gnu.trove.map.custom_hash.TObjectByteCustomHashMap 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.custom_hash;
import gnu.trove.TByteCollection;
import gnu.trove.function.TByteFunction;
import gnu.trove.impl.Constants;
import gnu.trove.impl.HashFunctions;
import gnu.trove.impl.hash.TCustomObjectHash;
import gnu.trove.impl.hash.THash;
import gnu.trove.iterator.TByteIterator;
import gnu.trove.iterator.TObjectByteIterator;
import gnu.trove.iterator.hash.TObjectHashIterator;
import gnu.trove.map.TObjectByteMap;
import gnu.trove.procedure.TByteProcedure;
import gnu.trove.procedure.TObjectByteProcedure;
import gnu.trove.procedure.TObjectProcedure;
import gnu.trove.strategy.HashingStrategy;
import java.io.*;
import java.util.*;
//////////////////////////////////////////////////
// THIS IS A GENERATED CLASS. DO NOT HAND EDIT! //
//////////////////////////////////////////////////
/**
* An open addressed Map implementation for Object keys and byte values.
*
* @author Rob Eden
*/
public class TObjectByteCustomHashMap extends TCustomObjectHash
implements TObjectByteMap, Externalizable {
static final long serialVersionUID = 1L;
private final TObjectByteProcedure PUT_ALL_PROC = new TObjectByteProcedure() {
public boolean execute(K key, byte value) {
put(key, value);
return true;
}
};
/** the values of the map */
protected transient byte[] _values;
/** the value that represents null */
protected byte no_entry_value;
/** FOR EXTERNALIZATION ONLY!!! */
public TObjectByteCustomHashMap() {}
/**
* Creates a new TObjectByteHashMap
instance with the default
* capacity and load factor.
*/
public TObjectByteCustomHashMap( HashingStrategy super K> strategy ) {
super( strategy );
no_entry_value = Constants.DEFAULT_BYTE_NO_ENTRY_VALUE;
}
/**
* Creates a new TObjectByteHashMap
instance with a prime
* capacity equal to or greater than initialCapacity and
* with the default load factor.
*
* @param initialCapacity an int
value
*/
public TObjectByteCustomHashMap( HashingStrategy super K> strategy,
int initialCapacity ) {
super( strategy, initialCapacity );
no_entry_value = Constants.DEFAULT_BYTE_NO_ENTRY_VALUE;
}
/**
* Creates a new TObjectByteHashMap
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 TObjectByteCustomHashMap( HashingStrategy super K> strategy,
int initialCapacity, float loadFactor ) {
super( strategy, initialCapacity, loadFactor );
no_entry_value = Constants.DEFAULT_BYTE_NO_ENTRY_VALUE;
}
/**
* Creates a new TObjectByteHashMap
instance with a prime
* value at or near the specified capacity and load factor.
*
* @param initialCapacity used to find a prime capacity for the table.
* @param loadFactor used to calculate the threshold over which
* rehashing takes place.
* @param noEntryValue the value used to represent null.
*/
public TObjectByteCustomHashMap( HashingStrategy super K> strategy,
int initialCapacity, float loadFactor, byte noEntryValue ) {
super( strategy, initialCapacity, loadFactor );
no_entry_value = noEntryValue;
//noinspection RedundantCast
if ( no_entry_value != ( byte ) 0 ) {
Arrays.fill( _values, no_entry_value );
}
}
/**
* Creates a new TObjectByteCustomHashMap
that contains the entries
* in the map passed to it.
*
* @param map the TObjectByteMap to be copied.
*/
public TObjectByteCustomHashMap( HashingStrategy super K> strategy,
TObjectByteMap extends K> map ) {
this( strategy, map.size(), 0.5f, map.getNoEntryValue() );
if ( map instanceof TObjectByteCustomHashMap ) {
TObjectByteCustomHashMap hashmap = ( TObjectByteCustomHashMap ) map;
this._loadFactor = Math.abs( hashmap._loadFactor );
this.no_entry_value = hashmap.no_entry_value;
this.strategy = hashmap.strategy;
//noinspection RedundantCast
if ( this.no_entry_value != ( byte ) 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
*/
public int setUp( int initialCapacity ) {
int capacity;
capacity = super.setUp( initialCapacity );
_values = new byte[capacity];
return capacity;
}
/**
* rehashes the map to the new capacity.
