/*
 * Copyright (c) 2011-2015 Pivotal Software 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 reactor.rx.action.filter;

import reactor.fn.Predicate;
import reactor.rx.action.Action;

/**
 * @author Stephane Maldini
 * @since 2.0
 */
public class TakeWhileAction<T> extends Action<T, T> {

	private final Predicate<T> endPredicate;

	public TakeWhileAction(Predicate<T> predicate) {
		this.endPredicate = predicate;
	}

	@Override
	protected void doNext(T ev) {
		if (endPredicate != null && !endPredicate.test(ev)) {
			cancel();
			broadcastComplete();
		}else{
			broadcastNext(ev);
		}

	}


	@Override
	public String toString() {
		return super.toString() + "{" +
				"with-end-predicate" +
				'}';
	}
}
