gnu.trove.map.hash.TByteFloatHashMap 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.TByteFloatMap;
import gnu.trove.function.TFloatFunction;
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 byte keys and float 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 TByteFloatHashMap extends TByteFloatHash implements TByteFloatMap, Externalizable {
static final long serialVersionUID = 1L;
/** the values of the map */
protected transient float[] _values;
/**
* Creates a new TByteFloatHashMap instance with the default
* capacity and load factor.
*/
public TByteFloatHashMap() {
super();
}
/**
* Creates a new TByteFloatHashMap instance with a prime
* capacity equal to or greater than initialCapacity and
* with the default load factor.
*
* @param initialCapacity an int value
*/
public TByteFloatHashMap( int initialCapacity ) {
super( initialCapacity );
}
/**
* Creates a new TByteFloatHashMap 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 TByteFloatHashMap( int initialCapacity, float loadFactor ) {
super( initialCapacity, loadFactor );
}
/**
* Creates a new TByteFloatHashMap 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 byte value that represents
* null for the Key set.
* @param noEntryValue a float value that represents
* null for the Value set.
*/
public TByteFloatHashMap( int initialCapacity, float loadFactor,
byte noEntryKey, float noEntryValue ) {
super( initialCapacity, loadFactor, noEntryKey, noEntryValue );
}
/**
* Creates a new TByteFloatHashMap instance containing
* all of the entries in the map passed in.
*
* @param keys a byte array containing the keys for the matching values.
* @param values a float array containing the values.
*/
public TByteFloatHashMap( byte[] keys, float[] 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 TByteFloatHashMap instance containing
* all of the entries in the map passed in.
*
* @param map a TByteFloatMap that will be duplicated.
*/
public TByteFloatHashMap( TByteFloatMap map ) {
super( map.size() );
if ( map instanceof TByteFloatHashMap ) {
TByteFloatHashMap hashmap = ( TByteFloatHashMap ) 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 != ( byte ) 0 ) {
Arrays.fill( _set, this.no_entry_key );
}
//noinspection RedundantCast
if ( this.no_entry_value != ( float ) 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 float[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;
byte oldKeys[] = _set;
float oldVals[] = _values;
byte oldStates[] = _states;
_set = new byte[newCapacity];
_values = new float[newCapacity];
_states = new byte[newCapacity];
for ( int i = oldCapacity; i-- > 0; ) {
if( oldStates[i] == FULL ) {
byte o = oldKeys[i];
int index = insertKey( o );
_values[index] = oldVals[i];
}
}
}
/** {@inheritDoc} */
public float put( byte key, float value ) {
int index = insertKey( key );
return doPut( key, value, index );
}
/** {@inheritDoc} */
public float putIfAbsent( byte key, float value ) {
int index = insertKey( key );
if (index < 0)
return _values[-index - 1];
return doPut( key, value, index );
}
private float doPut( byte key, float value, int index ) {
float 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 map ) {
ensureCapacity( map.size() );
// could optimize this for cases when map instanceof THashMap
for ( Map.Entry entry : map.entrySet() ) {
this.put( entry.getKey().byteValue(), entry.getValue().floatValue() );
}
}
/** {@inheritDoc} */
public void putAll( TByteFloatMap map ) {
ensureCapacity( map.size() );
TByteFloatIterator iter = map.iterator();
while ( iter.hasNext() ) {
iter.advance();
this.put( iter.key(), iter.value() );
}
}
/** {@inheritDoc} */
public float get( byte 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 float remove( byte key ) {
float 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 TByteSet keySet() {
return new TKeyView();
}
/** {@inheritDoc} */
public byte[] keys() {
byte[] keys = new byte[size()];
if ( keys.length == 0 ) {
return keys; // nothing to copy
}
byte[] 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 byte[] keys( byte[] array ) {
int size = size();
if ( size == 0 ) {
return array; // nothing to copy
}
if ( array.length < size ) {
