/** * * 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.FindFirstTerminator; import java.util.Optional; /** * * @param <T> the terminated stream type * * @author Emil Forslund * @since 1.0.0 */ public final class FindFirstTerminatorImpl<T> extends AbstractTerminator<T, Stream<T>, Optional<T>> implements FindFirstTerminator<T> { public FindFirstTerminatorImpl(HasNext<T, Stream<T>> previous, boolean parallel) { super(previous, parallel); } @Override public Optional<T> execute() { try (final Stream<T> stream = buildPrevious()) { return stream.findFirst(); } } }