// GPars - Groovy Parallel Systems
//
// Copyright © 2008-11 The original author or authors
//
// 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 groovyx.gpars.group;
import groovyx.gpars.scheduler.DefaultPool;
import groovyx.gpars.scheduler.FJPool;
import groovyx.gpars.scheduler.Pool;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.ThreadPoolExecutor;
/**
* Provides convenience factory methods to build PGroups from various types of thread pools
*
* @author Vaclav Pech
*/
@SuppressWarnings({"UtilityClass", "AbstractClassWithoutAbstractMethods", "AbstractClassNeverImplemented"})
public abstract class PGroupBuilder {
private PGroupBuilder() {
}
/**
* Builds a PGroup instance from a Pool instance
*
* @param pool The pool to wrap by the new group
* @return The group wrapping the original pool
*/
public static PGroup createFromPool(final Pool pool) {
return new DefaultPGroup(pool);
}
/**
* Builds a PGroup instance from a ForkJoinPool instance
*
* @param pool The pool to wrap by the new group
* @return The group wrapping the original pool
*/
public static PGroup createFromPool(final ForkJoinPool pool) {
return new DefaultPGroup(new FJPool(pool));
}
/**
* Builds a PGroup instance from a ThreadPoolExecutor instance
*
* @param pool The pool to wrap by the new group
* @return The group wrapping the original pool
*/
public static PGroup createFromPool(final ThreadPoolExecutor pool) {
return new DefaultPGroup(new DefaultPool(pool));
}
}