*
* @param newCapacity an int
value
*/
protected void rehash( int newCapacity ) {
int oldCapacity = _set.length;
//noinspection unchecked
K oldKeys[] = ( K[] ) _set;
byte oldVals[] = _values;
_set = new Object[newCapacity];
Arrays.fill( _set, FREE );
_values = new byte[newCapacity];
Arrays.fill( _values, no_entry_value );
for ( int i = oldCapacity; i-- > 0; ) {
K o = oldKeys[i];
if( o != FREE && o != REMOVED ) {
int index = insertKey(o);
if ( index < 0 ) {
throwObjectContractViolation( _set[ (-index -1) ], o);
}
_values[index] = oldVals[i];
}
}
}
// Query Operations
/** {@inheritDoc} */
public byte getNoEntryValue() {
return no_entry_value;
}
/** {@inheritDoc} */
public boolean containsKey( Object key ) {
return contains( key );
}
/** {@inheritDoc} */
public boolean containsValue( byte val ) {
Object[] keys = _set;
byte[] vals = _values;
for ( int i = vals.length; i-- > 0; ) {
if ( keys[i] != FREE && keys[i] != REMOVED && val == vals[i] ) {
return true;
}
}
return false;
}
/** {@inheritDoc} */
public byte get( Object key ) {
int index = index( key );
return index < 0 ? no_entry_value : _values[index];
}
// Modification Operations
/** {@inheritDoc} */
public byte put( K key, byte value ) {
int index = insertKey( key );
return doPut( value, index );
}
/** {@inheritDoc} */
public byte putIfAbsent( K key, byte value ) {
int index = insertKey(key);
if ( index < 0 )
return _values[-index - 1];
return doPut( value, index );
}
private byte doPut( byte value, int index ) {
byte previous = no_entry_value;
boolean isNewMapping = true;
if ( index < 0 ) {
index = -index -1;
previous = _values[index];
isNewMapping = false;
}
//noinspection unchecked
_values[index] = value;
if ( isNewMapping ) {
postInsertHook( consumeFreeSlot );
}
return previous;
}
/** {@inheritDoc} */
public byte remove( Object key ) {
byte prev = no_entry_value;
int index = index(key);
if ( index >= 0 ) {
prev = _values[index];
removeAt( index ); // clear key,state; adjust size
}
return prev;
}
/**
* Removes the mapping at index from the map.
* This method is used internally and public mainly because
* of packaging reasons. Caveat Programmer.
*
* @param index an int
value
*/
protected void removeAt( int index ) {
_values[index] = no_entry_value;
super.removeAt( index ); // clear key, state; adjust size
}
// Bulk Operations
/** {@inheritDoc} */
public void putAll( Map extends K, ? extends Byte> map ) {
Set extends Map.Entry extends K,? extends Byte>> set = map.entrySet();
for ( Map.Entry extends K,? extends Byte> entry : set ) {
put( entry.getKey(), entry.getValue() );
}
}
/** {@inheritDoc} */
public void putAll( TObjectByteMap extends K> map ){
map.forEachEntry( PUT_ALL_PROC );
}
/** {@inheritDoc} */
public void clear() {
super.clear();
Arrays.fill( _set, 0, _set.length, FREE );
Arrays.fill( _values, 0, _values.length, no_entry_value );
}
// Views
/** {@inheritDoc} */
public Set keySet() {
return new KeyView();
}
/** {@inheritDoc} */
public Object[] keys() {
//noinspection unchecked
K[] keys = ( K[] ) new Object[size()];
Object[] k = _set;
for ( int i = k.length, j = 0; i-- > 0; ) {
if ( k[i] != FREE && k[i] != REMOVED ) {
//noinspection unchecked
keys[j++] = ( K ) k[i];
}
}
return keys;
}
/** {@inheritDoc} */
public K[] keys( K[] a ) {
int size = size();
if ( a.length < size ) {
//noinspection unchecked
a = ( K[] ) java.lang.reflect.Array.newInstance(
a.getClass().getComponentType(), size );
}
Object[] k = _set;
for ( int i = k.length, j = 0; i-- > 0; ) {
if ( k[i] != FREE && k[i] != REMOVED ) {
//noinspection unchecked
a[j++] = ( K ) k[i];
}
}
return a;
}
/** {@inheritDoc} */
public TByteCollection valueCollection() {
return new TByteValueCollection();
}
/** {@inheritDoc} */
public byte[] values() {
byte[] vals = new byte[size()];
byte[] v = _values;
Object[] keys = _set;
for ( int i = v.length, j = 0; i-- > 0; ) {
if ( keys[i] != FREE && keys[i] != REMOVED ) {
vals[j++] = v[i];
}
}
return vals;
}
/** {@inheritDoc} */
public byte[] values( byte[] array ) {
int size = size();
if ( array.length < size ) {
array = new byte[size];
}
byte[] v = _values;
Object[] keys = _set;
for ( int i = v.length, j = 0; i-- > 0; ) {
if ( keys[i] != FREE && keys[i] != REMOVED ) {
