co.paralleluniverse.strands.channels.MappingReceivePort Maven / Gradle / Ivy
/*
* Quasar: lightweight threads and actors for the JVM.
* Copyright (c) 2013-2014, Parallel Universe Software Co. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 3.0
* as published by the Free Software Foundation.
*/
package co.paralleluniverse.strands.channels;
import com.google.common.base.Function;
/**
*
* @author pron
*/
class MappingReceivePort extends ReceivePortTransformer implements ReceivePort {
private final Function f;
public MappingReceivePort(ReceivePort target, Function f) {
super(target);
this.f = f;
}
public MappingReceivePort(ReceivePort target) {
this(target, null);
}
@Override
protected T transform(S m) {
return map(m);
}
protected T map(S m) {
if (f != null)
return f.apply(m);
throw new UnsupportedOperationException();
}
}