Examples with Transaction com.twitter.distributedlog.util.Transaction used on opensource projects

Example 1 with Transaction

use of com.twitter.distributedlog.util.Transaction in project distributedlog by twitter.

the class TestZKLogSegmentMetadataStore method testStoreMaxLogSegmentSequenceNumber.

@Test(timeout = 60000)
public void testStoreMaxLogSegmentSequenceNumber() throws Exception {
    Transaction<Object> updateTxn = lsmStore.transaction();
    Versioned<Long> value = new Versioned<Long>(999L, new ZkVersion(0));
    final Promise<Version> result = new Promise<Version>();
    lsmStore.storeMaxLogSegmentSequenceNumber(updateTxn, rootZkPath, value, new Transaction.OpListener<Version>() {

        @Override
        public void onCommit(Version r) {
            result.setValue(r);
        }

        @Override
        public void onAbort(Throwable t) {
            result.setException(t);
        }
    });
    FutureUtils.result(updateTxn.execute());
    assertEquals(1, ((ZkVersion) FutureUtils.result(result)).getZnodeVersion());
    Stat stat = new Stat();
    byte[] data = zkc.get().getData(rootZkPath, false, stat);
    assertEquals(999L, DLUtils.deserializeLogSegmentSequenceNumber(data));
    assertEquals(1, stat.getVersion());
}

Example 2 with Transaction

use of com.twitter.distributedlog.util.Transaction in project distributedlog by twitter.

the class TestZKLogSegmentMetadataStore method testStoreMaxTxnIdBadVersion.

@Test(timeout = 60000)
public void testStoreMaxTxnIdBadVersion() throws Exception {
    Transaction<Object> updateTxn = lsmStore.transaction();
    Versioned<Long> value = new Versioned<Long>(999L, new ZkVersion(10));
    final Promise<Version> result = new Promise<Version>();
    lsmStore.storeMaxTxnId(updateTxn, rootZkPath, value, new Transaction.OpListener<Version>() {

        @Override
        public void onCommit(Version r) {
            result.setValue(r);
        }

        @Override
        public void onAbort(Throwable t) {
            result.setException(t);
        }
    });
    try {
        FutureUtils.result(updateTxn.execute());
        fail("Should fail on storing log record transaction id if providing bad version");
    } catch (ZKException zke) {
        assertEquals(KeeperException.Code.BADVERSION, zke.getKeeperExceptionCode());
    }
    try {
        Await.result(result);
        fail("Should fail on storing log record transaction id if providing bad version");
    } catch (KeeperException ke) {
        assertEquals(KeeperException.Code.BADVERSION, ke.code());
    }
    Stat stat = new Stat();
    byte[] data = zkc.get().getData(rootZkPath, false, stat);
    assertEquals(0, stat.getVersion());
    assertEquals(0, data.length);
}

Example 3 with Transaction

use of com.twitter.distributedlog.util.Transaction in project distributedlog by twitter.

the class TestZKLogSegmentMetadataStore method testStoreMaxLogSegmentSequenceNumberOnNonExistentPath.

@Test(timeout = 60000)
public void testStoreMaxLogSegmentSequenceNumberOnNonExistentPath() throws Exception {
    Transaction<Object> updateTxn = lsmStore.transaction();
    Versioned<Long> value = new Versioned<Long>(999L, new ZkVersion(10));
    final Promise<Version> result = new Promise<Version>();
    String nonExistentPath = rootZkPath + "/non-existent";
    lsmStore.storeMaxLogSegmentSequenceNumber(updateTxn, nonExistentPath, value, new Transaction.OpListener<Version>() {

        @Override
        public void onCommit(Version r) {
            result.setValue(r);
        }

        @Override
        public void onAbort(Throwable t) {
            result.setException(t);
        }
    });
    try {
        FutureUtils.result(updateTxn.execute());
        fail("Should fail on storing log segment sequence number if path doesn't exist");
    } catch (ZKException zke) {
        assertEquals(KeeperException.Code.NONODE, zke.getKeeperExceptionCode());
    }
    try {
        Await.result(result);
        fail("Should fail on storing log segment sequence number if path doesn't exist");
    } catch (KeeperException ke) {
        assertEquals(KeeperException.Code.NONODE, ke.code());
    }
}

Example 4 with Transaction

use of com.twitter.distributedlog.util.Transaction in project distributedlog by twitter.

the class TestZKLogSegmentMetadataStore method testStoreMaxLogSegmentSequenceNumberBadVersion.

@Test(timeout = 60000)
public void testStoreMaxLogSegmentSequenceNumberBadVersion() throws Exception {
    Transaction<Object> updateTxn = lsmStore.transaction();
    Versioned<Long> value = new Versioned<Long>(999L, new ZkVersion(10));
    final Promise<Version> result = new Promise<Version>();
    lsmStore.storeMaxLogSegmentSequenceNumber(updateTxn, rootZkPath, value, new Transaction.OpListener<Version>() {

        @Override
        public void onCommit(Version r) {
            result.setValue(r);
        }

        @Override
        public void onAbort(Throwable t) {
            result.setException(t);
        }
    });
    try {
        FutureUtils.result(updateTxn.execute());
        fail("Should fail on storing log segment sequence number if providing bad version");
    } catch (ZKException zke) {
        assertEquals(KeeperException.Code.BADVERSION, zke.getKeeperExceptionCode());
    }
    try {
        Await.result(result);
        fail("Should fail on storing log segment sequence number if providing bad version");
    } catch (KeeperException ke) {
        assertEquals(KeeperException.Code.BADVERSION, ke.code());
    }
    Stat stat = new Stat();
    byte[] data = zkc.get().getData(rootZkPath, false, stat);
    assertEquals(0, stat.getVersion());
    assertEquals(0, data.length);
}

Example 5 with Transaction

use of com.twitter.distributedlog.util.Transaction in project distributedlog by twitter.

the class TestZKLogSegmentMetadataStore method testStoreMaxTxnIdOnNonExistentPath.

@Test(timeout = 60000)
public void testStoreMaxTxnIdOnNonExistentPath() throws Exception {
    Transaction<Object> updateTxn = lsmStore.transaction();
    Versioned<Long> value = new Versioned<Long>(999L, new ZkVersion(10));
    final Promise<Version> result = new Promise<Version>();
    String nonExistentPath = rootZkPath + "/non-existent";
    lsmStore.storeMaxLogSegmentSequenceNumber(updateTxn, nonExistentPath, value, new Transaction.OpListener<Version>() {

        @Override
        public void onCommit(Version r) {
            result.setValue(r);
        }

        @Override
        public void onAbort(Throwable t) {
            result.setException(t);
        }
    });
    try {
        FutureUtils.result(updateTxn.execute());
        fail("Should fail on storing log record transaction id if path doesn't exist");
    } catch (ZKException zke) {
        assertEquals(KeeperException.Code.NONODE, zke.getKeeperExceptionCode());
    }
    try {
        Await.result(result);
        fail("Should fail on storing log record transaction id if path doesn't exist");
    } catch (KeeperException ke) {
        assertEquals(KeeperException.Code.NONODE, ke.code());
    }
}