All Downloads are FREE. Search and download functionalities are using the official Maven repository.

it.unimi.dsi.fastutil.floats.Float2LongSortedMaps Maven / Gradle / Ivy

Go to download

fastutil extends the Java Collections Framework by providing type-specific maps, sets, lists and priority queues with a small memory footprint and fast access and insertion; provides also big (64-bit) arrays, sets and lists, and fast, practical I/O classes for binary and text files.

There is a newer version: 8.5.15
Show newest version
/*
	* Copyright (C) 2002-2017 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.floats;
import it.unimi.dsi.fastutil.objects.ObjectSortedSet;
import it.unimi.dsi.fastutil.objects.ObjectSortedSets;
import java.util.Comparator;
import java.util.Map;
import java.util.SortedMap;
import java.util.NoSuchElementException;
/** A class providing static methods and objects that do useful things with type-specific sorted maps.
	*
	* @see java.util.Collections
	*/
public class Float2LongSortedMaps {
	private Float2LongSortedMaps() {}
	/** Returns a comparator for entries based on a given comparator on keys.
	 *
	 * @param comparator a comparator on keys.
	 * @return the associated comparator on entries.
	 */
	public static Comparator> entryComparator(final FloatComparator comparator) {
	 return new Comparator>() {
	  public int compare(Map.Entry x, Map.Entry y) {
	   return comparator.compare(x.getKey(), y.getKey());
	  }
	 };
	}
	/** An immutable class representing an empty type-specific sorted map.
	 *
	 * 

This class may be useful to implement your own in case you subclass * a type-specific sorted map. */ public static class EmptySortedMap extends Float2LongMaps.EmptyMap implements Float2LongSortedMap , java.io.Serializable, Cloneable { private static final long serialVersionUID = -7046029254386353129L; protected EmptySortedMap() {} @Override public FloatComparator comparator() { return null; } @SuppressWarnings("unchecked") @Override public ObjectSortedSet float2LongEntrySet() { return ObjectSortedSets.EMPTY_SET; } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override @SuppressWarnings("unchecked") public ObjectSortedSet> entrySet() { return ObjectSortedSets.EMPTY_SET; } @Override public FloatSortedSet keySet() { return FloatSortedSets.EMPTY_SET; } @Override public Float2LongSortedMap subMap(final float from, final float to) { return EMPTY_MAP; } @Override public Float2LongSortedMap headMap(final float to) { return EMPTY_MAP; } @Override public Float2LongSortedMap tailMap(final float from) { return EMPTY_MAP; } @Override public float firstFloatKey() { throw new NoSuchElementException(); } @Override public float lastFloatKey() { throw new NoSuchElementException(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float2LongSortedMap headMap(Float oto) { return headMap(((oto).floatValue())); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float2LongSortedMap tailMap(Float ofrom) { return tailMap(((ofrom).floatValue())); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float2LongSortedMap subMap(Float ofrom, Float oto) { return subMap(((ofrom).floatValue()), ((oto).floatValue())); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float firstKey() { return (Float.valueOf(firstFloatKey())); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float lastKey() { return (Float.valueOf(lastFloatKey())); } } /** An empty sorted map (immutable). It is serializable and cloneable. */ public static final EmptySortedMap EMPTY_MAP = new EmptySortedMap(); /** An immutable class representing a type-specific singleton sorted map. * *

