Example usage for java.lang ThreadLocal ThreadLocal

Introduction

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

Prototype

public ThreadLocal() 

Source Link

Document

Creates a thread local variable.

Usage

From source file:com.qrmedia.commons.persistence.hibernate.clone.HibernateEntityGraphClonerTest.java

@SuppressWarnings("unchecked")
@Test//w w w . j a  v a  2 s .  c o  m
public void clone_entities() throws IllegalAccessException {
    final StubHibernateEntity entity1 = new StubHibernateEntity();

    String property = "007";
    final StubHibernateEntity relatedEntity = new SimplePropertyEqualStubHibernateEntity(property);
    entity1.setNonSimpleBeanProperty(relatedEntity);

    Set<StubHibernateEntity> nonSimpleCollectionBeanProperty = new HashSet<StubHibernateEntity>();

    // reuse relatedEntity to check if its clone is used in both places
    nonSimpleCollectionBeanProperty.add(relatedEntity);
    entity1.setNonSimpleCollectionBeanProperty(nonSimpleCollectionBeanProperty);

    // the first call to the bean cloner creates a clone, adds a new entity and some commands
    final GraphWiringCommand graphWiringCommand1 = createMock(GraphWiringCommand.class);
    final GraphPostProcessingCommand graphPostProcessingCommand = createMock(GraphPostProcessingCommand.class);
    final StubHibernateEntity clone1 = new StubHibernateEntity();
    entityBeanCloner.visitNode(eq(new EntityPreserveIdFlagPair(entity1, false)), same(entityGraphCloner),
            (IdentityHashMap<Object, Object>) anyObject());
    expectLastCall()
            .andAnswer(new HibernateEntityBeanClonerActions(entity1, clone1, Arrays.asList(relatedEntity),
                    Arrays.asList(graphWiringCommand1), Arrays.asList(graphPostProcessingCommand)));

    // note that entity2 is equal to (but not identical to) relatedEntity!
    final GraphWiringCommand graphWiringCommand2 = createMock(GraphWiringCommand.class);
    final StubHibernateEntity entity2 = new SimplePropertyEqualStubHibernateEntity(property);
    entity2.setNonSimpleBeanProperty(entity1);
    final StubHibernateEntity clone2 = new SimplePropertyEqualStubHibernateEntity(property);
    entityBeanCloner.visitNode(eq(new EntityPreserveIdFlagPair(entity2, false)), same(entityGraphCloner),
            (IdentityHashMap<Object, Object>) anyObject());
    expectLastCall().andAnswer(new HibernateEntityBeanClonerActions(entity2, clone2, null,
            Arrays.asList(graphWiringCommand2), null));

    final StubHibernateEntity relatedEntityClone = new SimplePropertyEqualStubHibernateEntity(property);
    entityBeanCloner.visitNode(eq(new EntityPreserveIdFlagPair(relatedEntity, false)), same(entityGraphCloner),
            (IdentityHashMap<Object, Object>) anyObject());
    expectLastCall().andAnswer(new HibernateEntityBeanClonerActions(relatedEntity, relatedEntityClone));

    // use flags mutable for the mocks to track the order of calls
    final ThreadLocal<Integer> numGraphWiringCommandExecuted = new ThreadLocal<Integer>();
    numGraphWiringCommandExecuted.set(0);

    // the entity graph cloner should call the commands in the order they were added

    graphWiringCommand1.forEntities();
    expectLastCall().andReturn(Arrays.asList(entity1));
    graphWiringCommand1.execute(MapUtils.toMap(new IdentityHashMap<Object, Object>(), entity1, clone1));
    expectLastCall().andAnswer(new NumGraphWiringCommandsExecutedVerifier(numGraphWiringCommandExecuted, 0));

    graphWiringCommand2.forEntities();
    expectLastCall().andReturn(Arrays.asList(relatedEntity));
    graphWiringCommand2
            .execute(MapUtils.toMap(new IdentityHashMap<Object, Object>(), relatedEntity, relatedEntityClone));
    expectLastCall().andAnswer(new NumGraphWiringCommandsExecutedVerifier(numGraphWiringCommandExecuted, 1));

    // this *must* be called after all the wiring commands have been completed
    graphPostProcessingCommand.execute();
    expectLastCall().andAnswer(new IAnswer<Object>() {

        public Object answer() throws Throwable {

            if (!(numGraphWiringCommandExecuted.get() == 2)) {
                fail("Graph post-processing command executed before wiring was complete.");
            }

            return null;
        }

    });

    replay(entityBeanCloner, graphWiringCommand1, graphWiringCommand2, graphPostProcessingCommand);

