Example usage for org.apache.commons.collections MultiMap isEmpty

Introduction

In this page you can find the example usage for org.apache.commons.collections MultiMap isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this map contains no key-value mappings.

Usage

From source file:org.talend.dataprofiler.core.ui.events.EventManager.java

/**
 * call the registered event's related receiver to handle
 * /*from www. j a v a 2  s.  co m*/
 * @param context
 * @param event
 * @param data
 */
public boolean publish(Object context, EventEnum event, Object data) {
    MultiMap receverQueryMap = ctxToReceiverQueueMap.get(context);
    if (receverQueryMap == null || receverQueryMap.isEmpty()) {
        return true;
    }
    List<IEventReceiver> receivers = (List<IEventReceiver>) receverQueryMap.get(event);
    if (receivers == null || receivers.size() == 0) {
        return true;
    }
    // Notify the receiver to handle the event.
    boolean handleResult = Boolean.TRUE;
    for (IEventReceiver receiver : receivers) {
        handleResult = receiver.handle(data);
        if (!handleResult) {
            break;
        }
    }
    return handleResult;
}

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From source file:org.talend.dataprofiler.core.ui.events.EventManager.java

/**
 * find if there are some registered event for the context, if existed, return the index position in the event list.
 * /* w  w  w .  j av a2s .c  om*/
 * @param context
 * @param event
 * @return
 */
public IEventReceiver findRegisteredEvent(Object context, EventEnum event, int index) {
    MultiMap receverQueryMap = ctxToReceiverQueueMap.get(context);
    if (receverQueryMap == null || receverQueryMap.isEmpty()) {
        return null;
    }
    List<IEventReceiver> receivers = (List<IEventReceiver>) receverQueryMap.get(event);
    if (receivers == null || receivers.size() == 0 || receivers.size() < index) {
        return null;
    }
    return receivers.get(index);
}

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From source file:salomon.engine.platform.data.tree.TreeManager.java

@SuppressWarnings("unchecked")
private void connectNodes(MultiMap nodesMap, TreeNode parentNode) {
    LOGGER.info("TreeManager.connectNodes()");
    if (!nodesMap.isEmpty()) {
        int parentNodeID = parentNode.getInfo().getId();
        LOGGER.debug("parentNodeID: " + parentNodeID);
        Collection<TreeNode> childNodes = (Collection<TreeNode>) nodesMap.remove(parentNodeID);
        if (childNodes != null) {
            for (Iterator iter = childNodes.iterator(); iter.hasNext();) {
                TreeNode childNode = (TreeNode) iter.next();
                LOGGER.debug("childNodeID: " + childNode.getInfo().getId());
                parentNode.addChildNode(childNode, childNode.getInfo().getParentEdgeValue());
                connectNodes(nodesMap, childNode);
            }//  w  w w  .jav  a  2  s  . co  m
        }
    }
}

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