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