    Map<StubHibernateEntity, StubHibernateEntity> clones = entityGraphCloner
            .clone(Arrays.asList(entity1, entity2));
    assertEquals(MapUtils.<StubHibernateEntity, StubHibernateEntity>toMap(entity1, clone1, entity2, clone2),
            clones);

    verify(entityBeanCloner, graphWiringCommand1, graphWiringCommand2, graphPostProcessingCommand);

    // check that any internal state maintained during the cloning has been cleaned up
    assertTrue(ReflectionUtils.<List<?>>getValue(entityGraphCloner, "graphWiringCommands").isEmpty());
    assertTrue(ReflectionUtils.<List<?>>getValue(entityGraphCloner, "graphPostProcessingCommands").isEmpty());

    /*
     * The actual wiring of the objects is *not* checked because that is the function
     * of the command objects, *not* the entity graph cloner.
     * As such, this is not within the scope of a unit test.
     */
}

---

From source file:com.mmnaseri.dragonfly.data.impl.DefaultDataAccess.java

public DefaultDataAccess(DataAccessSession session, EntityContext entityContext,
        EntityHandlerContext entityHandlerContext, boolean autoInitialize) {
    this.session = session;
    this.entityContext = entityContext;
    this.entityHandlerContext = entityHandlerContext;
    this.beanInitializer = new ConstructorBeanInitializer();
    this.metadataCollector = new ColumnMappingMetadataCollector();
    this.eventHandler = new CompositeDataAccessEventHandler();
    this.initializationContext = new ThreadLocalEntityInitializationContext(this);
    this.rowHandler = new DefaultRowHandler();
    this.mapCreator = new DefaultEntityMapCreator();
    try {// ww  w.  j  av  a  2 s . c om
        this.entityCreator = new DefaultMapEntityCreator();
    } catch (RegistryException e) {
        throw new DataAccessSessionInitializationError("Failed to initialize the map-to-entity converter", e);
    }
    this.saveQueue = new ThreadLocal<Map<Object, Object>>() {
        @Override
        protected Map<Object, Object> initialValue() {
            return new HashMap<Object, Object>();
        }
    };
    this.deleteQueue = new ThreadLocal<Set<Object>>() {
        @Override
        protected Set<Object> initialValue() {
            return new HashSet<Object>();
        }
    };
    this.deleteAllStatements = new ThreadLocal<Map<Class<?>, Map<Statements.Manipulation, Set<Statement>>>>() {
        @Override
        protected Map<Class<?>, Map<Statements.Manipulation, Set<Statement>>> initialValue() {
            return new HashMap<Class<?>, Map<Statements.Manipulation, Set<Statement>>>();
        }
    };
    this.batchOperation = new ThreadLocal<List<BatchOperationDescriptor>>();
    this.batch = new ThreadLocal<Boolean>() {
        @Override
        protected Boolean initialValue() {
            return false;
        }
    };
    this.entityContext.initialize(this);
    this.statementPreparator = new DefaultStatementPreparator(false);
    this.deferredKeys = new ThreadLocal<List<Object>>() {
        @Override
        protected List<Object> initialValue() {
            return new ArrayList<Object>();
        }
    };
    this.deferredSaveQueue = new ThreadLocal<Set<Object>>() {
        @Override
        protected Set<Object> initialValue() {
            return new HashSet<Object>();
        }
    };
    this.saveQueueLock = new ThreadLocal<Long>() {
        @Override
        protected Long initialValue() {
            return 0L;
        }
    };
    this.localCounts = new ThreadLocal<Set<LocalOperationResult>>() {
        @Override
        protected Set<LocalOperationResult> initialValue() {
            return new HashSet<LocalOperationResult>();
        }
    };
    this.localStatements = new ThreadLocal<Stack<PreparedStatement>>() {
        @Override
        protected Stack<PreparedStatement> initialValue() {
            return new Stack<PreparedStatement>();
        }
    };
    if (autoInitialize) {
        log.info("Automatically initializing the session");
        synchronized (this.session) {
            if (!this.session.isInitialized()) {
                this.session.initialize();
                this.session.markInitialized();
            }
        }
    }
}

---

From source file:SoundManagerTest.java

/**
 * Creates a new SoundManager with the specified maximum number of
 * simultaneous sounds./*w  w  w  .j a  v  a2s.co m*/
 */
public SoundManager(AudioFormat playbackFormat, int maxSimultaneousSounds) {
    super(Math.min(maxSimultaneousSounds, getMaxSimultaneousSounds(playbackFormat)));
    this.playbackFormat = playbackFormat;
    localLine = new ThreadLocal();
    localBuffer = new ThreadLocal();
    pausedLock = new Object();
    // notify threads in pool it's ok to start
    synchronized (this) {
        notifyAll();
    }
}

