Example usage for java.lang String intern

Introduction

In this page you can find the example usage for java.lang String intern.

Prototype

public native String intern();

Source Link

Document

Returns a canonical representation for the string object.

Usage

From source file:org.dataconservancy.dcs.ingest.util.SeadElmSipStager.java

@Override
public void updateSIP(Dcp sip, String id) {
    synchronized (id.intern()) {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        modelBuilder.buildSip((ResearchObject) sip, out);
    }//from   w  w  w .j a v a2  s . c  om
}

From source file:org.pitest.testapi.Description.java

private String internIfNotNull(final String string) {
    if (string == null) {
        return null;
    }/*from  ww w  .  ja  va  2 s.  co m*/
    return string.intern();
}

From source file:org.blockartistry.DynSurround.client.fx.BlockEffect.java

public void setConditions(@Nullable final String conditions) {
    this.conditions = conditions == null ? StringUtils.EMPTY : conditions.intern();
}

From source file:org.dataconservancy.dcs.ingest.services.util.ElmSipStager.java

public void updateSIP(Dcp sip, String key) {
    synchronized (key.intern()) {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        modelBuilder.buildSip(sip, out);
        entityStore.put(key, new ByteArrayInputStream(out.toByteArray()));
    }//from ww w .  j  a v  a2  s .  c  o  m
}

From source file:org.dataconservancy.dcs.ingest.util.SeadElmSipStager.java

public void updateSIP(ResearchObject sip, String key) {
    synchronized (key.intern()) {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        modelBuilder.buildSip(sip, out);
        entityStore.put(key, new ByteArrayInputStream(out.toByteArray()));
    }/* w w w.j a v  a  2s . co  m*/
}

From source file:org.quartz.impl.jdbcjobstore.DBSemaphore.java

/**
 * Determine whether the calling thread owns a lock on the identified
 * resource.//from  w  w  w . j a v  a 2 s.  c o  m
 */
public boolean isLockOwner(Connection conn, String lockName) {
    lockName = lockName.intern();

    return getThreadLocks().contains(lockName);
}

From source file:com.qwazr.utils.json.DirectoryJsonManager.java

private Pair<Long, T> put(String name, long lastModified, T instance) {
    name = name.intern();
    Pair<Long, T> item = Pair.of(lastModified, instance);
    instancesMap.put(name, item);//w w w .  j ava 2  s  .c o  m
    return item;
}

From source file:org.quartz.impl.jdbcjobstore.SimpleSemaphore.java

/**
 * Grants a lock on the identified resource to the calling thread (blocking
 * until it is available)./*from  www  .  j  av a2  s.c om*/
 * 
 * @return true if the lock was obtained.
 */
public synchronized boolean obtainLock(Connection conn, String lockName) {

    lockName = lockName.intern();

    Log log = getLog();

    if (log.isDebugEnabled()) {
        log.debug("Lock '" + lockName + "' is desired by: " + Thread.currentThread().getName());
    }

    if (!isLockOwner(conn, lockName)) {
        if (log.isDebugEnabled()) {
            log.debug("Lock '" + lockName + "' is being obtained: " + Thread.currentThread().getName());
        }
        while (locks.contains(lockName)) {
            try {
                this.wait();
            } catch (InterruptedException ie) {
                if (log.isDebugEnabled()) {
                    log.debug(
                            "Lock '" + lockName + "' was not obtained by: " + Thread.currentThread().getName());
                }
            }
        }

        if (log.isDebugEnabled()) {
            log.debug("Lock '" + lockName + "' given to: " + Thread.currentThread().getName());
        }
        getThreadLocks().add(lockName);
        locks.add(lockName);
    } else if (log.isDebugEnabled()) {
        log.debug("Lock '" + lockName + "' already owned by: " + Thread.currentThread().getName()
                + " -- but not owner!", new Exception("stack-trace of wrongful returner"));
    }

    return true;
}

From source file:com.qwarz.graph.model.GraphNode.java

private Set<String> getEdgeSet(String type) {
    if (type == null || type.isEmpty())
        return null;
    type = type.intern();
    if (edges == null)
        edges = new LinkedHashMap<String, Set<String>>();
    Set<String> nodeIdSet = edges.get(type);
    if (nodeIdSet != null)
        return nodeIdSet;
    nodeIdSet = new TreeSet<String>();
    edges.put(type, nodeIdSet);//from   w ww  .ja v a 2  s  .com
    return nodeIdSet;
}

From source file:Profiler.java

/**
 * Notifies the profiler that a routine has ended
 * //from   w  ww  .  jav a 2  s  .  co m
 * @param name
 *            The name of the routine
 */
public void stopRoutine(String name) {
    name = name.intern();
    int i;
    for (i = 1; i < theRoutines.length && name != theRoutines[i]; i++)
        ;
    if (i == theRoutines.length || theRoutineStartTimes[i] < 0)
        throw new IllegalStateException("Routine " + name + " is already finished or has not been started");
    long time = System.currentTimeMillis();
    theRoutineProfiles[i] += time - theRoutineStartTimes[i];
    theRoutineStartTimes[i] = -1;
    for (i = 1; i < theRoutines.length && theRoutineStartTimes[i] < 0; i++)
        ;
    if (i == theRoutines.length)
        theRoutineStartTimes[0] = time;
}