com.ottogroup.bi.asap.component.strategy.YieldMessageWaitStrategy.java Source code

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Here is the source code for com.ottogroup.bi.asap.component.strategy.YieldMessageWaitStrategy.java

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/**
 * Copyright 2014 Otto (GmbH & Co KG)
 *
 * 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 com.ottogroup.bi.asap.component.strategy;

import java.util.Properties;

import org.apache.commons.lang3.StringUtils;

import com.ottogroup.bi.asap.exception.RequiredInputMissingException;
import com.ottogroup.bi.asap.mailbox.Mailbox;

/**
 * Applies {@link Thread#yield()} as wait strategy
 * @author mnxfst
 * @since Dec 14, 2014
 */
public class YieldMessageWaitStrategy implements MessageWaitStrategy {

    public static final String CFG_COMPONENT_ID = "id";
    private String id = null;

    /**
     * @see com.ottogroup.bi.asap.component.Component#init(java.util.Properties)
     */
    public void init(Properties settings) throws RequiredInputMissingException {
        this.id = settings.getProperty(CFG_COMPONENT_ID);
        if (StringUtils.isBlank(this.id))
            throw new RequiredInputMissingException("Missing required input for '" + CFG_COMPONENT_ID + "'");
    }

    /**
     * @see com.mnxfst.distos.strategy.MessageWaitStrategy#waitFor()
     */
    public void waitFor() throws InterruptedException {
        Thread.yield();
    }

    /**
     * @see com.ottogroup.bi.asap.component.Component#shutdown()
     */
    public boolean shutdown() {
        return true;
    }

    /**
     * @see com.ottogroup.bi.asap.component.strategy.MessageWaitStrategy#setMailbox(com.ottogroup.bi.asap.mailbox.Mailbox)
     */
    public void setMailbox(Mailbox mailbox) {
    }

    /**
     * @see com.ottogroup.bi.asap.component.Component#getId()
     */
    public String getId() {
        return this.id;
    }

    /**
     * @see com.ottogroup.bi.asap.component.Component#setId(java.lang.String)
     */
    public void setId(String id) {
        this.id = id;
    }

}