/* with DHash|QHash|LHash hash */
/*
* Copyright 2014 the original author or 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 net.openhft.koloboke.collect.impl.hash;
import net.openhft.koloboke.collect.*;
import net.openhft.koloboke.collect.hash.*;
import net.openhft.koloboke.collect.set.ObjSet;
import net.openhft.koloboke.collect.set.hash.HashObjSetFactory;
import javax.annotation.Nonnull;
import java.util.Collection;
import java.util.Set;
public abstract class DHashObjSetFactorySO<E> extends ObjHashFactorySO<E>
implements HashObjSetFactory<E> {
DHashObjSetFactorySO(HashConfig hashConf, int defaultExpectedSize, boolean isNullAllowed) {
super(hashConf, defaultExpectedSize, isNullAllowed);
}
String keySpecialString() {
return ",equivalence=" + getEquivalence() +
",nullKeyAllowed=" + isNullKeyAllowed();
}
boolean keySpecialEquals(HashObjSetFactory<?> other) {
return getEquivalence().equals(other.getEquivalence()) &&
isNullKeyAllowed() == other.isNullKeyAllowed();
}
@Nonnull
@Override
public Equivalence<E> getEquivalence() {
return Equivalence.defaultEquality();
}
/* with Mutable|Updatable|Immutable mutability */
<E2 extends E> MutableDHashObjSetGO<E2> uninitializedMutableSet() {
return new MutableDHashObjSet<E2>();
}
/* endwith */
/* with Mutable|Updatable mutability */
@Override
@Nonnull
public <E2 extends E> MutableDHashObjSetGO<E2> newMutableSet(int expectedSize) {
MutableDHashObjSetGO<E2> set = uninitializedMutableSet();
set.init(configWrapper, expectedSize);
return set;
}
/* if Updatable mutability */
@Override
@Nonnull
public <E2 extends E> MutableDHashObjSetGO<E2> newMutableSet(Iterable<? extends E2> elements,
int expectedSize) {
if (elements instanceof ObjCollection) {
int size;
if (elements instanceof ObjSet) {
ObjSet elemSet = (ObjSet) elements;
if (elements instanceof SeparateKVObjDHash) {
SeparateKVObjDHash hash = (SeparateKVObjDHash) elements;
if (hash.hashConfig().equals(hashConf) &&
elemSet.equivalence().equals(getEquivalence())) {
MutableDHashObjSetGO<E2> set = uninitializedMutableSet();
set.copy(hash);
return set;
}
}
if (elemSet.equivalence().equals(getEquivalence())) {
size = elemSet.size();
} else {
size = expectedSize;
}
} else {
size = expectedSize;
}
MutableDHashObjSetGO<E2> set = newMutableSet(size);
// noinspection unchecked
set.addAll((Collection<? extends E2>) elements);
return set;
} else {
int size = getEquivalence() == null && elements instanceof Set ?
((Set) elements).size() :
expectedSize;
MutableDHashObjSetGO<E2> set = newMutableSet(size);
for (E2 e : elements) {
set.add(e);
}
return set;
}
}
/* endif */
/* endwith */
}