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/* Generic definitions */
/* Assertions (useful to generate conditional code) */
/* Current type and class (and size, if applicable) */
/* Value methods */
/* Interfaces (keys) */
/* Interfaces (values) */
/* Abstract implementations (keys) */
/* Abstract implementations (values) */
/* Static containers (keys) */
/* Static containers (values) */
/* Implementations */
/* Synchronized wrappers */
/* Unmodifiable wrappers */
/* Other wrappers */
/* Methods (keys) */
/* Methods (values) */
/* Methods (keys/values) */
/* Methods that have special names depending on keys (but the special names depend on values) */
/* Equality */
/* Object/Reference-only definitions (keys) */
/* Primitive-type-only definitions (keys) */
/* Object/Reference-only definitions (values) */
/* Primitive-type-only definitions (values) */
/*
* Copyright (C) 2002-2015 Sebastiano Vigna
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package it.unimi.dsi.fastutil.doubles;
import it.unimi.dsi.fastutil.objects.ObjectSet;
import it.unimi.dsi.fastutil.objects.ObjectSets;
import it.unimi.dsi.fastutil.bytes.ByteCollection;
import it.unimi.dsi.fastutil.bytes.ByteCollections;
import it.unimi.dsi.fastutil.bytes.ByteSets;
import java.util.Map;
/** A class providing static methods and objects that do useful things with type-specific maps.
*
* @see it.unimi.dsi.fastutil.Maps
* @see java.util.Collections */
public class Double2ByteMaps {
private Double2ByteMaps() {}
/** An immutable class representing an empty type-specific map.
*
* This class may be useful to implement your own in case you subclass a type-specific map. */
public static class EmptyMap extends Double2ByteFunctions.EmptyFunction implements Double2ByteMap, java.io.Serializable, Cloneable {
private static final long serialVersionUID = -7046029254386353129L;
protected EmptyMap() {}
public boolean containsValue( final byte v ) {
return false;
}
public void putAll( final Map m ) {
throw new UnsupportedOperationException();
}
@SuppressWarnings("unchecked")
public ObjectSet double2ByteEntrySet() {
return ObjectSets.EMPTY_SET;
}
public DoubleSet keySet() {
return DoubleSets.EMPTY_SET;
}
public ByteCollection values() {
return ByteSets.EMPTY_SET;
}
public boolean containsValue( final Object ov ) {
return false;
}
private Object readResolve() {
return EMPTY_MAP;
}
public Object clone() {
return EMPTY_MAP;
}
public boolean isEmpty() {
return true;
}
@SuppressWarnings({ "rawtypes", "unchecked" })
public ObjectSet> entrySet() {
return (ObjectSet)double2ByteEntrySet();
}
public int hashCode() {
return 0;
}
public boolean equals( final Object o ) {
if ( !( o instanceof Map ) ) return false;
return ( (Map)o ).isEmpty();
}
public String toString() {
return "{}";
}
}
/** An empty type-specific map (immutable). It is serializable and cloneable. */
public static final EmptyMap EMPTY_MAP = new EmptyMap();
/** An immutable class representing a type-specific singleton map.
*
* This class may be useful to implement your own in case you subclass a type-specific map. */
public static class Singleton extends Double2ByteFunctions.Singleton implements Double2ByteMap, java.io.Serializable, Cloneable {
private static final long serialVersionUID = -7046029254386353129L;
protected transient volatile ObjectSet entries;
protected transient volatile DoubleSet keys;
protected transient volatile ByteCollection values;
protected Singleton( final double key, final byte value ) {
super( key, value );
}
public boolean containsValue( final byte v ) {
return ( ( value ) == ( v ) );
}
public boolean containsValue( final Object ov ) {
return ( ( ( ( ( (Byte)( ov ) ).byteValue() ) ) ) == ( value ) );
}
public void putAll( final Map m ) {
throw new UnsupportedOperationException();
}
public ObjectSet double2ByteEntrySet() {
if ( entries == null ) entries = ObjectSets.singleton( (Double2ByteMap.Entry)new SingletonEntry() );
return entries;
}
public DoubleSet keySet() {
if ( keys == null ) keys = DoubleSets.singleton( key );
return keys;
}
public ByteCollection values() {
if ( values == null ) values = ByteSets.singleton( value );
return values;
}
protected class SingletonEntry implements Double2ByteMap.Entry, Map.Entry {
public Double getKey() {
return ( Double.valueOf( Singleton.this.key ) );
}
public Byte getValue() {
return ( Byte.valueOf( Singleton.this.value ) );
}
public double getDoubleKey() {
return Singleton.this.key;
}
public byte getByteValue() {
return Singleton.this.value;
}
public byte setValue( final byte value ) {
throw new UnsupportedOperationException();
}
public Byte setValue( final Byte value ) {
throw new UnsupportedOperationException();
}
public boolean equals( final Object o ) {
if ( !( o instanceof Map.Entry ) ) return false;
Map.Entry e = (Map.Entry)o;
return ( Double.doubleToLongBits( Singleton.this.key ) == Double.doubleToLongBits( ( ( ( (Double)( e.getKey() ) ).doubleValue() ) ) ) )
