Examples of LockService

com.caucho.env.lock.LockService
Manages the distributed lock
com.hazelcast.concurrent.lock.LockService
liquibase.lockservice.LockService
@author John Sanda
org.apache.rave.service.LockService
Service used to manage shared Lock objects to be used for item level synchronization.
org.jgroups.blocks.locking.LockService
ing.xml needs to have a locking protocol towards the top LockService lock_service=new LockService(ch); ch.connect("lock-cluster"); Lock lock=lock_service.getLock("mylock"); lock.lock(); try { // do something with the lock acquired } finally { lock.unlock(); } Note that, contrary to the semantics of {@link java.util.concurrent.locks.Lock}, unlock() can be called multiple times; after a lock has been released, future calls to unlock() have no effect. @author Bela Ban @since 2.12
scfs.lockService.LockService

Examples of liquibase.lockservice.LockService


    public void markNextChangeSetRan(Contexts contexts, LabelExpression labelExpression) throws LiquibaseException {
        changeLogParameters.setContexts(contexts);
        changeLogParameters.setLabels(labelExpression);


        LockService lockService = LockServiceFactory.getInstance().getLockService(database);
        lockService.waitForLock();


        try {
            DatabaseChangeLog changeLog = getDatabaseChangeLog();
            checkLiquibaseTables(false, changeLog, contexts, labelExpression);
            changeLog.validate(database, contexts, labelExpression);


            ChangeLogIterator logIterator = new ChangeLogIterator(changeLog,
                    new NotRanChangeSetFilter(database.getRanChangeSetList()),
                    new ContextChangeSetFilter(contexts),
                    new LabelChangeSetFilter(labelExpression),
                    new DbmsChangeSetFilter(database),
                    new CountChangeSetFilter(1));


            logIterator.run(new ChangeLogSyncVisitor(database), new RuntimeEnvironment(database, contexts, labelExpression));
        } finally {
            lockService.releaseLock();
            resetServices();
        }
    }

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Examples of liquibase.lockservice.LockService

        Executor oldTemplate = ExecutorService.getInstance().getExecutor(database);
        ExecutorService.getInstance().setExecutor(database, outputTemplate);


        outputHeader("SQL to roll back currently unexecuted changes");


        LockService lockService = LockServiceFactory.getInstance().getLockService(database);
        lockService.waitForLock();


        try {
            DatabaseChangeLog changeLog = getDatabaseChangeLog();
            checkLiquibaseTables(false, changeLog, contexts, labelExpression);
            changeLog.validate(database, contexts, labelExpression);


            ChangeLogIterator logIterator;
            if (count == null) {
                logIterator = new ChangeLogIterator(changeLog,
                        new NotRanChangeSetFilter(database.getRanChangeSetList()),
                        new ContextChangeSetFilter(contexts),
                        new LabelChangeSetFilter(labelExpression),
                        new DbmsChangeSetFilter(database));
            } else {
                ChangeLogIterator forwardIterator = new ChangeLogIterator(changeLog,
                        new NotRanChangeSetFilter(database.getRanChangeSetList()),
                        new ContextChangeSetFilter(contexts),
                        new LabelChangeSetFilter(labelExpression),
                        new DbmsChangeSetFilter(database),
                        new CountChangeSetFilter(count));
                final ListVisitor listVisitor = new ListVisitor();
                forwardIterator.run(listVisitor, new RuntimeEnvironment(database, contexts, labelExpression));


                logIterator = new ChangeLogIterator(changeLog,
                        new NotRanChangeSetFilter(database.getRanChangeSetList()),
                        new ContextChangeSetFilter(contexts),
                        new LabelChangeSetFilter(labelExpression),
                        new DbmsChangeSetFilter(database),
                        new ChangeSetFilter() {
                            @Override
                            public ChangeSetFilterResult accepts(ChangeSet changeSet) {
                                return new ChangeSetFilterResult(listVisitor.getSeenChangeSets().contains(changeSet), null, null);
                            }
                        });
            }


            logIterator.run(new RollbackVisitor(database), new RuntimeEnvironment(database, contexts, labelExpression));
        } finally {
            lockService.releaseLock();
            ExecutorService.getInstance().setExecutor(database, oldTemplate);
            resetServices();
        }


        try {

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Examples of liquibase.lockservice.LockService


    /**
     * 'Tags' the database for future rollback
     */
    public void tag(String tagString) throws LiquibaseException {
        LockService lockService = LockServiceFactory.getInstance().getLockService(database);
        lockService.waitForLock();


        try {
            checkLiquibaseTables(false, null, new Contexts(), new LabelExpression());
            getDatabase().tag(tagString);
        } finally {
            lockService.releaseLock();
        }
    }

