com.google.common.collect.RegularImmutableSortedMap Maven / Gradle / Ivy
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This artifact provides a single jar that contains all classes required to use remote Jakarta Enterprise Beans and Jakarta Messaging, including
all dependencies. It is intended for use by those not using maven, maven users should just import the Jakarta Enterprise Beans and
Jakarta Messaging BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up
with different versions on classes on the class path).
/*
* Copyright (C) 2012 The Guava Authors
*
* 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 com.google.common.collect;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.common.annotations.GwtCompatible;
import javax.annotation.Nullable;
/**
* An implementation of an immutable sorted map with one or more entries.
*
* @author Louis Wasserman
*/
@GwtCompatible(emulated = true)
@SuppressWarnings("serial") // uses writeReplace, not default serialization
final class RegularImmutableSortedMap extends ImmutableSortedMap {
private final transient RegularImmutableSortedSet keySet;
private final transient ImmutableList valueList;
RegularImmutableSortedMap(RegularImmutableSortedSet keySet, ImmutableList valueList) {
this.keySet = keySet;
this.valueList = valueList;
}
RegularImmutableSortedMap(
RegularImmutableSortedSet keySet,
ImmutableList valueList,
ImmutableSortedMap descendingMap) {
super(descendingMap);
this.keySet = keySet;
this.valueList = valueList;
}
@Override
ImmutableSet> createEntrySet() {
return new EntrySet();
}
private class EntrySet extends ImmutableMapEntrySet {
@Override
public UnmodifiableIterator> iterator() {
return asList().iterator();
}
@Override
ImmutableList> createAsList() {
return new ImmutableAsList>() {
// avoid additional indirection
private final ImmutableList keyList = keySet().asList();
@Override
public Entry get(int index) {
return Maps.immutableEntry(keyList.get(index), valueList.get(index));
}
@Override
ImmutableCollection> delegateCollection() {
return EntrySet.this;
}
};
}
@Override
ImmutableMap map() {
return RegularImmutableSortedMap.this;
}
}
@Override
public ImmutableSortedSet keySet() {
return keySet;
}
@Override
public ImmutableCollection values() {
return valueList;
}
@Override
public V get(@Nullable Object key) {
int index = keySet.indexOf(key);
return (index == -1) ? null : valueList.get(index);
}
private ImmutableSortedMap getSubMap(int fromIndex, int toIndex) {
if (fromIndex == 0 && toIndex == size()) {
return this;
} else if (fromIndex == toIndex) {
return emptyMap(comparator());
} else {
return from(
keySet.getSubSet(fromIndex, toIndex),
valueList.subList(fromIndex, toIndex));
}
}
@Override
public ImmutableSortedMap headMap(K toKey, boolean inclusive) {
return getSubMap(0, keySet.headIndex(checkNotNull(toKey), inclusive));
}
@Override
public ImmutableSortedMap tailMap(K fromKey, boolean inclusive) {
return getSubMap(keySet.tailIndex(checkNotNull(fromKey), inclusive), size());
}
@Override
ImmutableSortedMap createDescendingMap() {
return new RegularImmutableSortedMap(
(RegularImmutableSortedSet) keySet.descendingSet(),
valueList.reverse(),
this);
}
}
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