com.eucalyptus.simpleworkflow.stateful.AbstractTaskPolledNotificationChecker.java Source code

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Here is the source code for com.eucalyptus.simpleworkflow.stateful.AbstractTaskPolledNotificationChecker.java

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/*************************************************************************
 * Copyright 2009-2014 Eucalyptus Systems, Inc.
 *
 * 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 3 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, see http://www.gnu.org/licenses/.
 *
 * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
 * CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
 * additional information or have any questions.
 ************************************************************************/
package com.eucalyptus.simpleworkflow.stateful;

import org.apache.log4j.Logger;
import com.google.common.base.Splitter;
import com.google.common.collect.Iterables;

/**
 *
 */
abstract class AbstractTaskPolledNotificationChecker implements PolledNotificationChecker {

    private static final Logger logger = Logger.getLogger(AbstractTaskPolledNotificationChecker.class);

    private final String type;

    protected AbstractTaskPolledNotificationChecker(final String type) {
        this.type = type;
    }

    @Override
    public boolean apply(final String channel) {
        final Iterable<String> channelName = Splitter.on(':').limit(4).split(channel);
        if (Iterables.size(channelName) == 4) {
            final String accountNumber = Iterables.get(channelName, 0);
            final String type = Iterables.get(channelName, 1);
            final String domain = Iterables.get(channelName, 2);
            final String taskList = Iterables.get(channelName, 3);
            if (this.type.equals(type))
                try {
                    return hasTasks(accountNumber, domain, taskList);
                } catch (final Exception e) {
                    logger.error("Error checking for pending tasks", e);
                }
        }
        return false;
    }

    abstract boolean hasTasks(String accountNumber, String domain, String taskList);
}