&& ( ( Singleton.this.value ) == ( ( ( ( (Byte)( e.getValue() ) ).byteValue() ) ) ) );
}
public int hashCode() {
return it.unimi.dsi.fastutil.HashCommon.double2int( Singleton.this.key ) ^ ( Singleton.this.value );
}
public String toString() {
return Singleton.this.key + "->" + Singleton.this.value;
}
}
public boolean isEmpty() {
return false;
}
@SuppressWarnings({ "rawtypes", "unchecked" })
public ObjectSet> entrySet() {
return (ObjectSet)double2ByteEntrySet();
}
public int hashCode() {
return it.unimi.dsi.fastutil.HashCommon.double2int( key ) ^ ( value );
}
public boolean equals( final Object o ) {
if ( o == this ) return true;
if ( !( o instanceof Map ) ) return false;
Map m = (Map)o;
if ( m.size() != 1 ) return false;
return entrySet().iterator().next().equals( m.entrySet().iterator().next() );
}
public String toString() {
return "{" + key + "=>" + value + "}";
}
}
/** Returns a type-specific immutable map containing only the specified pair. The returned map is serializable and cloneable.
*
* Note that albeit the returned map is immutable, its default return value may be changed.
*
* @param key the only key of the returned map.
* @param value the only value of the returned map.
* @return a type-specific immutable map containing just the pair <key,value>. */
public static Double2ByteMap singleton( final double key, byte value ) {
return new Singleton( key, value );
}
/** Returns a type-specific immutable map containing only the specified pair. The returned map is serializable and cloneable.
*
*
Note that albeit the returned map is immutable, its default return value may be changed.
*
* @param key the only key of the returned map.
* @param value the only value of the returned map.
* @return a type-specific immutable map containing just the pair <key,value>. */
public static Double2ByteMap singleton( final Double key, final Byte value ) {
return new Singleton( ( ( key ).doubleValue() ), ( ( value ).byteValue() ) );
}
/** A synchronized wrapper class for maps. */
public static class SynchronizedMap extends Double2ByteFunctions.SynchronizedFunction implements Double2ByteMap, java.io.Serializable {
private static final long serialVersionUID = -7046029254386353129L;
protected final Double2ByteMap map;
protected transient volatile ObjectSet entries;
protected transient volatile DoubleSet keys;
protected transient volatile ByteCollection values;
protected SynchronizedMap( final Double2ByteMap m, final Object sync ) {
super( m, sync );
this.map = m;
}
protected SynchronizedMap( final Double2ByteMap m ) {
super( m );
this.map = m;
}
public int size() {
synchronized ( sync ) {
return map.size();
}
}
public boolean containsKey( final double k ) {
synchronized ( sync ) {
return map.containsKey( k );
}
}
public boolean containsValue( final byte v ) {
synchronized ( sync ) {
return map.containsValue( v );
}
}
public byte defaultReturnValue() {
synchronized ( sync ) {
return map.defaultReturnValue();
}
}
public void defaultReturnValue( final byte defRetValue ) {
synchronized ( sync ) {
map.defaultReturnValue( defRetValue );
}
}
public byte put( final double k, final byte v ) {
synchronized ( sync ) {
return map.put( k, v );
}
}
// public void putAll( final MAP KEY_VALUE_EXTENDS_GENERIC c ) { synchronized( sync ) { map.putAll( c ); } }
public void putAll( final Map m ) {
synchronized ( sync ) {
map.putAll( m );
}
}
public ObjectSet double2ByteEntrySet() {
if ( entries == null ) entries = ObjectSets.synchronize( map.double2ByteEntrySet(), sync );
return entries;
}
public DoubleSet keySet() {
if ( keys == null ) keys = DoubleSets.synchronize( map.keySet(), sync );
return keys;
}
public ByteCollection values() {
if ( values == null ) return ByteCollections.synchronize( map.values(), sync );
return values;
}
public void clear() {
synchronized ( sync ) {
map.clear();
}
}
public String toString() {
synchronized ( sync ) {
return map.toString();
}
}
public Byte put( final Double k, final Byte v ) {
synchronized ( sync ) {
return map.put( k, v );
}
}
public byte remove( final double k ) {
synchronized ( sync ) {
return map.remove( k );
}
}
public byte get( final double k ) {
synchronized ( sync ) {
return map.get( k );
}
}
public boolean containsKey( final Object ok ) {
synchronized ( sync ) {
return map.containsKey( ok );
}
}
public boolean containsValue( final Object ov ) {
synchronized ( sync ) {
return map.containsValue( ov );
}
}
public boolean isEmpty() {
synchronized ( sync ) {
return map.isEmpty();
}
}
public ObjectSet> entrySet() {
synchronized ( sync ) {
return map.entrySet();
}
}
public int hashCode() {
synchronized ( sync ) {
return map.hashCode();
}
}
public boolean equals( final Object o ) {
synchronized ( sync ) {
return map.equals( o );
}
}
}
/** Returns a synchronized type-specific map backed by the given type-specific map.