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Examples of liquibase.lockservice.LockService

    /**
     * Sets checksums to null so they will be repopulated next run
     */
    public void clearCheckSums() throws LiquibaseException {
        log.info("Clearing database change log checksums");
        LockService lockService = LockServiceFactory.getInstance().getLockService(database);
        lockService.waitForLock();


        try {
            checkLiquibaseTables(false, null, new Contexts(), new LabelExpression());


            UpdateStatement updateStatement = new UpdateStatement(getDatabase().getLiquibaseCatalogName(), getDatabase().getLiquibaseSchemaName(), getDatabase().getDatabaseChangeLogTableName());
            updateStatement.addNewColumnValue("MD5SUM", null);
            ExecutorService.getInstance().getExecutor(database).execute(updateStatement);
            getDatabase().commit();
        } finally {
            lockService.releaseLock();
        }
        resetServices();
    }

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Examples of liquibase.lockservice.LockService


    public void generateDocumentation(String outputDirectory, Contexts contexts, LabelExpression labelExpression) throws LiquibaseException {
        log.info("Generating Database Documentation");
        changeLogParameters.setContexts(contexts);
        changeLogParameters.setLabels(labelExpression);
        LockService lockService = LockServiceFactory.getInstance().getLockService(database);
        lockService.waitForLock();


        try {
            DatabaseChangeLog changeLog = getDatabaseChangeLog();
            checkLiquibaseTables(false, changeLog, new Contexts(), new LabelExpression());


            changeLog.validate(database, contexts, labelExpression);


            ChangeLogIterator logIterator = new ChangeLogIterator(changeLog,
                    new DbmsChangeSetFilter(database));


            DBDocVisitor visitor = new DBDocVisitor(database);
            logIterator.run(visitor, new RuntimeEnvironment(database, contexts, labelExpression));


            visitor.writeHTML(new File(outputDirectory), resourceAccessor);
        } catch (IOException e) {
            throw new LiquibaseException(e);
        } finally {
            lockService.releaseLock();
        }


//        try {
//            if (!LockService.getExecutor(database).waitForLock()) {
//                return;

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Examples of liquibase.lockservice.LockService


            if ("listLocks".equalsIgnoreCase(command)) {
                liquibase.reportLocks(System.err);
                return;
            } else if ("releaseLocks".equalsIgnoreCase(command)) {
                LockService lockService = LockServiceFactory.getInstance().getLockService(database);
                lockService.forceReleaseLock();
                System.err.println("Successfully released all database change log locks for " + liquibase.getDatabase().getConnection().getConnectionUserName() + "@" + liquibase.getDatabase().getConnection().getURL());
                return;
            } else if ("tag".equalsIgnoreCase(command)) {
                liquibase.tag(commandParams.iterator().next());
                System.err.println("Successfully tagged " + liquibase.getDatabase().getConnection().getConnectionUserName() + "@" + liquibase.getDatabase().getConnection().getURL());

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Examples of org.apache.rave.service.LockService

        assertThat(string, is(notNullValue()));
    }


    @Test
    public void bindsPrimaryBean() {
        LockService lockService = injector.getInstance(LockService.class);
        assertThat(lockService, is(not(instanceOf(DefaultLockService.class))));
    }

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Examples of org.jgroups.blocks.locking.LockService


    public void start() throws Exception {
        ch=new JChannel(props);
        if(name != null)
            ch.setName(name);
        lock_service=new LockService(ch);
        lock_service.addLockListener(this);
        ch.connect("lock-cluster");
        JmxConfigurator.registerChannel(ch, Util.getMBeanServer(), "lock-service", ch.getClusterName(), true);


        try {

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Examples of org.jgroups.blocks.locking.LockService

        }
    }


    public void start(JChannel ch) throws Exception {
        this.ch=ch;
        lock_service=new LockService(ch);
        lock_service.addLockListener(this);
        ch.connect("lock-cluster");
        JmxConfigurator.registerChannel(ch, Util.getMBeanServer(), "lock-service", ch.getClusterName(), true);


        try {

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Examples of org.jgroups.blocks.locking.LockService


    @BeforeClass
    protected void init() throws Exception {
        c1=createChannel(true, 3, "A");
        addLockingProtocol(c1);
        s1=new LockService(c1);
        c1.connect("LockServiceTest");


        c2=createChannel(c1, "B");
        s2=new LockService(c2);
        c2.connect("LockServiceTest");


        c3=createChannel(c1, "C");
        s3=new LockService(c3);
        c3.connect("LockServiceTest");
        
        lock=s1.getLock(LOCK);
    }

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