This class may be useful to implement your own in case you subclass * a type-specific sorted map. */ public static class Singleton extends Float2LongMaps.Singleton implements Float2LongSortedMap , java.io.Serializable, Cloneable { private static final long serialVersionUID = -7046029254386353129L; protected final FloatComparator comparator; protected Singleton(final float key, final long value, FloatComparator comparator) { super(key, value); this.comparator = comparator; } protected Singleton(final float key, final long value) { this(key, value, null); } final int compare(final float k1, final float k2) { return comparator == null ? ( Float.compare((k1),(k2)) ) : comparator.compare(k1, k2); } @Override public FloatComparator comparator() { return comparator; } @Override public ObjectSortedSet float2LongEntrySet() { if (entries == null) entries = ObjectSortedSets.singleton((Float2LongMap.Entry )new AbstractFloat2LongMap.BasicEntry (key, value), (Comparator)entryComparator(comparator)); return (ObjectSortedSet)entries; } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override @SuppressWarnings({ "rawtypes", "unchecked" }) public ObjectSortedSet> entrySet() { return (ObjectSortedSet)float2LongEntrySet(); } @Override public FloatSortedSet keySet() { if (keys == null) keys = FloatSortedSets.singleton(key, comparator); return (FloatSortedSet )keys; } @Override public Float2LongSortedMap subMap(final float from, final float to) { if (compare(from, key) <= 0 && compare(key, to) < 0) return this; return EMPTY_MAP; } @Override public Float2LongSortedMap headMap(final float to) { if (compare(key, to) < 0) return this; return EMPTY_MAP; } @Override public Float2LongSortedMap tailMap(final float from) { if (compare(from, key) <= 0) return this; return EMPTY_MAP; } @Override public float firstFloatKey() { return key; } @Override public float lastFloatKey() { return key; } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float2LongSortedMap headMap(Float oto) { return headMap(((oto).floatValue())); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float2LongSortedMap tailMap(Float ofrom) { return tailMap(((ofrom).floatValue())); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float2LongSortedMap subMap(Float ofrom, Float oto) { return subMap(((ofrom).floatValue()), ((oto).floatValue())); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float firstKey() { return (Float.valueOf(firstFloatKey())); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float lastKey() { return (Float.valueOf(lastFloatKey())); } } /** Returns a type-specific immutable sorted map containing only the specified pair. The returned sorted 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 sorted map. * @param value the only value of the returned sorted map. * @return a type-specific immutable sorted map containing just the pair <key,value>. */ public static Float2LongSortedMap singleton(final Float key, Long value) { return new Singleton (((key).floatValue()), ((value).longValue())); } /** RETURNS a type-specific immutable sorted map containing only the specified pair. The returned sorted 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 sorted map. * @param value the only value of the returned sorted map. * @param comparator the comparator to use in the returned sorted map. * @return a type-specific immutable sorted map containing just the pair <key,value>. */ public static Float2LongSortedMap singleton(final Float key, Long value, FloatComparator comparator) { return new Singleton (((key).floatValue()), ((value).longValue()), comparator); } /** Returns a type-specific immutable sorted map containing only the specified pair. The returned sorted 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 sorted map. * @param value the only value of the returned sorted map. * @return a type-specific immutable sorted map containing just the pair <key,value>. */ public static Float2LongSortedMap singleton(final float key, final long value) { return new Singleton (key, value); } /** Returns a type-specific immutable sorted map containing only the specified pair. The returned sorted 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 sorted map. * @param value the only value of the returned sorted map. * @param comparator the comparator to use in the returned sorted map. * @return a type-specific immutable sorted map containing just the pair <key,value>. */ public static Float2LongSortedMap singleton(final float key, final long value, FloatComparator comparator) { return new Singleton (key, value, comparator); } /** A synchronized wrapper class for sorted maps. */ public static class SynchronizedSortedMap extends Float2LongMaps.SynchronizedMap implements Float2LongSortedMap , java.io.Serializable { private static final long serialVersionUID = -7046029254386353129L; protected final Float2LongSortedMap sortedMap; protected SynchronizedSortedMap(final Float2LongSortedMap m, final Object sync) { super(m, sync); sortedMap = m; } protected SynchronizedSortedMap(final Float2LongSortedMap m) { super(m); sortedMap = m; } @Override public FloatComparator comparator() { synchronized(sync) { return sortedMap.comparator(); } } @Override public ObjectSortedSet float2LongEntrySet() { if (entries == null) entries = ObjectSortedSets.synchronize(sortedMap.float2LongEntrySet(), sync); return (ObjectSortedSet)entries; } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override @SuppressWarnings({ "rawtypes", "unchecked" }) public ObjectSortedSet> entrySet() { return (ObjectSortedSet)float2LongEntrySet(); } @Override public FloatSortedSet keySet() { if (keys == null) keys = FloatSortedSets.synchronize(sortedMap.keySet(), sync); return (FloatSortedSet )keys; } @Override public Float2LongSortedMap subMap(final float from, final float to) { return new SynchronizedSortedMap (sortedMap.subMap(from, to), sync); } @Override public Float2LongSortedMap headMap(final float to) { return new SynchronizedSortedMap (sortedMap.headMap(to), sync); } @Override public Float2LongSortedMap tailMap(final float from) { return new SynchronizedSortedMap (sortedMap.tailMap(from), sync); } @Override public float firstFloatKey() { synchronized(sync) { return sortedMap.firstFloatKey(); } } @Override public float lastFloatKey() { synchronized(sync) { return sortedMap.lastFloatKey(); } } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float firstKey() { synchronized(sync) { return sortedMap.firstKey(); } } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float lastKey() { synchronized(sync) { return sortedMap.lastKey(); } } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float2LongSortedMap subMap(final Float from, final Float to) { return new SynchronizedSortedMap (sortedMap.subMap(from, to), sync); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float2LongSortedMap headMap(final Float to) { return new SynchronizedSortedMap (sortedMap.headMap(to), sync); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float2LongSortedMap tailMap(final Float from) { return new SynchronizedSortedMap (sortedMap.tailMap(from), sync); } } /** Returns a synchronized type-specific sorted map backed by the given type-specific sorted map. * * @param m the sorted map to be wrapped in a synchronized sorted map. * @return a synchronized view of the specified sorted map. * @see java.util.Collections#synchronizedSortedMap(SortedMap) */ public static Float2LongSortedMap synchronize(final Float2LongSortedMap m) { return new SynchronizedSortedMap (m); } /** Returns a synchronized type-specific sorted map backed by the given type-specific sorted map, using an assigned object to synchronize. * * @param m the sorted map to be wrapped in a synchronized sorted map. * @param sync an object that will be used to synchronize the access to the sorted sorted map. * @return a synchronized view of the specified sorted map. * @see java.util.Collections#synchronizedSortedMap(SortedMap) */ public static Float2LongSortedMap synchronize(final Float2LongSortedMap m, final Object sync) { return new SynchronizedSortedMap (m, sync); } /** An unmodifiable wrapper class for sorted maps. */ public static class UnmodifiableSortedMap extends Float2LongMaps.UnmodifiableMap implements Float2LongSortedMap , java.io.Serializable { private static final long serialVersionUID = -7046029254386353129L; protected final Float2LongSortedMap sortedMap; protected UnmodifiableSortedMap(final Float2LongSortedMap m) { super(m); sortedMap = m; } @Override public FloatComparator comparator() { return sortedMap.comparator(); } @Override public ObjectSortedSet float2LongEntrySet() { if (entries == null) entries = ObjectSortedSets.unmodifiable(sortedMap.float2LongEntrySet()); return (ObjectSortedSet)entries; } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override @SuppressWarnings({ "rawtypes", "unchecked" }) public ObjectSortedSet> entrySet() { return (ObjectSortedSet)float2LongEntrySet(); } @Override public FloatSortedSet keySet() { if (keys == null) keys = FloatSortedSets.unmodifiable(sortedMap.keySet()); return (FloatSortedSet )keys; } @Override public Float2LongSortedMap subMap(final float from, final float to) { return new UnmodifiableSortedMap (sortedMap.subMap(from, to)); } @Override public Float2LongSortedMap headMap(final float to) { return new UnmodifiableSortedMap (sortedMap.headMap(to)); } @Override public Float2LongSortedMap tailMap(final float from) { return new UnmodifiableSortedMap (sortedMap.tailMap(from)); } @Override public float firstFloatKey() { return sortedMap.firstFloatKey(); } @Override public float lastFloatKey() { return sortedMap.lastFloatKey(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float firstKey() { return sortedMap.firstKey(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float lastKey() { return sortedMap.lastKey(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float2LongSortedMap subMap(final Float from, final Float to) { return new UnmodifiableSortedMap (sortedMap.subMap(from, to)); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float2LongSortedMap headMap(final Float to) { return new UnmodifiableSortedMap (sortedMap.headMap(to)); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public Float2LongSortedMap tailMap(final Float from) { return new UnmodifiableSortedMap (sortedMap.tailMap(from)); } } /** Returns an unmodifiable type-specific sorted map backed by the given type-specific sorted map. * * @param m the sorted map to be wrapped in an unmodifiable sorted map. * @return an unmodifiable view of the specified sorted map. * @see java.util.Collections#unmodifiableSortedMap(SortedMap) */ public static Float2LongSortedMap unmodifiable(final Float2LongSortedMap m) { return new UnmodifiableSortedMap (m); } }





© 2015 - 2024 Weber Informatics LLC | Privacy Policy