Examples with DistributedLogNamespace com.twitter.distributedlog.namespace.DistributedLogNamespace used on opensource projects

Example 21 with DistributedLogNamespace

use of com.twitter.distributedlog.namespace.DistributedLogNamespace in project distributedlog by twitter.

the class TestLogSegmentsZK method testCompleteLogSegmentConflicts.

@Test(timeout = 60000)
public void testCompleteLogSegmentConflicts() throws Exception {
    URI uri = createURI();
    String streamName = testName.getMethodName();
    DistributedLogConfiguration conf = new DistributedLogConfiguration().setLockTimeout(99999).setOutputBufferSize(0).setImmediateFlushEnabled(true).setEnableLedgerAllocatorPool(true).setLedgerAllocatorPoolName("test");
    DistributedLogNamespace namespace = DistributedLogNamespaceBuilder.newBuilder().conf(conf).uri(uri).build();
    namespace.createLog(streamName);
    DistributedLogManager dlm1 = namespace.openLog(streamName);
    DistributedLogManager dlm2 = namespace.openLog(streamName);
    // dlm1 is writing
    BKSyncLogWriter out1 = (BKSyncLogWriter) dlm1.startLogSegmentNonPartitioned();
    out1.write(DLMTestUtil.getLogRecordInstance(1));
    // before out1 complete, out2 is in on recovery
    // it completed the log segments which bump the version of /ledgers znode
    BKAsyncLogWriter out2 = (BKAsyncLogWriter) dlm2.startAsyncLogSegmentNonPartitioned();
    try {
        out1.closeAndComplete();
        fail("Should fail closeAndComplete since other people already completed it.");
    } catch (IOException ioe) {
    }
}