/**
 *
 * Copyright (c) 2006-2016, 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.source;

import com.speedment.common.mutablestream.HasNext;
import com.speedment.common.mutablestream.action.Action;
import com.speedment.common.mutablestream.terminate.Terminator;
import static java.util.Objects.requireNonNull;
import java.util.stream.BaseStream;

/**
 *
 * @param <T>  the streamed type (or wrapper)
 * @param <TS> the stream type
 * 
 * @author Emil Forslund
 * @since  1.0.0
 */
public final class WrappedStream<T, TS extends BaseStream<T, TS>> 
implements HasNext<T, TS> {

    private final TS wrapped;

    public WrappedStream(TS wrapped) {
        this.wrapped = requireNonNull(wrapped);
    }

    @Override
    public <Q, QS extends BaseStream<Q, QS>> HasNext<Q, QS> 
    append(Action<T, TS, Q, QS> next) {
        return next;
    }

    @Override
    public <X> X execute(Terminator<T, TS, X> terminator) {
        return terminator.execute();
    }

    @Override
    public TS build(boolean parallel) {
        return parallel ? wrapped.parallel() : wrapped;
    }
}
Add source that wraps an existing stream