array = new byte[size];
}
byte[] 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 TFloatCollection valueCollection() {
return new TValueView();
}
/** {@inheritDoc} */
public float[] values() {
float[] vals = new float[size()];
if ( vals.length == 0 ) {
return vals; // nothing to copy
}
float[] 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 float[] values( float[] array ) {
int size = size();
if ( size == 0 ) {
return array; // nothing to copy
}
if ( array.length < size ) {
array = new float[size];
}
float[] 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( float val ) {
byte[] states = _states;
float[] vals = _values;
for ( int i = vals.length; i-- > 0; ) {
if ( states[i] == FULL && val == vals[i] ) {
return true;
}
}
return false;
}
/** {@inheritDoc} */
public boolean containsKey( byte key ) {
return contains( key );
}
/** {@inheritDoc} */
public TByteFloatIterator iterator() {
return new TByteFloatHashIterator( this );
}
/** {@inheritDoc} */
public boolean forEachKey( TByteProcedure procedure ) {
return forEach( procedure );
}
/** {@inheritDoc} */
public boolean forEachValue( TFloatProcedure procedure ) {
byte[] states = _states;
float[] 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( TByteFloatProcedure procedure ) {
byte[] states = _states;
byte[] keys = _set;
float[] 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( TFloatFunction function ) {
byte[] states = _states;
float[] values = _values;
for ( int i = values.length; i-- > 0; ) {
if ( states[i] == FULL ) {
values[i] = function.execute( values[i] );
}
}
}
/** {@inheritDoc} */
public boolean retainEntries( TByteFloatProcedure procedure ) {
boolean modified = false;
byte[] states = _states;
byte[] keys = _set;
float[] 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( byte key ) {
return adjustValue( key, ( float ) 1 );
}
/** {@inheritDoc} */
public boolean adjustValue( byte key, float amount ) {
int index = index( key );
if (index < 0) {
return false;
} else {
_values[index] += amount;
return true;
}
}
/** {@inheritDoc} */
public float adjustOrPutValue( byte key, float adjust_amount, float put_amount ) {
int index = insertKey( key );
final boolean isNewMapping;
final float 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 TByteSet {
/** {@inheritDoc} */
public TByteIterator iterator() {
return new TByteFloatKeyHashIterator( TByteFloatHashMap.this );
}
/** {@inheritDoc} */
public byte getNoEntryValue() {
return no_entry_key;
}
/** {@inheritDoc} */
public int size() {
return _size;
}
/** {@inheritDoc} */
public boolean isEmpty() {
return 0 == _size;
}
/** {@inheritDoc} */
public boolean contains( byte entry ) {
return TByteFloatHashMap.this.contains( entry );
}
/** {@inheritDoc} */
public byte[] toArray() {
return TByteFloatHashMap.this.keys();
}
/** {@inheritDoc} */
public byte[] toArray( byte[] dest ) {
return TByteFloatHashMap.this.keys( dest );
}
/**
* Unsupported when operating upon a Key Set view of a TByteFloatMap
*
* {@inheritDoc}
*/
public boolean add( byte entry ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean remove( byte entry ) {
return no_entry_value != TByteFloatHashMap.this.remove( entry );
}
/** {@inheritDoc} */
public boolean containsAll( Collection collection ) {
for ( Object element : collection ) {
if ( element instanceof Byte ) {
byte ele = ( ( Byte ) element ).byteValue();
if ( ! TByteFloatHashMap.this.containsKey( ele ) ) {
return false;
}
} else {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( TByteCollection collection ) {
TByteIterator iter = collection.iterator();
while ( iter.hasNext() ) {
if ( ! TByteFloatHashMap.this.containsKey( iter.next() ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( byte[] array ) {
for ( byte element : array ) {
if ( ! TByteFloatHashMap.this.contains( element ) ) {
return false;
}
}
return true;
}
/**
* Unsupported when operating upon a Key Set view of a TByteFloatMap
*
* {@inheritDoc}
*/
public boolean addAll( Collection collection ) {
throw new UnsupportedOperationException();
}
/**
* Unsupported when operating upon a Key Set view of a TByteFloatMap
*
* {@inheritDoc}
*/