array[j++] = v[i];
}
}
if ( array.length > size ) {
array[size] = no_entry_value;
}
return array;
}
/**
* @return an iterator over the entries in this map
*/
public TObjectByteIterator iterator() {
return new TObjectByteHashIterator( this );
}
/** {@inheritDoc} */
@SuppressWarnings({"RedundantCast"})
public boolean increment( K key ) {
//noinspection RedundantCast
return adjustValue( key, (byte)1 );
}
/** {@inheritDoc} */
public boolean adjustValue( K key, byte amount ) {
int index = index(key);
if ( index < 0 ) {
return false;
} else {
_values[index] += amount;
return true;
}
}
/** {@inheritDoc} */
public byte adjustOrPutValue( final K key, final byte adjust_amount,
final byte put_amount ) {
int index = insertKey( key );
final boolean isNewMapping;
final byte newValue;
if ( index < 0 ) {
index = -index -1;
newValue = ( _values[index] += adjust_amount );
isNewMapping = false;
} else {
newValue = ( _values[index] = put_amount );
isNewMapping = true;
}
//noinspection unchecked
if ( isNewMapping ) {
postInsertHook( consumeFreeSlot );
}
return newValue;
}
/**
* Executes procedure for each key in the map.
*
* @param procedure a TObjectProcedure
value
* @return false if the loop over the keys terminated because
* the procedure returned false for some key.
*/
public boolean forEachKey( TObjectProcedure super K> procedure ) {
return forEach( procedure );
}
/**
* Executes procedure for each value in the map.
*
* @param procedure a TByteProcedure
value
* @return false if the loop over the values terminated because
* the procedure returned false for some value.
*/
public boolean forEachValue( TByteProcedure procedure ) {
Object[] keys = _set;
byte[] values = _values;
for ( int i = values.length; i-- > 0; ) {
if ( keys[i] != FREE && keys[i] != REMOVED
&& ! procedure.execute( values[i] ) ) {
return false;
}
}
return true;
}
/**
* Executes procedure for each key/value entry in the
* map.
*
* @param procedure a TOObjectByteProcedure
value
* @return false if the loop over the entries terminated because
* the procedure returned false for some entry.
*/
@SuppressWarnings({"unchecked"})
public boolean forEachEntry( TObjectByteProcedure super K> procedure ) {
Object[] keys = _set;
byte[] values = _values;
for ( int i = keys.length; i-- > 0; ) {
if ( keys[i] != FREE
&& keys[i] != REMOVED
&& ! procedure.execute( ( K ) keys[i], values[i] ) ) {
return false;
}
}
return true;
}
/**
* Retains only those entries in the map for which the procedure
* returns a true value.
*
* @param procedure determines which entries to keep
* @return true if the map was modified.
*/
public boolean retainEntries( TObjectByteProcedure super K> procedure ) {
boolean modified = false;
//noinspection unchecked
K[] keys = ( K[] ) _set;
byte[] values = _values;
// Temporarily disable compaction. This is a fix for bug #1738760
tempDisableAutoCompaction();
try {
for ( int i = keys.length; i-- > 0; ) {
if ( keys[i] != FREE
&& keys[i] != REMOVED
&& ! procedure.execute( keys[i], values[i] ) ) {
removeAt(i);
modified = true;
}
}
}
finally {
reenableAutoCompaction( true );
}
return modified;
}
/**
* Transform the values in this map using function.
*
* @param function a TByteFunction
value
*/
public void transformValues( TByteFunction function ) {
Object[] keys = _set;
byte[] values = _values;
for ( int i = values.length; i-- > 0; ) {
if ( keys[i] != null && keys[i] != REMOVED ) {
values[i] = function.execute( values[i] );
}
}
}
// Comparison and hashing
/**
* Compares this map with another map for equality of their stored
* entries.
*
* @param other an Object
value
* @return a boolean
value
*/
public boolean equals( Object other ) {
if ( ! ( other instanceof TObjectByteMap ) ) {
return false;
}
TObjectByteMap that = ( TObjectByteMap ) other;
if ( that.size() != this.size() ) {
return false;
}
try {
TObjectByteIterator iter = this.iterator();
while ( iter.hasNext() ) {
iter.advance();
Object key = iter.key();
byte value = iter.value();
if ( value == no_entry_value ) {
if ( !( that.get( key ) == that.getNoEntryValue() &&
that.containsKey( key ) ) ) {
return false;
}
} else {
if ( value != that.get( key ) ) {
return false;
}
}
}
} catch ( ClassCastException ex ) {
// unused.
