/**
*
* Copyright (c) 2006-2017, Speedment, Inc. All Rights Reserved.
*
* 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.speedment.common.mutablestream.internal.terminate;
import java.util.stream.Stream;
import com.speedment.common.mutablestream.HasNext;
import com.speedment.common.mutablestream.terminate.ToArrayTerminator;
import java.util.function.IntFunction;
import static java.util.Objects.requireNonNull;
/**
*
* @param <T> the terminated stream type
* @param <A> the resulting array type
*
* @author Emil Forslund
* @since 1.0.0
*/
public final class ToArrayTerminatorImpl<T, A>
extends AbstractTerminator<T, Stream<T>, A[]>
implements ToArrayTerminator<T, A> {
private final IntFunction<A[]> instantiator;
public ToArrayTerminatorImpl(HasNext<T, Stream<T>> previous, boolean parallel, IntFunction<A[]> consumer) {
super(previous, parallel);
this.instantiator = requireNonNull(consumer);
}
@Override
public IntFunction<A[]> getInstantiator() {
return instantiator;
}
@Override
public A[] execute() {
try (final Stream<T> stream = buildPrevious()) {
return stream.toArray(instantiator);
}
}
}