Java HashSet.forEach方法代碼示例

import java.util.HashSet; //導入方法依賴的package包/類
public boolean executeTasksAndAwaitDone(
    PriorityTaskQueue taskQueue,
    ExecutorService executorService,
    Consumer<Exception> exceptionListener,
    Object input,
    Consumer<O> onResult,
    long timeout,
    TimeUnit unit) {

    if (!children.isEmpty()) {
        throw new RuntimeException("This step has children; please start executing at the tail of the graph");
    }
    this.onResult = onResult;

    // walk the step graph: configure the graph depth on each step and find the root steps
    HashSet<Step<Object, ?>> roots = new HashSet<>();
    configureTreeAndFindRoots(new HashSet<>(), roots);

    // start execution by scheduling tasks for all roots
    roots.forEach(rootStep -> rootStep.post(input, taskQueue));

    return taskQueue.executeTasksAndAwaitDone(executorService, exceptionListener, timeout, unit);
}
 

import java.util.HashSet; //導入方法依賴的package包/類
@Override
public void onMessage(String channel, String message)
{
    try
    {
        HashSet<IPacketsReceiver> receivers = packetsReceivers.get(channel);
        if (receivers != null)
            receivers.forEach((IPacketsReceiver receiver) -> receiver.receive(channel, message));
        else
            APIPlugin.log(Level.WARNING, "{PubSub} Received message on a channel, but no packetsReceivers were found. (channel: " + channel + ", message:" + message + ")");

        APIPlugin.getInstance().getDebugListener().receive("onlychannel", channel, message);
    } catch (Exception ignored)
    {
        ignored.printStackTrace();
    }

}
 

import java.util.HashSet; //導入方法依賴的package包/類
@Override
public void onPMessage(String pattern, String channel, String message)
{
    try
    {
        HashSet<IPatternReceiver> receivers = patternsReceivers.get(pattern);
        if (receivers != null)
            receivers.forEach((IPatternReceiver receiver) -> receiver.receive(pattern, channel, message));
        else
            APIPlugin.log(Level.WARNING, "{PubSub} Received pmessage on a channel, but no packetsReceivers were found.");

        APIPlugin.getInstance().getDebugListener().receive(pattern, channel, message);
    } catch (Exception ignored)
    {
        ignored.printStackTrace();
    }
}
 

import java.util.HashSet; //導入方法依賴的package包/類
@Cacheable(CsapCoreService.TIMEOUT_CACHE_60s)
synchronized public ArrayNode allAdminUsers () {

	ArrayNode users = jacksonMapper.createArrayNode() ;
	
	
	// remove calls for other hosts
	csapApp.getAllPackages()
		.getServiceInstances( "admin" )
		.filter( instance -> ! instance.getHostName().equals( Application.getHOST_NAME() ) )
		.map( this::getUsersOnRemoteAdmins )
		.forEach( users::addAll );
	
	// add the local host entries
	users.addAll( getActive() ) ;
	
	// now make them distinct
	HashSet<String> uniqueUsers = new HashSet<>() ;
	users.forEach( userJson -> uniqueUsers.add( userJson.asText() ));
	
	// Now transform 
	users.removeAll() ;
	uniqueUsers.forEach( users::add );

	
	return users ;
}
 

import java.util.HashSet; //導入方法依賴的package包/類
@Override
public void onMessage(String channel, String message)
{
    HashSet<PacketReceiver> receivers = this.packetsReceivers.get(channel);

    if (receivers != null)
        receivers.forEach((PacketReceiver receiver) -> receiver.receive(message));
}
 

import java.util.HashSet; //導入方法依賴的package包/類
public void execute(Map<String, Group> ocpGroups, Map<String, Group> ldapGroups) {

        HashSet<String> syncGroups = createSynchronizationSelector(ocpGroups, ldapGroups);
        HashSet<String> deletionGroups = createSelector(ldapGroups, ocpGroups);
        HashSet<String> creationGroups = createSelector(ocpGroups, ldapGroups);

        HashSet<Action<Group>> actions = new HashSet<>();
        actions.addAll(prepareDeletionGroups(ocpGroups, deletionGroups));
        actions.addAll(prepareSyncGroups(ocpGroups, ldapGroups, syncGroups));
        actions.addAll(prepareCreationGroups(ldapGroups, creationGroups));

        actions.forEach(Action::execute);
    }
 

import java.util.HashSet; //導入方法依賴的package包/類
/**
 * Creates a DOT file from this NetworkGraph object.
 * This can be used to quickly draw the graph with graphviz methods.
 *
 * @return DOT file containing the graph.
 */
public String toDotFile() {
    HashSet<Link> links = getLinks();
    StringBuilder sb = new StringBuilder("graph networkGraphTest {\n" +
            "  node [\n" +
            "    shape = \"circle\",\n" +
            "    style = \"filled\",\n" +
            "    fontsize = 16,\n" +
            "    fixedsize = true\n" +
            "  ];\n" +
            "\n" +
            "  edge [\n" +
            "    color = \"#bbbbbb\"\n" +
            "  ];\n" +
            "\n" +
            "  // nodes with CPU\n" +
            "  node [\n" +
            "    color = \"#007399\",\n" +
            "    fillcolor = \"#007399\",\n" +
            "    fontcolor = white\n" +
            "  ];\n");

    // Nodes with CPU resources:
    nodes.values().stream().filter(n -> n.cpuCapacity > 0.0).forEach(n -> sb.append("  ").append(n.name).append(";\n"));

    sb.append("\n" +
            "  // nodes without CPU\n" +
            "  node [\n" +
            "    color = \"#4dd2ff\",\n" +
            "    fillcolor = \"#4dd2ff\",\n" +
            "    fontcolor = black\n" +
            "  ];\n");

    // Nodes without CPU resources:
    nodes.values().stream().filter(n -> n.cpuCapacity == 0.0).forEach(n -> sb.append("  ").append(n.name).append(";\n"));

    sb.append("\n" +
            "  // edges\n");

    // Edges:
    links.forEach(l -> sb.append("  ")
            .append(l.node1.name)
            .append(" -- ")
            .append(l.node2.name)
            .append(" [ label = \"")
            .append(Math.round(l.delay))
            .append("\" ];\n"));

    sb.append("}");

    return sb.toString();
}