}
return true;
}
/** {@inheritDoc} */
public int hashCode() {
int hashcode = 0;
Object[] keys = _set;
byte[] values = _values;
for ( int i = values.length; i-- > 0; ) {
if ( keys[i] != FREE && keys[i] != REMOVED ) {
hashcode += HashFunctions.hash( values[i] ) ^
( keys[i] == null ? 0 : keys[i].hashCode() );
}
}
return hashcode;
}
/** a view onto the keys of the map. */
protected class KeyView extends MapBackedView {
@SuppressWarnings({"unchecked"})
public Iterator iterator() {
return new TObjectHashIterator( TObjectByteCustomHashMap.this );
}
public boolean removeElement( K key ) {
return no_entry_value != TObjectByteCustomHashMap.this.remove( key );
}
public boolean containsElement( K key ) {
return TObjectByteCustomHashMap.this.contains( key );
}
}
private abstract class MapBackedView extends AbstractSet
implements Set, Iterable {
public abstract boolean removeElement( E key );
public abstract boolean containsElement( E key );
@SuppressWarnings({"unchecked"})
public boolean contains( Object key ) {
return containsElement( (E) key );
}
@SuppressWarnings({"unchecked"})
public boolean remove( Object o ) {
return removeElement( (E) o );
}
public void clear() {
TObjectByteCustomHashMap.this.clear();
}
public boolean add( E obj ) {
throw new UnsupportedOperationException();
}
public int size() {
return TObjectByteCustomHashMap.this.size();
}
public Object[] toArray() {
Object[] result = new Object[size()];
Iterator e = iterator();
for ( int i = 0; e.hasNext(); i++ ) {
result[i] = e.next();
}
return result;
}
public T[] toArray( T[] a ) {
int size = size();
if ( a.length < size ) {
//noinspection unchecked
a = (T[]) java.lang.reflect.Array.newInstance(
a.getClass().getComponentType(), size );
}
Iterator it = iterator();
Object[] result = a;
for ( int i = 0; i < size; i++ ) {
result[i] = it.next();
}
if ( a.length > size ) {
a[size] = null;
}
return a;
}
public boolean isEmpty() {
return TObjectByteCustomHashMap.this.isEmpty();
}
public boolean addAll( Collection extends E> collection ) {
throw new UnsupportedOperationException();
}
@SuppressWarnings({"SuspiciousMethodCalls"})
public boolean retainAll( Collection> collection ) {
boolean changed = false;
Iterator i = iterator();
while ( i.hasNext() ) {
if ( !collection.contains( i.next() ) ) {
i.remove();
changed = true;
}
}
return changed;
}
}
class TByteValueCollection implements TByteCollection {
/** {@inheritDoc} */
public TByteIterator iterator() {
return new TObjectByteValueHashIterator();
}
/** {@inheritDoc} */
public byte getNoEntryValue() {
return no_entry_value;
}
/** {@inheritDoc} */
public int size() {
return _size;
}
/** {@inheritDoc} */
public boolean isEmpty() {
return 0 == _size;
}
/** {@inheritDoc} */
public boolean contains( byte entry ) {
return TObjectByteCustomHashMap.this.containsValue( entry );
}
/** {@inheritDoc} */
public byte[] toArray() {
return TObjectByteCustomHashMap.this.values();
}
/** {@inheritDoc} */
public byte[] toArray( byte[] dest ) {
return TObjectByteCustomHashMap.this.values( dest );
}
public boolean add( byte entry ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean remove( byte entry ) {
byte[] values = _values;
Object[] 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 Byte ) {
byte ele = ( ( Byte ) element ).byteValue();
if ( ! TObjectByteCustomHashMap.this.containsValue( ele ) ) {
return false;
}
} else {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( TByteCollection collection ) {
TByteIterator iter = collection.iterator();
while ( iter.hasNext() ) {
if ( ! TObjectByteCustomHashMap.this.containsValue( iter.next() ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll( byte[] array ) {
for ( byte element : array ) {
if ( ! TObjectByteCustomHashMap.this.containsValue( element ) ) {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean addAll( Collection extends Byte> collection ) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public boolean addAll( TByteCollection collection ) {
throw new UnsupportedOperationException();
}
/** {@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[] values = _values;
Object[] set = _set;
for ( int i = set.length; i-- > 0; ) {
if ( set[i] != FREE
&& set[i] != REMOVED
&& ( 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 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() {
TObjectByteCustomHashMap.this.clear();
}
/** {@inheritDoc} */
public boolean forEach( TByteProcedure procedure ) {
return TObjectByteCustomHashMap.this.forEachValue( procedure );
}
@Override
public String toString() {
final StringBuilder buf = new StringBuilder( "{" );
forEachValue( new TByteProcedure() {
private boolean first = true;
public boolean execute( byte value ) {
if ( first ) {
first = false;
} else {
buf.append( ", " );
}
buf.append( value );
return true;
}
} );
buf.append( "}" );
return buf.toString();
}
class TObjectByteValueHashIterator implements TByteIterator {
protected THash _hash = TObjectByteCustomHashMap.this;
/**
* the number of elements this iterator believes are in the
* data structure it accesses.