---

From source file:org.araneaframework.core.BaseComponent.java

private void incCallCount() {
    if (reentrantTLS == null)
        reentrantTLS = new ThreadLocal();

    if (reentrantTLS.get() == null)
        reentrantTLS.set(new Counter(0));

    callCount++;/*from  www  . ja va  2 s  . co  m*/
    ((Counter) reentrantTLS.get()).counter++;

    if (getReentrantCount() > 1)
        reentrantCallCount++;
}

---

From source file:biz.c24.io.spring.batch.reader.C24ItemReader.java

/**
 * Clean up any resources we're consuming
 *//*from  w  w w .j a  v a  2 s.  c  o  m*/
@AfterStep
public void cleanup() {
    if (validator != null) {
        validator = new ThreadLocal<ValidationManager>();
    }
    source.close();
}

---

From source file:com.linkedin.pinot.integration.tests.HybridClusterScanComparisonIntegrationTest.java

protected void runQueryAsync(final String pqlQuery, final String scanResult) {
    _queryExecutor.execute(new Runnable() {
        @Override//from w  ww  .  ja  va2 s.com
        public void run() {
            final ScanBasedQueryProcessor scanBasedQueryProcessor = (new ThreadLocal<ScanBasedQueryProcessor>() {
                @Override
                public ScanBasedQueryProcessor get() {
                    return _scanBasedQueryProcessor.clone();
                }
            }).get();

            try {
                runQuery(pqlQuery, scanBasedQueryProcessor, false, scanResult);
            } catch (Exception e) {
                Assert.fail("Caught exception", e);
            }
        }
    });
}

---

From source file:org.codice.alliance.plugin.nitf.NitfPostIngestPlugin.java

private BufferedImage render(InputStream inputStream,
        Function<Pair<ImageSegment, NitfRenderer>, BufferedImage> imageSegmentFunction)
        throws NitfFormatException {

    final ThreadLocal<BufferedImage> bufferedImage = new ThreadLocal<>();

    if (inputStream != null) {
        NitfRenderer renderer = getNitfRenderer();
        nitfParserService.parseNitf(inputStream, true).forEachImageSegment(segment -> {
            if (bufferedImage.get() == null) {
                BufferedImage bi = imageSegmentFunction.apply(new ImmutablePair<>(segment, renderer));
                if (bi != null) {
                    bufferedImage.set(bi);
                }/*from  w ww  . j  a v a 2  s.  co m*/
            }
        }).end();
    }

    return bufferedImage.get();
}

---

From source file:de.codesourcery.eve.apiclient.parsers.AbstractResponseParser.java

/**
 * Returns a thread-local <code>DateFormat</code>
 * instance for parsing date strings returned
 * by the API server.//from w w  w.  j av  a2s .  com
 * 
 * @return
 */
protected DateFormat getDateFormat() {
    /*
     * TODO: Hack to circumvent a 
     * bug with EasyMock partial mocking, somehow
     * final instance fields are not initialized by CGLib and
     * since the constructor doesn't seem to be run as well...
     */
    final SimpleDateFormat result;
    if (this.DATE_FORMAT == null) {
        result = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        this.DATE_FORMAT = new ThreadLocal<SimpleDateFormat>();
        DATE_FORMAT.set(result);
    } else {
        result = this.DATE_FORMAT.get();
    }
    return result;
}

---

From source file:com.aol.advertising.qiao.emitter.AMQEmitter.java

@Override
public void suspend() {
    if (isSuspended.compareAndSet(false, true)) {
        localProducer = new ThreadLocal<Producer>();
    }
}

---

From source file:org.nuxeo.ecm.core.io.registry.reflect.MarshallerInspector.java

/**
 * Create or get a thread local instance of the marshaller.
 *
 * @param ctx The {@link RenderingContext} to inject.
 * @return An instance of the marshaller.
 * @since 7.2//  ww  w  . j a v  a 2  s. co m
 */
private Object getThreadInstance(RenderingContext ctx) {
    if (threadInstance == null) {
        threadInstance = new ThreadLocal<Object>();
    }
    Object instance = threadInstance.get();
    if (instance == null) {
        instance = getNewInstance(ctx, false);
        threadInstance.set(instance);
    } else {
        for (Field contextField : contextFields) {
            try {
                contextField.set(instance, ctx);
            } catch (IllegalArgumentException | IllegalAccessException e) {
                throw new NuxeoException("unable to create a marshaller instance for clazz " + clazz.getName(),
                        e);
            }
        }
    }
    return instance;
}

---

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