gnu.trove.map.hash.TShortCharHashMap Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of core Show documentation
Show all versions of core Show documentation
High performance collections for Java
The newest version!
///////////////////////////////////////////////////////////////////////////////
// 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.TShortCharMap;
import gnu.trove.function.TCharFunction;
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 short keys and char 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 TShortCharHashMap extends TShortCharHash implements TShortCharMap, Externalizable {
static final long serialVersionUID = 1L;
/** the values of the map */
protected transient char[] _values;
/**
* Creates a new TShortCharHashMap
instance with the default
* capacity and load factor.
*/
public TShortCharHashMap() {
super();
}
/**
* Creates a new TShortCharHashMap
instance with a prime
* capacity equal to or greater than initialCapacity and
* with the default load factor.
*
* @param initialCapacity an int
value
*/
public TShortCharHashMap( int initialCapacity ) {
super( initialCapacity );
}
/**
* Creates a new TShortCharHashMap
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 TShortCharHashMap( int initialCapacity, float loadFactor ) {
super( initialCapacity, loadFactor );
}
/**
* Creates a new TShortCharHashMap
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 short
value that represents
* null for the Key set.
* @param noEntryValue a char
value that represents
* null for the Value set.
*/
public TShortCharHashMap( int initialCapacity, float loadFactor,
short noEntryKey, char noEntryValue ) {
super( initialCapacity, loadFactor, noEntryKey, noEntryValue );
}
/**
* Creates a new TShortCharHashMap
instance containing
* all of the entries in the map passed in.
*
* @param keys a short array containing the keys for the matching values.
* @param values a char array containing the values.
*/
public TShortCharHashMap( short[] keys, char[] 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 TShortCharHashMap
instance containing
* all of the entries in the map passed in.
*
* @param map a TShortCharMap that will be duplicated.
*/
public TShortCharHashMap( TShortCharMap map ) {
super( map.size() );
if ( map instanceof TShortCharHashMap ) {
TShortCharHashMap hashmap = ( TShortCharHashMap ) map;
this._loadFactor = Math.abs( 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 != ( short ) 0 ) {
Arrays.fill( _set, this.no_entry_key );
}
//noinspection RedundantCast
if ( this.no_entry_value != ( char ) 0 ) {
Arrays.fill( _values, this.no_entry_value );
}
setUp( saturatedCast( fastCeil( DEFAULT_CAPACITY / (double) _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 char[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;
short oldKeys[] = _set;
char oldVals[] = _values;
byte oldStates[] = _states;
_set = new short[newCapacity];
_values = new char[newCapacity];
_states = new byte[newCapacity];
for ( int i = oldCapacity; i-- > 0; ) {
if( oldStates[i] == FULL ) {
short o = oldKeys[i];
int index = insertKey( o );
_values[index] = oldVals[i];
}
}
}
/** {@inheritDoc} */
public char put( short key, char value ) {
int index = insertKey( key );
return doPut( key, value, index );
}
/** {@inheritDoc} */
public char putIfAbsent( short key, char value ) {
int index = insertKey( key );
if (index < 0)
return _values[-index - 1];
return doPut( key, value, index );
}
private char doPut( short key, char value, int index ) {
char 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 Short, ? extends Character> map ) {
ensureCapacity( map.size() );
// could optimize this for cases when map instanceof THashMap
for ( Map.Entry extends Short, ? extends Character> entry : map.entrySet() ) {
this.put( entry.getKey().shortValue(), entry.getValue().charValue() );
}
}
/** {@inheritDoc} */
public void putAll( TShortCharMap map ) {
ensureCapacity( map.size() );
TShortCharIterator iter = map.iterator();
while ( iter.hasNext() ) {
iter.advance();
this.put( iter.key(), iter.value() );
}
}
/** {@inheritDoc} */
public char get( short 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 char remove( short key ) {
char 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 TShortSet keySet() {
return new TKeyView();
}
/** {@inheritDoc} */
public short[] keys() {
short[] keys = new short[size()];
if ( keys.length == 0 ) {
return keys; // nothing to copy
}
short[] 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 short[] keys( short[] array ) {
int size = size();
if ( size == 0 ) {
return array; // nothing to copy
}
if ( array.length < size ) {
array = new short[size];
}
short[] 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 TCharCollection valueCollection() {
return new TValueView();
}
/** {@inheritDoc} */
public char[] values() {
char[] vals = new char[size()];
if ( vals.length == 0 ) {
return vals; // nothing to copy
