Example usage for java.util.concurrent ConcurrentLinkedQueue removeAll

Introduction

In this page you can find the example usage for java.util.concurrent ConcurrentLinkedQueue removeAll.

Prototype

public boolean removeAll(Collection<?> c) 

Source Link

Usage

From source file:m.c.m.proxyma.context.ProxyFolderBean.java

/**
 * Add the a plugin to the specified list using the execution priority 
 * to define the position of the plugin into the list.
 * @param pluginName the plugin name to add to the list
 * @param list the list to update.//ww w  .  j  a  v  a 2  s. co  m
 */
private void addPluginUsingExecutionPriority(String pluginName, String baseXPath,
        ConcurrentLinkedQueue<String> list) {
    String pluginPriorityXPath = baseXPath + "[@class='" + pluginName + "']/@executionPriority";
    int pluginPriority = 0;
    try {
        pluginPriority = Integer.parseInt(context.getSingleValueParameter(pluginPriorityXPath));
    } catch (Exception x) {
        log.warning("executionPiority not an integer in \"" + pluginPriorityXPath + "\"");
    }

    //put the new object in the correct position based upon its execution priority
    LinkedList<String> tmpList = new LinkedList(list);

    String currentPlugin = null;
    int currentPluginPriority = 0;
    boolean inserted = false;
    for (int i = 0; (i < tmpList.size() && !inserted); i++) {
        currentPlugin = tmpList.get(i);
        pluginPriorityXPath = baseXPath + "[@class='" + currentPlugin + "']/@executionPriority";
        try {
            currentPluginPriority = Integer.parseInt(context.getSingleValueParameter(pluginPriorityXPath));
        } catch (Exception x) {
            currentPluginPriority = 0;
        }

        if (pluginPriority < currentPluginPriority) {
            tmpList.add(i, pluginName);
            inserted = true;
        }
    }

    //If a place for the plugin was not found the plugin is addedd on the tail
    if (!inserted)
        tmpList.add(pluginName);

    //Update the thread-safe queue
    list.removeAll(tmpList);
    list.addAll(tmpList);
}

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