gnu.trove.map.hash.TShortIntHashMap 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.TShortIntMap;
import gnu.trove.function.TIntFunction;
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 int 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 TShortIntHashMap extends TShortIntHash implements TShortIntMap, Externalizable {
static final long serialVersionUID = 1L;
/** the values of the map */
protected transient int[] _values;
/**
* Creates a new TShortIntHashMap
instance with the default
* capacity and load factor.
*/
public TShortIntHashMap() {
super();
}
/**
* Creates a new TShortIntHashMap
instance with a prime
* capacity equal to or greater than initialCapacity and
* with the default load factor.
*
* @param initialCapacity an int
value
*/
public TShortIntHashMap( int initialCapacity ) {
super( initialCapacity );
}
/**
* Creates a new TShortIntHashMap
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 TShortIntHashMap( int initialCapacity, float loadFactor ) {
super( initialCapacity, loadFactor );
}
/**
* Creates a new TShortIntHashMap
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 int
value that represents
* null for the Value set.
*/
public TShortIntHashMap( int initialCapacity, float loadFactor,
short noEntryKey, int noEntryValue ) {
super( initialCapacity, loadFactor, noEntryKey, noEntryValue );
}
/**
* Creates a new TShortIntHashMap
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 int array containing the values.
*/
public TShortIntHashMap( short[] keys, int[] 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 TShortIntHashMap
instance containing
* all of the entries in the map passed in.
*
* @param map a TShortIntMap that will be duplicated.
*/
public TShortIntHashMap( TShortIntMap map ) {
super( map.size() );
if ( map instanceof TShortIntHashMap ) {
TShortIntHashMap hashmap = ( TShortIntHashMap ) 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 != ( short ) 0 ) {
Arrays.fill( _set, this.no_entry_key );
}
//noinspection RedundantCast
if ( this.no_entry_value != ( int ) 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 int[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;
int oldVals[] = _values;
byte oldStates[] = _states;
_set = new short[newCapacity];
_values = new int[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 int put( short key, int value ) {
int index = insertKey( key );
return doPut( key, value, index );
}
/** {@inheritDoc} */
public int putIfAbsent( short key, int value ) {
int index = insertKey( key );
if (index < 0)
return _values[-index - 1];
return doPut( key, value, index );
}
private int doPut( short key, int value, int index ) {
int 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 Integer> map ) {
ensureCapacity( map.size() );
// could optimize this for cases when map instanceof THashMap
for ( Map.Entry extends Short, ? extends Integer> entry : map.entrySet() ) {
this.put( entry.getKey().shortValue(), entry.getValue().intValue() );
}
}
/** {@inheritDoc} */
public void putAll( TShortIntMap map ) {
ensureCapacity( map.size() );
TShortIntIterator iter = map.iterator();
while ( iter.hasNext() ) {
iter.advance();
this.put( iter.key(), iter.value() );
}
}
/** {@inheritDoc} */
public int 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 int remove( short key ) {
int 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()];
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 ( 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 TIntCollection valueCollection() {
return new TValueView();
}
/** {@inheritDoc} */
public int[] values() {
int[] vals = new int[size()];
int[] 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 int[] values( int[] array ) {
int size = size();
if ( array.length < size ) {
array = new int[size];
}
int[] 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( int val ) {
byte[] states = _states;
int[] 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 TShortIntIterator iterator() {
return new TShortIntHashIterator( this );
}
/** {@inheritDoc} */
public boolean forEachKey( TShortProcedure procedure ) {
return forEach( procedure );
}
/** {@inheritDoc} */
public boolean forEachValue( TIntProcedure procedure ) {
byte[] states = _states;
int[] 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( TShortIntProcedure procedure ) {
byte[] states = _states;
short[] keys = _set;
int[] 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( TIntFunction function ) {
byte[] states = _states;
int[] values = _values;
for ( int i = values.length; i-- > 0; ) {
if ( states[i] == FULL ) {
values[i] = function.execute( values[i] );
}
}
}
/** {@inheritDoc} */
public boolean retainEntries( TShortIntProcedure procedure ) {
boolean modified = false;
byte[] states = _states;
short[] keys = _set;
int[] 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, ( int ) 1 );
}
/** {@inheritDoc} */
public boolean adjustValue( short key, int amount ) {
int index = index( key );
if (index < 0) {
return false;
} else {
_values[index] += amount;
return true;
}
}
/** {@inheritDoc} */
public int adjustOrPutValue( short key, int adjust_amount, int put_amount ) {
int index = insertKey( key );
final boolean isNewMapping;
final int 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 TShortIntKeyHashIterator( TShortIntHashMap.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 TShortIntHashMap.this.contains( entry );
}
/** {@inheritDoc} */
public short[] toArray() {
return TShortIntHashMap.this.keys();
}
/** {@inheritDoc} */
public short[] toArray( short[] dest ) {
return TShortIntHashMap.this.keys( dest );
}
/**
* Unsupported when operating upon a Key Set view of a TShortIntMap
*
* {@inheritDoc}
*/
public boolean add( short entry ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean remove( short entry ) {
return no_entry_value != TShortIntHashMap.this.remove( entry );
}
/** {@inheritDoc} */
public boolean containsAll( Collection> collection ) {
for ( Object element : collection ) {
if ( element instanceof Short ) {
short ele = ( ( Short ) element ).shortValue();
if ( ! TShortIntHashMap.this.containsKey( ele ) ) {
return false;
}
} else {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( TShortCollection collection ) {
TShortIterator iter = collection.iterator();
while ( iter.hasNext() ) {
if ( ! TShortIntHashMap.this.containsKey( iter.next() ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( short[] array ) {
for ( short element : array ) {
if ( ! TShortIntHashMap.this.contains( element ) ) {
return false;
}
}
return true;
}
/**
* Unsupported when operating upon a Key Set view of a TShortIntMap
*
* {@inheritDoc}
*/
public boolean addAll( Collection extends Short> collection ) {
throw new UnsupportedOperationException();
}
/**
* Unsupported when operating upon a Key Set view of a TShortIntMap
*
* {@inheritDoc}
*/
public boolean addAll( TShortCollection collection ) {
throw new UnsupportedOperationException();
}
/**
* Unsupported when operating upon a Key Set view of a TShortIntMap
*
* {@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() {
TShortIntHashMap.this.clear();
}
/** {@inheritDoc} */
public boolean forEach( TShortProcedure procedure ) {
return TShortIntHashMap.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 TIntCollection {
/** {@inheritDoc} */
public TIntIterator iterator() {
return new TShortIntValueHashIterator( TShortIntHashMap.this );
}
/** {@inheritDoc} */
public int getNoEntryValue() {
return no_entry_value;
}
/** {@inheritDoc} */
public int size() {
return _size;
}
/** {@inheritDoc} */
public boolean isEmpty() {
return 0 == _size;
}
/** {@inheritDoc} */
public boolean contains( int entry ) {
return TShortIntHashMap.this.containsValue( entry );
}
/** {@inheritDoc} */
public int[] toArray() {
return TShortIntHashMap.this.values();
}
/** {@inheritDoc} */
public int[] toArray( int[] dest ) {
return TShortIntHashMap.this.values( dest );
}
public boolean add( int entry ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean remove( int entry ) {
int[] values = _values;
short[] 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 Integer ) {
int ele = ( ( Integer ) element ).intValue();
if ( ! TShortIntHashMap.this.containsValue( ele ) ) {
return false;
}
} else {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( TIntCollection collection ) {
TIntIterator iter = collection.iterator();
while ( iter.hasNext() ) {
if ( ! TShortIntHashMap.this.containsValue( iter.next() ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( int[] array ) {
for ( int element : array ) {
if ( ! TShortIntHashMap.this.containsValue( element ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean addAll( Collection extends Integer> collection ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean addAll( TIntCollection collection ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean addAll( int[] array ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
@SuppressWarnings({"SuspiciousMethodCalls"})
public boolean retainAll( Collection> collection ) {
boolean modified = false;
TIntIterator iter = iterator();
while ( iter.hasNext() ) {
if ( ! collection.contains( Integer.valueOf ( iter.next() ) ) ) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean retainAll( TIntCollection collection ) {
if ( this == collection ) {
return false;
}
boolean modified = false;
TIntIterator iter = iterator();
while ( iter.hasNext() ) {
if ( ! collection.contains( iter.next() ) ) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean retainAll( int[] array ) {
boolean changed = false;
Arrays.sort( array );
int[] 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 Integer ) {
int c = ( ( Integer ) element ).intValue();
if ( remove( c ) ) {
changed = true;
}
}
}
return changed;
}
/** {@inheritDoc} */
public boolean removeAll( TIntCollection collection ) {
if ( this == collection ) {
clear();
return true;
}
boolean changed = false;
TIntIterator iter = collection.iterator();
while ( iter.hasNext() ) {
int element = iter.next();
if ( remove( element ) ) {
changed = true;
}
}
return changed;
}
/** {@inheritDoc} */
public boolean removeAll( int[] array ) {
boolean changed = false;
for ( int i = array.length; i-- > 0; ) {
if ( remove( array[i] ) ) {
changed = true;
}
}
return changed;
}
/** {@inheritDoc} */
public void clear() {
TShortIntHashMap.this.clear();
}
/** {@inheritDoc} */
public boolean forEach( TIntProcedure procedure ) {
return TShortIntHashMap.this.forEachValue( procedure );
}
/** {@inheritDoc} */
@Override
public String toString() {
final StringBuilder buf = new StringBuilder( "{" );
forEachValue( new TIntProcedure() {
private boolean first = true;
public boolean execute( int value ) {
if ( first ) {
first = false;
} else {
buf.append( ", " );
}
buf.append( value );
return true;
}
} );
buf.append( "}" );
return buf.toString();
}
}
class TShortIntKeyHashIterator extends THashPrimitiveIterator implements TShortIterator {
/**
* Creates an iterator over the specified map
*
* @param hash the TPrimitiveHash we will be iterating over.
*/
TShortIntKeyHashIterator( 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();
TShortIntHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
class TShortIntValueHashIterator extends THashPrimitiveIterator implements TIntIterator {
/**
* Creates an iterator over the specified map
*
* @param hash the TPrimitiveHash we will be iterating over.
*/
TShortIntValueHashIterator( TPrimitiveHash hash ) {
super( hash );
}
/** {@inheritDoc} */
public int 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();
TShortIntHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
class TShortIntHashIterator extends THashPrimitiveIterator implements TShortIntIterator {
/**
* Creates an iterator over the specified map
*
* @param map the TShortIntHashMap we will be iterating over.
*/
TShortIntHashIterator( TShortIntHashMap map ) {
super( map );
}
/** {@inheritDoc} */
public void advance() {
moveToNextIndex();
}
/** {@inheritDoc} */
public short key() {
return _set[_index];
}
/** {@inheritDoc} */
public int value() {
return _values[_index];
}
/** {@inheritDoc} */
public int setValue( int val ) {
int 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();
TShortIntHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
/** {@inheritDoc} */
@Override
public boolean equals( Object other ) {
if ( ! ( other instanceof TShortIntMap ) ) {
return false;
}
TShortIntMap that = ( TShortIntMap ) other;
if ( that.size() != this.size() ) {
return false;
}
int[] values = _values;
byte[] states = _states;
int this_no_entry_value = getNoEntryValue();
int that_no_entry_value = that.getNoEntryValue();
for ( int i = values.length; i-- > 0; ) {
if ( states[i] == FULL ) {
short key = _set[i];
int that_value = that.get( key );
int 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 TShortIntProcedure() {
private boolean first = true;
public boolean execute( short key, int 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.writeInt( _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();
int val = in.readInt();
put(key, val);
}
}
} // TShortIntHashMap