}
char[] 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 char[] values( char[] array ) {
int size = size();
if ( size == 0 ) {
return array; // nothing to copy
}
if ( array.length < size ) {
array = new char[size];
}
char[] 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( char val ) {
byte[] states = _states;
char[] vals = _values;
for ( int i = vals.length; i-- > 0; ) {
if ( states[i] == FULL && val == vals[i] ) {
return true;
}
}
return false;
}
/** {@inheritDoc} */
public boolean containsKey( short key ) {
return contains( key );
}
/** {@inheritDoc} */
public TShortCharIterator iterator() {
return new TShortCharHashIterator( this );
}
/** {@inheritDoc} */
public boolean forEachKey( TShortProcedure procedure ) {
return forEach( procedure );
}
/** {@inheritDoc} */
public boolean forEachValue( TCharProcedure procedure ) {
byte[] states = _states;
char[] 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( TShortCharProcedure procedure ) {
byte[] states = _states;
short[] keys = _set;
char[] 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( TCharFunction function ) {
byte[] states = _states;
char[] values = _values;
for ( int i = values.length; i-- > 0; ) {
if ( states[i] == FULL ) {
values[i] = function.execute( values[i] );
}
}
}
/** {@inheritDoc} */
public boolean retainEntries( TShortCharProcedure procedure ) {
boolean modified = false;
byte[] states = _states;
short[] keys = _set;
char[] 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( short key ) {
return adjustValue( key, ( char ) 1 );
}
/** {@inheritDoc} */
public boolean adjustValue( short key, char amount ) {
int index = index( key );
if (index < 0) {
return false;
} else {
_values[index] += amount;
return true;
}
}
/** {@inheritDoc} */
public char adjustOrPutValue( short key, char adjust_amount, char put_amount ) {
int index = insertKey( key );
final boolean isNewMapping;
final char 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 TShortSet {
/** {@inheritDoc} */
public TShortIterator iterator() {
return new TShortCharKeyHashIterator( TShortCharHashMap.this );
}
/** {@inheritDoc} */
public short getNoEntryValue() {
return no_entry_key;
}
/** {@inheritDoc} */
public int size() {
return _size;
}
/** {@inheritDoc} */
public boolean isEmpty() {
return 0 == _size;
}
/** {@inheritDoc} */
public boolean contains( short entry ) {
return TShortCharHashMap.this.contains( entry );
}
/** {@inheritDoc} */
public short[] toArray() {
return TShortCharHashMap.this.keys();
}
/** {@inheritDoc} */
public short[] toArray( short[] dest ) {
return TShortCharHashMap.this.keys( dest );
}
/**
* Unsupported when operating upon a Key Set view of a TShortCharMap
*
* {@inheritDoc}
*/
public boolean add( short entry ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean remove( short entry ) {
return no_entry_value != TShortCharHashMap.this.remove( entry );
}
/** {@inheritDoc} */
public boolean containsAll( Collection> collection ) {
for ( Object element : collection ) {
if ( element instanceof Short ) {
short ele = ( ( Short ) element ).shortValue();
if ( ! TShortCharHashMap.this.containsKey( ele ) ) {
return false;
}
} else {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( TShortCollection collection ) {
TShortIterator iter = collection.iterator();
while ( iter.hasNext() ) {
if ( ! TShortCharHashMap.this.containsKey( iter.next() ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( short[] array ) {
for ( short element : array ) {
if ( ! TShortCharHashMap.this.contains( element ) ) {
return false;
}
}
return true;
}
/**
* Unsupported when operating upon a Key Set view of a TShortCharMap
*
* {@inheritDoc}
*/
public boolean addAll( Collection extends Short> collection ) {
throw new UnsupportedOperationException();
}
/**
* Unsupported when operating upon a Key Set view of a TShortCharMap
*
* {@inheritDoc}
*/
public boolean addAll( TShortCollection collection ) {
throw new UnsupportedOperationException();
}
/**
* Unsupported when operating upon a Key Set view of a TShortCharMap
*
* {@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[] 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 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() {
TShortCharHashMap.this.clear();
}
/** {@inheritDoc} */
public boolean forEach( TShortProcedure procedure ) {
return TShortCharHashMap.this.forEachKey( procedure );
}
@Override
public boolean equals( Object other ) {
if (! (other instanceof TShortSet)) {
return false;
}
final TShortSet that = ( TShortSet ) 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 TShortProcedure() {
private boolean first = true;
public boolean execute( short 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 TCharCollection {
/** {@inheritDoc} */
public TCharIterator iterator() {
return new TShortCharValueHashIterator( TShortCharHashMap.this );
}
/** {@inheritDoc} */
public char getNoEntryValue() {
return no_entry_value;
}
/** {@inheritDoc} */
public int size() {
return _size;
}
/** {@inheritDoc} */
public boolean isEmpty() {
return 0 == _size;
}
/** {@inheritDoc} */
public boolean contains( char entry ) {
return TShortCharHashMap.this.containsValue( entry );
}
/** {@inheritDoc} */
public char[] toArray() {
return TShortCharHashMap.this.values();
}
/** {@inheritDoc} */
public char[] toArray( char[] dest ) {
return TShortCharHashMap.this.values( dest );
}
public boolean add( char entry ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean remove( char entry ) {
char[] values = _values;
byte[] states = _states;
for ( int i = values.length; i-- > 0; ) {
if ( ( states[i] != FREE && states[i] != REMOVED ) && entry == values[i] ) {
removeAt( i );
return true;
}
}
return false;
}
/** {@inheritDoc} */
public boolean containsAll( Collection> collection ) {
for ( Object element : collection ) {
if ( element instanceof Character ) {
char ele = ( ( Character ) element ).charValue();
if ( ! TShortCharHashMap.this.containsValue( ele ) ) {
return false;
}
} else {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( TCharCollection collection ) {
TCharIterator iter = collection.iterator();
while ( iter.hasNext() ) {
if ( ! TShortCharHashMap.this.containsValue( iter.next() ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( char[] array ) {
for ( char element : array ) {
if ( ! TShortCharHashMap.this.containsValue( element ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean addAll( Collection extends Character> collection ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean addAll( TCharCollection collection ) {
throw new UnsupportedOperationException();
}
/** {@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[] 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 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() {
TShortCharHashMap.this.clear();
}
/** {@inheritDoc} */
public boolean forEach( TCharProcedure procedure ) {
return TShortCharHashMap.this.forEachValue( procedure );
}
/** {@inheritDoc} */
@Override
public String toString() {
final StringBuilder buf = new StringBuilder( "{" );
forEachValue( new TCharProcedure() {
private boolean first = true;
public boolean execute( char value ) {
if ( first ) {
first = false;
} else {
buf.append( ", " );
}
buf.append( value );
return true;
}
} );
buf.append( "}" );
return buf.toString();
}
}
class TShortCharKeyHashIterator extends THashPrimitiveIterator implements TShortIterator {
/**
* Creates an iterator over the specified map
*
* @param hash the TPrimitiveHash we will be iterating over.
*/
TShortCharKeyHashIterator( TPrimitiveHash hash ) {
super( hash );
}
/** {@inheritDoc} */
public short 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();
TShortCharHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
class TShortCharValueHashIterator extends THashPrimitiveIterator implements TCharIterator {
/**
* Creates an iterator over the specified map
*
* @param hash the TPrimitiveHash we will be iterating over.
*/
TShortCharValueHashIterator( TPrimitiveHash hash ) {
super( hash );
}
/** {@inheritDoc} */
public char 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();
TShortCharHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
class TShortCharHashIterator extends THashPrimitiveIterator implements TShortCharIterator {
/**
* Creates an iterator over the specified map
*
* @param map the TShortCharHashMap we will be iterating over.
*/
TShortCharHashIterator( TShortCharHashMap map ) {
super( map );
}
/** {@inheritDoc} */
public void advance() {
moveToNextIndex();
}
/** {@inheritDoc} */
public short key() {
return _set[_index];
}
/** {@inheritDoc} */
public char value() {
return _values[_index];
}
/** {@inheritDoc} */
public char setValue( char val ) {
char 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();
TShortCharHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
/** {@inheritDoc} */
@Override
public boolean equals( Object other ) {
if ( ! ( other instanceof TShortCharMap ) ) {
return false;
}
TShortCharMap that = ( TShortCharMap ) other;
if ( that.size() != this.size() ) {
return false;
}
char[] values = _values;
byte[] states = _states;
char this_no_entry_value = getNoEntryValue();
char that_no_entry_value = that.getNoEntryValue();
for ( int i = values.length; i-- > 0; ) {
if ( states[i] == FULL ) {
short key = _set[i];
if ( !that.containsKey( key ) ) return false;
char that_value = that.get( key );
char 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 TShortCharProcedure() {
private boolean first = true;
public boolean execute( short key, char 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.writeShort( _set[i] );
out.writeChar( _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) {
short key = in.readShort();
char val = in.readChar();
put(key, val);
}
}
} // TShortCharHashMap
© 2015 - 2024 Weber Informatics LLC | Privacy Policy