ParallelCompoundAsyncOperation.java

/*
 * RHQ Management Platform
 * Copyright (C) 2011 Red Hat, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
package org.rhq.coregui.client.util.async;

/**
 * A compound {@link AsyncOperation async operation}, which executes a set of child async operations in parallel. Its
 * {@link #execute(AsyncOperationCallback, Object...)} method invokes its callback once all child operations have
 * completed (i.e. invoked their own callbacks).
 *
 * @author Ian Springer
 */
public class ParallelCompoundAsyncOperation extends AbstractCompoundAsyncOperation {

    @Override
    public void execute(AsyncOperationCallback callback, Object... params) {
        super.execute(callback, params);

        for (AsyncOperation operation : getOperations()) {
            Object[] paramArray = getParameters(operation);
            operation.execute(this, paramArray);
        }
    }

}