gogo/src/aQute/threadio/Marker.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 aQute.threadio;

import java.io.*;

public class Marker {
    Marker previous;
    InputStream in;
    PrintStream out;
    PrintStream err;
    ThreadIOImpl parent;
    
    public Marker(ThreadIOImpl parent, InputStream in, PrintStream out,
            PrintStream err, Marker previous) {
        this.previous = previous;
        this.parent = parent;
        this.in = in;
        this.out=out;
        this.err=err;
    }

    Marker activate() {
        parent.in.setStream(in);
        parent.out.setStream(out);
        parent.err.setStream(err);
        return previous;
    }
}