*/
protected int _expectedSize;
/** the index used for iteration. */
protected int _index;
/** Creates an iterator over the specified map */
TObjectByteValueHashIterator() {
_expectedSize = _hash.size();
_index = _hash.capacity();
}
/** {@inheritDoc} */
public boolean hasNext() {
return nextIndex() >= 0;
}
/** {@inheritDoc} */
public byte 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();
TObjectByteCustomHashMap.this.removeAt( _index );
}
finally {
_hash.reenableAutoCompaction( false );
}
_expectedSize--;
}
/**
* Sets the internal index so that the `next' object
* can be returned.
*/
protected final void moveToNextIndex() {
// doing the assignment && < 0 in one line shaves
// 3 opcodes...
if ( ( _index = nextIndex() ) < 0 ) {
throw new NoSuchElementException();
}
}
/**
* Returns the index of the next value in the data structure
* or a negative value if the iterator is exhausted.
*
* @return an int
value
* @throws java.util.ConcurrentModificationException
* if the underlying
* collection's size has been modified since the iterator was
* created.
*/
protected final int nextIndex() {
if ( _expectedSize != _hash.size() ) {
throw new ConcurrentModificationException();
}
Object[] set = TObjectByteCustomHashMap.this._set;
int i = _index;
while ( i-- > 0 && ( set[i] == TCustomObjectHash.FREE ||
set[i] == TCustomObjectHash.REMOVED ) ) {
;
}
return i;
}
}
}
class TObjectByteHashIterator extends TObjectHashIterator
implements TObjectByteIterator {
/** the collection being iterated over */
private final TObjectByteCustomHashMap _map;
public TObjectByteHashIterator( TObjectByteCustomHashMap map ) {
super( map );
this._map = map;
}
/** {@inheritDoc} */
public void advance() {
moveToNextIndex();
}
/** {@inheritDoc} */
@SuppressWarnings({"unchecked"})
public K key() {
return ( K ) _map._set[_index];
}
/** {@inheritDoc} */
public byte value() {
return _map._values[_index];
}
/** {@inheritDoc} */
public byte setValue( byte val ) {
byte old = value();
_map._values[_index] = val;
return old;
}
}
// Externalization
public void writeExternal( ObjectOutput out ) throws IOException {
// VERSION
out.writeByte( 0 );
// SUPER
super.writeExternal( out );
// STRATEGY
out.writeObject( strategy );
// NO_ENTRY_VALUE
out.writeByte( no_entry_value );
// NUMBER OF ENTRIES
out.writeInt( _size );
// ENTRIES
for ( int i = _set.length; i-- > 0; ) {
if ( _set[i] != REMOVED && _set[i] != FREE ) {
out.writeObject( _set[i] );
out.writeByte( _values[i] );
}
}
}
public void readExternal( ObjectInput in )
throws IOException, ClassNotFoundException {
// VERSION
in.readByte();
// SUPER
super.readExternal( in );
// STRATEGY
strategy = ( HashingStrategy ) in.readObject();
// NO_ENTRY_VALUE
no_entry_value = in.readByte();
// NUMBER OF ENTRIES
int size = in.readInt();
setUp( size );
// ENTRIES
while (size-- > 0) {
//noinspection unchecked
K key = ( K ) in.readObject();
byte val = in.readByte();
put(key, val);
}
}
/** {@inheritDoc} */
public String toString() {
final StringBuilder buf = new StringBuilder("{");
forEachEntry( new TObjectByteProcedure() {
private boolean first = true;
public boolean execute( K key, byte value ) {
if ( first ) first = false;
else buf.append( "," );
buf.append( key ).append( "=" ).append( value );
return true;
}
});
buf.append( "}" );
return buf.toString();
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy