net.me2day.async.processor.sample.DummyDistributor.java Source code

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Here is the source code for net.me2day.async.processor.sample.DummyDistributor.java

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/*
 * DummyDistributor.java $version 2010. 10. 15
 * Copyright 2010 NHN Corp. All rights Reserved.
 * NHN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package net.me2day.async.processor.sample;

import java.util.Arrays;
import java.util.List;
import java.util.Map;

import org.apache.commons.collections.MapUtils;
import org.springframework.stereotype.Component;

import net.me2day.async.dispatcher.EventProcessContext;
import net.me2day.async.dispatcher.processor.EventProcessingDistributor;

import com.nhncorp.nconfig.config.ConfigInitializeListener;
import com.nhncorp.nconfig.config.Scope;

/**
 * 
 * @author pulsarang
 */
@Component(value = "distributor-1")
@org.springframework.context.annotation.Scope(value = "prototype")
public class DummyDistributor implements EventProcessingDistributor, ConfigInitializeListener {
    private int index;

    private String ticket = "distributor-1";
    private volatile int distributionCount = 5;

    @Override
    public List<Object> getNextTarget() {
        if (index++ < distributionCount) {
            return Arrays.asList((Object) Integer.toString(index + 1));
        }

        return null;
    }

    @Override
    public void setContext(EventProcessContext eventProcessContext) {
    }

    @Override
    public void validate(Scope scope, Map<String, Object> configurationMap) throws Exception {
        if (!ticket.equals(scope.getTarget())) {
            return;
        }
    }

    @Override
    public void initializeCompleted(Scope scope, Map<String, Object> configurationMap) {
        if (!ticket.equals(scope.getTarget())) {
            return;
        }

        int count = MapUtils.getInteger(configurationMap, "distributionCount", 2);
        if (count < 2) {
            count = 2;
        } else if (count > 50) {
            count = 50;
        }

        distributionCount = count;
        configurationMap.put("distributionCount", count);
    }
}