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

Introduction

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

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this collection contains no elements.

Usage

From source file:com.otiliouine.flera.analyzer.SuccessionBasedDictionaryAnalyzer.java

/**
 * Pick a random character from successor of a given character in dictionary words, most succeeds
 * characters to the given character have more chances to be picked
 * //from  w w  w. j ava 2s. c  o m
 * @param precedent to search on his successors
 * @return the picked successor
 */
public char getRandomSuccessor(char precedent) {
    Bag<Succession> successionBag = successionBags.get(precedent);
    if (successionBag == null || successionBag.isEmpty()) {
        throw new RuntimeException("No successors found for the character '" + precedent + "'");
    }
    return successionBag.pickAndRemit().successor;
}

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From source file:com.otiliouine.flera.analyzer.SuccessionBasedDictionaryAnalyzer.java

public char getMostSucceeds(char precedent) {
    Bag<Succession> successionBag = successionBags.get(precedent);
    if (successionBag == null || successionBag.isEmpty()) {
        throw new RuntimeException("No successors found for the character '" + precedent + "'");
    }//w  w  w .  j  a  v a  2s .  c  o  m
    Character mostSucceeds = null;
    int nbrSuccessions = 0;
    for (Succession current : successionBag.uniqueSet()) {
        int currentCount = successionBag.getCount(current);
        if (currentCount > nbrSuccessions) {
            nbrSuccessions = currentCount;
            mostSucceeds = current.successor;
        }
    }
    return mostSucceeds;
}

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From source file:io.hops.hopsworks.common.security.CertificateMaterializer.java

private void forceRemoveLocalMaterial(String username, String projectName, String materializationDirectory) {
    ReentrantReadWriteLock.WriteLock lock = null;
    try {//from  www  .j  a v a 2 s  . c om
        materializationDirectory = materializationDirectory != null ? materializationDirectory : transientDir;
        MaterialKey key = new MaterialKey(username, projectName);
        lock = getWriteLockForKey(key);
        lock.lock();
        // First remove from File Removers list
        Map<String, LocalFileRemover> materialRemovers = fileRemovers.get(key);
        if (materialRemovers != null) {
            LocalFileRemover fileRemover = materialRemovers.remove(materializationDirectory);
            if (fileRemover != null) {
                fileRemover.scheduledFuture.cancel(true);
            }
            if (materialRemovers.isEmpty()) {
                fileRemovers.remove(key);
            }
        }

        // Then remove from material Map and maybe from Cache
        Bag materialBag = materializedCerts.get(key);
        if (materialBag != null) {
            materialBag.remove(materializationDirectory);
            if (materialBag.isEmpty()) {
                materializedCerts.remove(key);
                CryptoMaterial material = materialCache.remove(key);
                if (material != null) {
                    material.wipePassword();
                }
            }
        }

        // Then from local FS
        deleteMaterialFromLocalFs(key, materializationDirectory);
        removeLockForKey(key);
    } finally {
        lock.unlock();
    }
}

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