Examples with UUID org.apache.activemq.artemis.utils.UUID used on opensource projects

Example 6 with UUID

use of org.apache.activemq.artemis.utils.UUID in project activemq-artemis by apache.

the class JdbcNodeManager method start.

@Override
public void start() throws Exception {
    try {
        synchronized (this) {
            if (isStarted()) {
                return;
            }
            this.sharedStateManager = sharedStateManagerFactory.get();
            if (!replicatedBackup) {
                final UUID nodeId = sharedStateManager.setup(UUIDGenerator.getInstance()::generateUUID);
                setUUID(nodeId);
            }
            this.scheduledLiveLock = scheduledLiveLockFactory.get();
            this.scheduledBackupLock = scheduledBackupLockFactory.get();
            super.start();
        }
    } catch (IllegalStateException e) {
        this.sharedStateManager = null;
        this.scheduledLiveLock = null;
        this.scheduledBackupLock = null;
        if (this.ioCriticalErrorListener != null) {
            this.ioCriticalErrorListener.onIOException(e, "Failed to setup the JdbcNodeManager", null);
        }
        throw e;
    }
}

Example 7 with UUID

use of org.apache.activemq.artemis.utils.UUID in project activemq-artemis by apache.

the class JdbcNodeManager method stopBackup.

@Override
public void stopBackup() throws Exception {
    if (replicatedBackup) {
        final UUID nodeId = getUUID();
        sharedStateManager.writeNodeId(nodeId);
    }
    releaseBackup();
}

Example 8 with UUID

use of org.apache.activemq.artemis.utils.UUID in project activemq-artemis by apache.

the class JdbcSharedStateManager method readNodeId.

@Override
public UUID readNodeId() {
    synchronized (connection) {
        try {
            connection.setTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED);
            connection.setAutoCommit(true);
            final UUID nodeId = rawReadNodeId();
            return nodeId;
        } catch (SQLException e) {
            throw new IllegalStateException(e);
        }
    }
}

Example 9 with UUID

use of org.apache.activemq.artemis.utils.UUID in project activemq-artemis by apache.

the class UUIDTest method testStringToUuidConversion.

@Test
public void testStringToUuidConversion() {
    UUIDGenerator gen = UUIDGenerator.getInstance();
    for (int i = 0; i < MANY_TIMES; i++) {
        final UUID uuid = gen.generateUUID();
        final String uuidString = uuid.toString();
        byte[] data2 = UUID.stringToBytes(uuidString);
        final UUID uuid2 = new UUID(UUID.TYPE_TIME_BASED, data2);
        assertEqualsByteArrays(uuid.asBytes(), data2);
        assertEquals(uuidString, uuid, uuid2);
        assertEquals(uuidString, uuidString, uuid2.toString());
    }
}

Example 10 with UUID

use of org.apache.activemq.artemis.utils.UUID in project activemq-artemis by apache.

the class NodeManager method createNodeId.

protected final synchronized void createNodeId() throws IOException {
    synchronized (nodeIDGuard) {
        ByteBuffer id = ByteBuffer.allocateDirect(16);
        int read = channel.read(id, 3);
        if (replicatedBackup) {
            id.position(0);
            id.put(getUUID().asBytes(), 0, 16);
            id.position(0);
            channel.write(id, 3);
            channel.force(true);
        } else if (read != 16) {
            setUUID(UUIDGenerator.getInstance().generateUUID());
            id.put(getUUID().asBytes(), 0, 16);
            id.position(0);
            channel.write(id, 3);
            channel.force(true);
        } else {
            byte[] bytes = new byte[16];
            id.position(0);
            id.get(bytes);
            setUUID(new UUID(UUID.TYPE_TIME_BASED, bytes));
        }
    }
}