Example usage for org.apache.commons.collections.map MultiValueMap totalSize

Introduction

In this page you can find the example usage for org.apache.commons.collections.map MultiValueMap totalSize.

Prototype

public int totalSize() 

Source Link

Document

Gets the total size of the map by counting all the values.

Usage

From source file:com.nextep.datadesigner.impl.Observable.java

/**
 * Dumps the listeners registration difference between the specified snapshot and the current
 * snaphsot./*  w ww. ja  v  a2 s. co m*/
 * 
 * @param snapshot old snapshot
 */
@SuppressWarnings("unchecked")
public static void dumpSnapshotDelta(Object snapshot) {
    MultiValueMap initial = (MultiValueMap) snapshot;
    MultiValueMap current = (MultiValueMap) getSnapshot();
    log.debug(">>>> DUMPING OBSERVABLE SNAPSHOT DIFFERENCE <<<<");
    log.debug("Initial listeners: " + initial.totalSize());
    log.debug("Current listeners: " + current.totalSize());
    boolean showWarning = (initial.totalSize() != current.totalSize());
    // Removing all identical listener registrations
    for (Object o : initial.keySet()) {
        Collection<IEventListener> listeners = (Collection<IEventListener>) initial.get(o);
        for (IEventListener l : listeners) {
            current.remove(o, l);
        }
    }
    // Our current map now only contains differences, we dump it
    log.debug("Residual listeners: " + current.totalSize());
    for (Object o : current.keySet()) {
        String name = NameHelper.getQualifiedName(o);

        log.debug("- Observable <" + name + "> has:");
        Collection<IEventListener> listeners = (Collection<IEventListener>) current.get(o);
        for (IEventListener l : listeners) {
            log.debug("    * Listener <" + l.toString() + "> of class [" + l.getClass().getName() + "]");
        }
    }
    if (showWarning) {
        log.warn("Some listeners have not been released");
    }
    log.debug(">>>> DUMPING ENDS <<<<");
}

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