*
* @param m the map to be wrapped in a synchronized map.
* @return a synchronized view of the specified map.
* @see java.util.Collections#synchronizedMap(Map) */
public static Double2ByteMap synchronize( final Double2ByteMap m ) {
return new SynchronizedMap( m );
}
/** Returns a synchronized type-specific map backed by the given type-specific map, using an assigned object to synchronize.
*
* @param m the map to be wrapped in a synchronized map.
* @param sync an object that will be used to synchronize the access to the map.
* @return a synchronized view of the specified map.
* @see java.util.Collections#synchronizedMap(Map) */
public static Double2ByteMap synchronize( final Double2ByteMap m, final Object sync ) {
return new SynchronizedMap( m, sync );
}
/** An unmodifiable wrapper class for maps. */
public static class UnmodifiableMap extends Double2ByteFunctions.UnmodifiableFunction implements Double2ByteMap, java.io.Serializable {
private static final long serialVersionUID = -7046029254386353129L;
protected final Double2ByteMap map;
protected transient volatile ObjectSet entries;
protected transient volatile DoubleSet keys;
protected transient volatile ByteCollection values;
protected UnmodifiableMap( final Double2ByteMap m ) {
super( m );
this.map = m;
}
public int size() {
return map.size();
}
public boolean containsKey( final double k ) {
return map.containsKey( k );
}
public boolean containsValue( final byte v ) {
return map.containsValue( v );
}
public byte defaultReturnValue() {
throw new UnsupportedOperationException();
}
public void defaultReturnValue( final byte defRetValue ) {
throw new UnsupportedOperationException();
}
public byte put( final double k, final byte v ) {
throw new UnsupportedOperationException();
}
// public void putAll( final MAP KEY_VALUE_EXTENDS_GENERIC c ) { throw new UnsupportedOperationException(); }
public void putAll( final Map m ) {
throw new UnsupportedOperationException();
}
public ObjectSet double2ByteEntrySet() {
if ( entries == null ) entries = ObjectSets.unmodifiable( map.double2ByteEntrySet() );
return entries;
}
public DoubleSet keySet() {
if ( keys == null ) keys = DoubleSets.unmodifiable( map.keySet() );
return keys;
}
public ByteCollection values() {
if ( values == null ) return ByteCollections.unmodifiable( map.values() );
return values;
}
public void clear() {
throw new UnsupportedOperationException();
}
public String toString() {
return map.toString();
}
public Byte put( final Double k, final Byte v ) {
throw new UnsupportedOperationException();
}
public byte remove( final double k ) {
throw new UnsupportedOperationException();
}
public byte get( final double k ) {
return map.get( k );
}
public boolean containsKey( final Object ok ) {
return map.containsKey( ok );
}
public boolean containsValue( final Object ov ) {
return map.containsValue( ov );
}
public boolean isEmpty() {
return map.isEmpty();
}
public ObjectSet> entrySet() {
return ObjectSets.unmodifiable( map.entrySet() );
}
}
/** Returns an unmodifiable type-specific map backed by the given type-specific map.
*
* @param m the map to be wrapped in an unmodifiable map.
* @return an unmodifiable view of the specified map.
* @see java.util.Collections#unmodifiableMap(Map) */
public static Double2ByteMap unmodifiable( final Double2ByteMap m ) {
return new UnmodifiableMap( m );
}
}