gnu.trove.map.hash.TIntDoubleHashMap 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.TIntDoubleMap;
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 int 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 TIntDoubleHashMap extends TIntDoubleHash implements TIntDoubleMap, Externalizable {
static final long serialVersionUID = 1L;
/** the values of the map */
protected transient double[] _values;
/**
* Creates a new TIntDoubleHashMap
instance with the default
* capacity and load factor.
*/
public TIntDoubleHashMap() {
super();
}
/**
* Creates a new TIntDoubleHashMap
instance with a prime
* capacity equal to or greater than initialCapacity and
* with the default load factor.
*
* @param initialCapacity an int
value
*/
public TIntDoubleHashMap( int initialCapacity ) {
super( initialCapacity );
}
/**
* Creates a new TIntDoubleHashMap
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 TIntDoubleHashMap( int initialCapacity, float loadFactor ) {
super( initialCapacity, loadFactor );
}
/**
* Creates a new TIntDoubleHashMap
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 int
value that represents
* null for the Key set.
* @param noEntryValue a double
value that represents
* null for the Value set.
*/
public TIntDoubleHashMap( int initialCapacity, float loadFactor,
int noEntryKey, double noEntryValue ) {
super( initialCapacity, loadFactor, noEntryKey, noEntryValue );
}
/**
* Creates a new TIntDoubleHashMap
instance containing
* all of the entries in the map passed in.
*
* @param keys a int array containing the keys for the matching values.
* @param values a double array containing the values.
*/
public TIntDoubleHashMap( int[] 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 TIntDoubleHashMap
instance containing
* all of the entries in the map passed in.
*
* @param map a TIntDoubleMap that will be duplicated.
*/
public TIntDoubleHashMap( TIntDoubleMap map ) {
super( map.size() );
if ( map instanceof TIntDoubleHashMap ) {
TIntDoubleHashMap hashmap = ( TIntDoubleHashMap ) 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 != ( int ) 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;
int oldKeys[] = _set;
double oldVals[] = _values;
byte oldStates[] = _states;
_set = new int[newCapacity];
_values = new double[newCapacity];
_states = new byte[newCapacity];
for ( int i = oldCapacity; i-- > 0; ) {
if( oldStates[i] == FULL ) {
int o = oldKeys[i];
int index = insertKey( o );
_values[index] = oldVals[i];
}
}
}
/** {@inheritDoc} */
public double put( int key, double value ) {
int index = insertKey( key );
return doPut( key, value, index );
}
/** {@inheritDoc} */
public double putIfAbsent( int key, double value ) {
int index = insertKey( key );
if (index < 0)
return _values[-index - 1];
return doPut( key, value, index );
}
private double doPut( int 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 Integer, ? extends Double> map ) {
ensureCapacity( map.size() );
// could optimize this for cases when map instanceof THashMap
for ( Map.Entry extends Integer, ? extends Double> entry : map.entrySet() ) {
this.put( entry.getKey().intValue(), entry.getValue().doubleValue() );
}
}
/** {@inheritDoc} */
public void putAll( TIntDoubleMap map ) {
ensureCapacity( map.size() );
TIntDoubleIterator iter = map.iterator();
while ( iter.hasNext() ) {
iter.advance();
this.put( iter.key(), iter.value() );
}
}
/** {@inheritDoc} */
public double get( int 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( int 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 TIntSet keySet() {
return new TKeyView();
}
/** {@inheritDoc} */
public int[] keys() {
int[] keys = new int[size()];
int[] 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 int[] keys( int[] array ) {
int size = size();
if ( array.length < size ) {
array = new int[size];
}
int[] 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( int key ) {
return contains( key );
}
/** {@inheritDoc} */
public TIntDoubleIterator iterator() {
return new TIntDoubleHashIterator( this );
}
/** {@inheritDoc} */
public boolean forEachKey( TIntProcedure 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( TIntDoubleProcedure procedure ) {
byte[] states = _states;
int[] 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( TIntDoubleProcedure procedure ) {
boolean modified = false;
byte[] states = _states;
int[] 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( int key ) {
return adjustValue( key, ( double ) 1 );
}
/** {@inheritDoc} */
public boolean adjustValue( int key, double amount ) {
int index = index( key );
if (index < 0) {
return false;
} else {
_values[index] += amount;
return true;
}
}
/** {@inheritDoc} */
public double adjustOrPutValue( int 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 TIntSet {
/** {@inheritDoc} */
public TIntIterator iterator() {
return new TIntDoubleKeyHashIterator( TIntDoubleHashMap.this );
}
/** {@inheritDoc} */
public int getNoEntryValue() {
return no_entry_key;
}
/** {@inheritDoc} */
public int size() {
return _size;
}
/** {@inheritDoc} */
public boolean isEmpty() {
return 0 == _size;
}
/** {@inheritDoc} */
public boolean contains( int entry ) {
return TIntDoubleHashMap.this.contains( entry );
}
/** {@inheritDoc} */
public int[] toArray() {
return TIntDoubleHashMap.this.keys();