public boolean addAll( TByteCollection collection ) {
throw new UnsupportedOperationException();
}
/**
* Unsupported when operating upon a Key Set view of a TByteFloatMap
*
* {@inheritDoc}
*/
public boolean addAll( byte[] array ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
@SuppressWarnings({"SuspiciousMethodCalls"})
public boolean retainAll( Collection collection ) {
boolean modified = false;
TByteIterator iter = iterator();
while ( iter.hasNext() ) {
if ( ! collection.contains( Byte.valueOf ( iter.next() ) ) ) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean retainAll( TByteCollection collection ) {
if ( this == collection ) {
return false;
}
boolean modified = false;
TByteIterator iter = iterator();
while ( iter.hasNext() ) {
if ( ! collection.contains( iter.next() ) ) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean retainAll( byte[] array ) {
boolean changed = false;
Arrays.sort( array );
byte[] 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 Byte ) {
byte c = ( ( Byte ) element ).byteValue();
if ( remove( c ) ) {
changed = true;
}
}
}
return changed;
}
/** {@inheritDoc} */
public boolean removeAll( TByteCollection collection ) {
if ( this == collection ) {
clear();
return true;
}
boolean changed = false;
TByteIterator iter = collection.iterator();
while ( iter.hasNext() ) {
byte element = iter.next();
if ( remove( element ) ) {
changed = true;
}
}
return changed;
}
/** {@inheritDoc} */
public boolean removeAll( byte[] array ) {
boolean changed = false;
for ( int i = array.length; i-- > 0; ) {
if ( remove( array[i] ) ) {
changed = true;
}
}
return changed;
}
/** {@inheritDoc} */
public void clear() {
TByteFloatHashMap.this.clear();
}
/** {@inheritDoc} */
public boolean forEach( TByteProcedure procedure ) {
return TByteFloatHashMap.this.forEachKey( procedure );
}
@Override
public boolean equals( Object other ) {
if (! (other instanceof TByteSet)) {
return false;
}
final TByteSet that = ( TByteSet ) 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 TByteProcedure() {
private boolean first = true;
public boolean execute( byte 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 TFloatCollection {
/** {@inheritDoc} */
public TFloatIterator iterator() {
return new TByteFloatValueHashIterator( TByteFloatHashMap.this );
}
/** {@inheritDoc} */
public float getNoEntryValue() {
return no_entry_value;
}
/** {@inheritDoc} */
public int size() {
return _size;
}
/** {@inheritDoc} */
public boolean isEmpty() {
return 0 == _size;
}
/** {@inheritDoc} */
public boolean contains( float entry ) {
return TByteFloatHashMap.this.containsValue( entry );
}
/** {@inheritDoc} */
public float[] toArray() {
return TByteFloatHashMap.this.values();
}
/** {@inheritDoc} */
public float[] toArray( float[] dest ) {
return TByteFloatHashMap.this.values( dest );
}
public boolean add( float entry ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean remove( float entry ) {
float[] 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 Float ) {
float ele = ( ( Float ) element ).floatValue();
if ( ! TByteFloatHashMap.this.containsValue( ele ) ) {
return false;
}
} else {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( TFloatCollection collection ) {
TFloatIterator iter = collection.iterator();
while ( iter.hasNext() ) {
if ( ! TByteFloatHashMap.this.containsValue( iter.next() ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( float[] array ) {
for ( float element : array ) {
if ( ! TByteFloatHashMap.this.containsValue( element ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean addAll( Collection collection ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean addAll( TFloatCollection collection ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean addAll( float[] array ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
@SuppressWarnings({"SuspiciousMethodCalls"})
public boolean retainAll( Collection collection ) {
boolean modified = false;
TFloatIterator iter = iterator();
while ( iter.hasNext() ) {
if ( ! collection.contains( Float.valueOf ( iter.next() ) ) ) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean retainAll( TFloatCollection collection ) {
