Examples with OSequence com.orientechnologies.orient.core.metadata.sequence.OSequence used on opensource projects

Example 1 with OSequence

use of com.orientechnologies.orient.core.metadata.sequence.OSequence in project orientdb by orientechnologies.

the class OCommandExecutorSQLAlterSequence method execute.

@Override
public Object execute(Map<Object, Object> iArgs) {
    if (this.sequenceName == null) {
        throw new OCommandExecutionException("Cannot execute the command because it has not been parsed yet");
    }
    final ODatabaseDocument database = getDatabase();
    OSequence sequence = database.getMetadata().getSequenceLibrary().getSequence(this.sequenceName);
    boolean result = sequence.updateParams(this.params);
    sequence.reset();
    return result;
}

Example 2 with OSequence

use of com.orientechnologies.orient.core.metadata.sequence.OSequence in project orientdb by orientechnologies.

the class SequenceTest method testSequence.

private void testSequence(String sequenceName, SEQUENCE_TYPE sequenceType) {
    OSequenceLibrary sequenceLibrary = database.getMetadata().getSequenceLibrary();
    OSequence seq = sequenceLibrary.createSequence(sequenceName, sequenceType, null);
    OSequenceException err = null;
    try {
        sequenceLibrary.createSequence(sequenceName, sequenceType, null);
    } catch (OSequenceException se) {
        err = se;
    }
    Assert.assertTrue(err == null || err.getMessage().toLowerCase(Locale.ENGLISH).contains("already exists"), "Creating a second " + sequenceType.toString() + " sequences with same name doesn't throw an exception");
    OSequence seqSame = sequenceLibrary.getSequence(sequenceName);
    Assert.assertEquals(seqSame, seq);
    // Doing it twice to check everything works after reset
    for (int i = 0; i < 2; ++i) {
        Assert.assertEquals(seq.next(), 1L);
        Assert.assertEquals(seq.current(), 1L);
        Assert.assertEquals(seq.next(), 2L);
        Assert.assertEquals(seq.next(), 3L);
        Assert.assertEquals(seq.next(), 4L);
        Assert.assertEquals(seq.current(), 4L);
        Assert.assertEquals(seq.reset(), 0L);
    }
}

Example 3 with OSequence

use of com.orientechnologies.orient.core.metadata.sequence.OSequence in project orientdb by orientechnologies.

the class AbstractServerClusterSequenceTest method executeCachedSequenceTest.

private void executeCachedSequenceTest(final ODatabaseDocumentTx[] dbs, final String sequenceName) {
    // Assuming seq2.next() is called once after calling seq1.next() once, and cache size is
    // C, seq2.current() - seq1.current() = C
    OSequence seq1 = dbs[0].getMetadata().getSequenceLibrary().createSequence(sequenceName, SEQUENCE_TYPE.CACHED, new OSequence.CreateParams().setDefaults().setCacheSize(CACHE_SIZE));
    OSequence seq2 = dbs[1].getMetadata().getSequenceLibrary().getSequence(sequenceName);
    Assert.assertEquals(seq1.getName(), seq2.getName());
    Assert.assertEquals(seq1.getName(), sequenceName);
    Assert.assertEquals(seq1.getSequenceType(), seq2.getSequenceType());
    Assert.assertEquals(seq1.getSequenceType(), SEQUENCE_TYPE.CACHED);
    ODatabaseRecordThreadLocal.INSTANCE.set(dbs[0]);
    long v1 = seq1.next();
    ODatabaseRecordThreadLocal.INSTANCE.set(dbs[1]);
    long v2 = seq2.next();
    Assert.assertEquals((long) CACHE_SIZE, v2 - v1);
}

Example 4 with OSequence

use of com.orientechnologies.orient.core.metadata.sequence.OSequence in project orientdb by orientechnologies.

the class SequenceTest method testOrdered.

@Test
public void testOrdered() {
    OSequenceLibrary sequenceManager = database.getMetadata().getSequenceLibrary();
    OSequence seq = sequenceManager.createSequence("seqOrdered", SEQUENCE_TYPE.ORDERED, null);
    OSequenceException err = null;
    try {
        sequenceManager.createSequence("seqOrdered", SEQUENCE_TYPE.ORDERED, null);
    } catch (OSequenceException se) {
        err = se;
    }
    Assert.assertTrue(err == null || err.getMessage().toLowerCase(Locale.ENGLISH).contains("already exists"), "Creating two ordered sequences with same name doesn't throw an exception");
    OSequence seqSame = sequenceManager.getSequence("seqOrdered");
    Assert.assertEquals(seqSame, seq);
    testUsage(seq, FIRST_START);
    // 
    seq.updateParams(new OSequence.CreateParams().setStart(SECOND_START).setCacheSize(13));
    testUsage(seq, SECOND_START);
}

Example 5 with OSequence

use of com.orientechnologies.orient.core.metadata.sequence.OSequence in project orientdb by orientechnologies.

the class SQLSequenceTest method testFree.

@Test
public void testFree() {
    OSequenceLibrary sequenceManager = database.getMetadata().getSequenceLibrary();
    OSequence seq = sequenceManager.createSequence("seqSQLOrdered", OSequence.SEQUENCE_TYPE.ORDERED, null);
    OSequenceException err = null;
    try {
        sequenceManager.createSequence("seqSQLOrdered", OSequence.SEQUENCE_TYPE.ORDERED, null);
    } catch (OSequenceException se) {
        err = se;
    }
    Assert.assertTrue(err == null || err.getMessage().toLowerCase(Locale.ENGLISH).contains("already exists"), "Creating two ordered sequences with same name doesn't throw an exception");
    OSequence seqSame = sequenceManager.getSequence("seqSQLOrdered");
    Assert.assertEquals(seqSame, seq);
    testUsage(seq, FIRST_START);
    // 
    seq.updateParams(new OSequence.CreateParams().setStart(SECOND_START).setCacheSize(13));
    testUsage(seq, SECOND_START);
}