}
/** {@inheritDoc} */
public int[] toArray( int[] dest ) {
return TIntDoubleHashMap.this.keys( dest );
}
/**
* Unsupported when operating upon a Key Set view of a TIntDoubleMap
*
* {@inheritDoc}
*/
public boolean add( int entry ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean remove( int entry ) {
return no_entry_value != TIntDoubleHashMap.this.remove( entry );
}
/** {@inheritDoc} */
public boolean containsAll( Collection> collection ) {
for ( Object element : collection ) {
if ( element instanceof Integer ) {
int ele = ( ( Integer ) element ).intValue();
if ( ! TIntDoubleHashMap.this.containsKey( ele ) ) {
return false;
}
} else {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( TIntCollection collection ) {
TIntIterator iter = collection.iterator();
while ( iter.hasNext() ) {
if ( ! TIntDoubleHashMap.this.containsKey( iter.next() ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( int[] array ) {
for ( int element : array ) {
if ( ! TIntDoubleHashMap.this.contains( element ) ) {
return false;
}
}
return true;
}
/**
* Unsupported when operating upon a Key Set view of a TIntDoubleMap
*
* {@inheritDoc}
*/
public boolean addAll( Collection extends Integer> collection ) {
throw new UnsupportedOperationException();
}
/**
* Unsupported when operating upon a Key Set view of a TIntDoubleMap
*
* {@inheritDoc}
*/
public boolean addAll( TIntCollection collection ) {
throw new UnsupportedOperationException();
}
/**
* Unsupported when operating upon a Key Set view of a TIntDoubleMap
*
* {@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[] 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 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() {
TIntDoubleHashMap.this.clear();
}
/** {@inheritDoc} */
public boolean forEach( TIntProcedure procedure ) {
return TIntDoubleHashMap.this.forEachKey( procedure );
}
@Override
public boolean equals( Object other ) {
if (! (other instanceof TIntSet)) {
return false;
}
final TIntSet that = ( TIntSet ) 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 TIntProcedure() {
private boolean first = true;
public boolean execute( int 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 TIntDoubleValueHashIterator( TIntDoubleHashMap.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 TIntDoubleHashMap.this.containsValue( entry );
}
/** {@inheritDoc} */
public double[] toArray() {
return TIntDoubleHashMap.this.values();
}
/** {@inheritDoc} */
public double[] toArray( double[] dest ) {
return TIntDoubleHashMap.this.values( dest );
}
public boolean add( double entry ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean remove( double entry ) {
double[] values = _values;
int[] 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 ( ! TIntDoubleHashMap.this.containsValue( ele ) ) {
return false;
}
} else {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( TDoubleCollection collection ) {
TDoubleIterator iter = collection.iterator();
while ( iter.hasNext() ) {
if ( ! TIntDoubleHashMap.this.containsValue( iter.next() ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( double[] array ) {
for ( double element : array ) {
if ( ! TIntDoubleHashMap.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() {
TIntDoubleHashMap.this.clear();
}
/** {@inheritDoc} */
public boolean forEach( TDoubleProcedure procedure ) {
return TIntDoubleHashMap.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 TIntDoubleKeyHashIterator extends THashPrimitiveIterator implements TIntIterator {
/**
* Creates an iterator over the specified map
*
* @param hash the TPrimitiveHash we will be iterating over.
*/
TIntDoubleKeyHashIterator( TPrimitiveHash hash ) {
super( hash );
}
/** {@inheritDoc} */
public int 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();
TIntDoubleHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
class TIntDoubleValueHashIterator extends THashPrimitiveIterator implements TDoubleIterator {
/**
* Creates an iterator over the specified map
*
* @param hash the TPrimitiveHash we will be iterating over.
*/
TIntDoubleValueHashIterator( 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();
TIntDoubleHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
class TIntDoubleHashIterator extends THashPrimitiveIterator implements TIntDoubleIterator {
/**
* Creates an iterator over the specified map
*
* @param map the TIntDoubleHashMap we will be iterating over.
*/
TIntDoubleHashIterator( TIntDoubleHashMap map ) {
super( map );
}
/** {@inheritDoc} */
public void advance() {
moveToNextIndex();
}
/** {@inheritDoc} */
public int 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();
TIntDoubleHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
/** {@inheritDoc} */
@Override
public boolean equals( Object other ) {
if ( ! ( other instanceof TIntDoubleMap ) ) {
return false;
}
TIntDoubleMap that = ( TIntDoubleMap ) 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 ) {
int 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 TIntDoubleProcedure() {
private boolean first = true;
public boolean execute( int 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.writeInt( _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) {
int key = in.readInt();
double val = in.readDouble();
put(key, val);
}
}
} // TIntDoubleHashMap