if ( this == collection ) {
return false;
}
boolean modified = false;
TFloatIterator iter = iterator();
while ( iter.hasNext() ) {
if ( ! collection.contains( iter.next() ) ) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean retainAll( float[] array ) {
boolean changed = false;
Arrays.sort( array );
float[] 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 Float ) {
float c = ( ( Float ) element ).floatValue();
if ( remove( c ) ) {
changed = true;
}
}
}
return changed;
}
/** {@inheritDoc} */
public boolean removeAll( TFloatCollection collection ) {
if ( this == collection ) {
clear();
return true;
}
boolean changed = false;
TFloatIterator iter = collection.iterator();
while ( iter.hasNext() ) {
float element = iter.next();
if ( remove( element ) ) {
changed = true;
}
}
return changed;
}
/** {@inheritDoc} */
public boolean removeAll( float[] array ) {
boolean changed = false;
for ( int i = array.length; i-- > 0; ) {
if ( remove( array[i] ) ) {
changed = true;
}
}
return changed;
}
/** {@inheritDoc} */
public void clear() {
TByteFloatHashMap.this.clear();
}
/** {@inheritDoc} */
public boolean forEach( TFloatProcedure procedure ) {
return TByteFloatHashMap.this.forEachValue( procedure );
}
/** {@inheritDoc} */
@Override
public String toString() {
final StringBuilder buf = new StringBuilder( "{" );
forEachValue( new TFloatProcedure() {
private boolean first = true;
public boolean execute( float value ) {
if ( first ) {
first = false;
} else {
buf.append( ", " );
}
buf.append( value );
return true;
}
} );
buf.append( "}" );
return buf.toString();
}
}
class TByteFloatKeyHashIterator extends THashPrimitiveIterator implements TByteIterator {
/**
* Creates an iterator over the specified map
*
* @param hash the TPrimitiveHash we will be iterating over.
*/
TByteFloatKeyHashIterator( TPrimitiveHash hash ) {
super( hash );
}
/** {@inheritDoc} */
public byte 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();
TByteFloatHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
class TByteFloatValueHashIterator extends THashPrimitiveIterator implements TFloatIterator {
/**
* Creates an iterator over the specified map
*
* @param hash the TPrimitiveHash we will be iterating over.
*/
TByteFloatValueHashIterator( TPrimitiveHash hash ) {
super( hash );
}
/** {@inheritDoc} */
public float 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();
TByteFloatHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
class TByteFloatHashIterator extends THashPrimitiveIterator implements TByteFloatIterator {
/**
* Creates an iterator over the specified map
*
* @param map the TByteFloatHashMap we will be iterating over.
*/
TByteFloatHashIterator( TByteFloatHashMap map ) {
super( map );
}
/** {@inheritDoc} */
public void advance() {
moveToNextIndex();
}
/** {@inheritDoc} */
public byte key() {
return _set[_index];
}
/** {@inheritDoc} */
public float value() {
return _values[_index];
}
/** {@inheritDoc} */
public float setValue( float val ) {
float 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();
TByteFloatHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
}
/** {@inheritDoc} */
@Override
public boolean equals( Object other ) {
if ( ! ( other instanceof TByteFloatMap ) ) {
return false;
}
TByteFloatMap that = ( TByteFloatMap ) other;
if ( that.size() != this.size() ) {
return false;
}
float[] values = _values;
byte[] states = _states;
float this_no_entry_value = getNoEntryValue();
float that_no_entry_value = that.getNoEntryValue();
for ( int i = values.length; i-- > 0; ) {
if ( states[i] == FULL ) {
byte key = _set[i];
if ( !that.containsKey( key ) ) return false;
float that_value = that.get( key );
float 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 TByteFloatProcedure() {
private boolean first = true;
public boolean execute( byte key, float 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.writeByte( _set[i] );
out.writeFloat( _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) {
byte key = in.readByte();
float val = in.readFloat();
put(key, val);
}
}
} // TByteFloatHashMap
© 2015 - 2024 Weber Informatics LLC | Privacy Policy