsAll( Collection> collection ) {
for ( Object element : collection ) {
if ( element instanceof Short ) {
short ele = ( ( Short ) element ).shortValue();
if ( ! TCharShortHashMap.this.containsValue( ele ) ) {
return false;
}
} else {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( TShortCollection collection ) {
TShortIterator iter = collection.iterator();
while ( iter.hasNext() ) {
if ( ! TCharShortHashMap.this.containsValue( iter.next() ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( short[] array ) {
for ( short element : array ) {
if ( ! TCharShortHashMap.this.containsValue( element ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean addAll( Collection extends Short> collection ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean addAll( TShortCollection collection ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean addAll( short[] array ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
@SuppressWarnings({"SuspiciousMethodCalls"})
public boolean retainAll( Collection> collection ) {
boolean modified = false;
TShortIterator iter = iterator();
while ( iter.hasNext() ) {
if ( ! collection.contains( Short.valueOf ( iter.next() ) ) ) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean retainAll( TShortCollection collection ) {
if ( this == collection ) {
return false;
}
boolean modified = false;
TShortIterator iter = iterator();
while ( iter.hasNext() ) {
if ( ! collection.contains( iter.next() ) ) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean retainAll( short[] array ) {
boolean changed = false;
Arrays.sort( array );
short[] values = _values;
byte[] states = _states;
for ( int i = values.length; i-- > 0; ) {
if ( states[i] == FULL && ( Arrays.binarySearch( array, values[i] ) < 0) ) {
removeAt( i );
changed = true;
}
}
return changed;
}
/** {@inheritDoc} */
public boolean removeAll( Collection> collection ) {
boolean changed = false;
for ( Object element : collection ) {
if ( element instanceof Short ) {
short c = ( ( Short ) element ).shortValue();
if ( remove( c ) ) {
changed = true;
}
}
}
return changed;
}
/** {@inheritDoc} */
public boolean removeAll( TShortCollection collection ) {
if ( this == collection ) {
clear();
return true;
}
boolean changed = false;
TShortIterator iter = collection.iterator();
while ( iter.hasNext() ) {
short element = iter.next();
if ( remove( element ) ) {
changed = true;
}
}
return changed;
}
/** {@inheritDoc} */
public boolean removeAll( short[] array ) {
boolean changed = false;
for ( int i = array.length; i-- > 0; ) {
if ( remove( array[i] ) ) {
changed = true;
}
}
return changed;
}
/** {@inheritDoc} */
public void clear() {
TCharShortHashMap.this.clear();
}
/** {@inheritDoc} */
public boolean forEach( TShortProcedure procedure ) {
return TCharShortHashMap.this.forEachValue( procedure );
}
/** {@inheritDoc} */
@Override
public String toString() {
final StringBuilder buf = new StringBuilder( "{" );
forEachValue( new TShortProcedure() {
private boolean first = true;
public boolean execute( short value ) {
if ( first ) {
first = false;
} else {
buf.append( ", " );
}
buf.append( value );
return true;
}
} );
buf.append( "}" );
return buf.toString();
}
}
class TCharShortKeyHashIterator extends THashPrimitiveIterator implements TCharIterator {
/**
* Creates an iterator over the specified map
*
* @param hash the TPrimitiveHash we will be iterating over.
*/
TCharShortKeyHashIterator( TPrimitiveHash hash ) {
super( hash );
}
/** {@inheritDoc} */
public char next() {
moveToNextIndex();
return _set[_index];
}
/** @{inheritDoc} */
public void remove() {
if ( _expectedSize != _hash.size() ) {
throw new ConcurrentModificationException();
}
// Disable auto compaction during the remove. This is a workaround for bug 1642768.
try {
_hash.tempDisableAutoCompaction();
TCharShortHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
class TCharShortValueHashIterator extends THashPrimitiveIterator implements TShortIterator {
/**
* Creates an iterator over the specified map
*
* @param hash the TPrimitiveHash we will be iterating over.
*/
TCharShortValueHashIterator( TPrimitiveHash hash ) {
super( hash );
}
/** {@inheritDoc} */
public short next() {
moveToNextIndex();
return _values[_index];
}
/** @{inheritDoc} */
public void remove() {
if ( _expectedSize != _hash.size() ) {
throw new ConcurrentModificationException();
}
// Disable auto compaction during the remove. This is a workaround for bug 1642768.
try {
_hash.tempDisableAutoCompaction();
TCharShortHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
class TCharShortHashIterator extends THashPrimitiveIterator implements TCharShortIterator {
/**
* Creates an iterator over the specified map
*
* @param map the TCharShortHashMap we will be iterating over.
*/
TCharShortHashIterator( TCharShortHashMap map ) {
super( map );
}
/** {@inheritDoc} */
public void advance() {
moveToNextIndex();
}
/** {@inheritDoc} */
public char key() {
return _set[_index];
}
/** {@inheritDoc} */
public short value() {
return _values[_index];
}
/** {@inheritDoc} */
public short setValue( short val ) {
short old = value();
_values[_index] = val;
return old;
}
/** @{inheritDoc} */
public void remove() {
if ( _expectedSize != _hash.size() ) {
throw new ConcurrentModificationException();
}
// Disable auto compaction during the remove. This is a workaround for bug 1642768.
try {
_hash.tempDisableAutoCompaction();
TCharShortHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
/** {@inheritDoc} */
@Override
public boolean equals( Object other ) {
if ( ! ( other instanceof TCharShortMap ) ) {
return false;
}
TCharShortMap that = ( TCharShortMap ) other;
if ( that.size() != this.size() ) {
return false;
}
short[] values = _values;
byte[] states = _states;
short this_no_entry_value = getNoEntryValue();
short that_no_entry_value = that.getNoEntryValue();
for ( int i = values.length; i-- > 0; ) {
if ( states[i] == FULL ) {
char key = _set[i];
short that_value = that.get( key );
short this_value = values[i];
if ( ( this_value != that_value ) &&
( this_value != this_no_entry_value ) &&
( that_value != that_no_entry_value ) ) {
return false;
}
}
}
return true;
}
/** {@inheritDoc} */
@Override
public int hashCode() {
int hashcode = 0;
byte[] states = _states;
for ( int i = _values.length; i-- > 0; ) {
if ( states[i] == FULL ) {
hashcode += HashFunctions.hash( _set[i] ) ^
HashFunctions.hash( _values[i] );
}
}
return hashcode;
}
/** {@inheritDoc} */
@Override
public String toString() {
final StringBuilder buf = new StringBuilder( "{" );
forEachEntry( new TCharShortProcedure() {
private boolean first = true;
public boolean execute( char key, short value ) {
if ( first ) first = false;
else buf.append( ", " );
buf.append(key);
buf.append("=");
buf.append(value);
return true;
}
});
buf.append( "}" );
return buf.toString();
}
/** {@inheritDoc} */
public void writeExternal(ObjectOutput out) throws IOException {
// VERSION
out.writeByte( 0 );
// SUPER
super.writeExternal( out );
// NUMBER OF ENTRIES
out.writeInt( _size );
// ENTRIES
for ( int i = _states.length; i-- > 0; ) {
if ( _states[i] == FULL ) {
out.writeChar( _set[i] );
out.writeShort( _values[i] );
}
}
}
/** {@inheritDoc} */
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
// VERSION
in.readByte();
// SUPER
super.readExternal( in );
// NUMBER OF ENTRIES
int size = in.readInt();
setUp( size );
// ENTRIES
while (size-- > 0) {
char key = in.readChar();
short val = in.readShort();
put(key, val);
}
}
} // TCharShortHashMap