[jboss-jira] [JBoss JIRA] Created: (HIBERNATE-101) IdHashShardingStrategy fails after 1.7M id is generated

[Rafal Glowacz (JIRA)]

IdHashShardingStrategy fails after 1.7M id is generated
-------------------------------------------------------

                 Key: HIBERNATE-101
                 URL: https://jira.jboss.org/jira/browse/HIBERNATE-101
             Project: Hibernate
          Issue Type: Bug
            Reporter: Rafal Glowacz
            Assignee: Steve Ebersole


public class IdShardingStrategyTest extends TestCase
{

    private IdHashShardingStrategy _defaultIdStrategy;
    private IdShardingStrategy _idStrategy;

    protected void setUp() throws Exception {
        _idStrategy = new IdShardingStrategy();
        _idStrategy.initialize(null, createDirectoryProviders());
        _defaultIdStrategy = new IdHashShardingStrategy();
        _defaultIdStrategy.initialize(null, createDirectoryProviders());
    }

    private DirectoryProvider[] createDirectoryProviders() {
        return new DirectoryProvider[]{new MockDirectoryProvider(),
                                       new MockDirectoryProvider(),
                                       new MockDirectoryProvider()};
    }

    public void testIdSharding() {
        long id = 1;
        long limit = 1000 * 1000000 * 1000000L;
        try {
            while (id < limit) {
                generateForAddition(_idStrategy, id);
                generateForDeletion(_idStrategy, id);
                id += 129653153;
            }
        } catch (Exception e) {
            fail("Couldn't get directory for id " + id);
        }
    }

    public void testIdHashSharding() {
        long id = 1;
        long limit = 1000 * 1000000 * 1000000L;
        try {
            while (id < limit) {
                generateForAddition(_defaultIdStrategy, id);
                generateForDeletion(_defaultIdStrategy, id);
                id += 129653153;
            }
            fail("Should fail with ArrayIndexOutOfBoundsException for long id");
        } catch (Exception e) {
        }
    }

    private MockDirectoryProvider generateForAddition(IndexShardingStrategy strategy, long id) {
        return (MockDirectoryProvider) strategy.getDirectoryProviderForAddition(null, id, id + "", null);
    }

    private DirectoryProvider[] generateForDeletion(IndexShardingStrategy strategy, long id) {
        return strategy.getDirectoryProvidersForDeletion(null, id, id + "");
    }

}

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