List of openSequence() Examples

Examples of openSequence()

com.sleepycat.je.Database.openSequence()
Opens a sequence in the database. @param txn For a transactional database, an explicit transaction maybe specified, or null may be specified to use auto-commit. For a non-transactional database, null must be specified. @param key The key {@link DatabaseEntry} of the sequence. @param config The sequence attributes. If null, default attributes areused. @return a new Sequence handle. @throws SequenceExistsException if the sequence record already existsand the {@code SequenceConfig ExclusiveCreate} parameter is true. @throws SequenceNotFoundException if the sequence record does not existand the {@code SequenceConfig AllowCreate} parameter is false. @throws OperationFailureException if one of the Read Operation Failures occurs. If the sequence does not exist and the {@link SequenceConfig#setAllowCreate AllowCreate} parameter is true, then oneof the Write Operation Failures may also occur. @throws EnvironmentFailureException if an unexpected, internal orenvironment-wide failure occurs. @throws UnsupportedOperationException if this database is read-only, orthis database is configured for duplicates. @throws IllegalStateException if the Sequence record is deleted byanother thread during this method invocation, or the database has been closed. @throws IllegalArgumentException if an invalid parameter is specified,for example, an invalid {@code SequenceConfig} parameter.
com.sun.jmx.snmp.BerDecoder.openSequence()
Fetch a sequence header. The decoder computes the end position of the sequence and push it on its stack. @exception BerException Current position does not point to a sequence header.
com.sun.jmx.snmp.BerEncoder.openSequence()
Open a sequence. The encoder push the current position on its stack.

Examples of com.sleepycat.je.Database.openSequence()

        /* Duplicates not allowed. */


        Database db = openDb("dups", true);
        Transaction txn = txnBegin();
        try {
            db.openSequence(txn, key, config);
            fail();
        } catch (IllegalArgumentException expected) {
            String msg = expected.getMessage();
            assertTrue(msg, msg.indexOf("duplicates") >= 0);
        }

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Examples of com.sleepycat.je.Database.openSequence()


        /* Range min must be less than max. */


        config.setRange(0, 0);
        try {
            db.openSequence(txn, key, config);
            fail();
        } catch (IllegalArgumentException expected) {
            String msg = expected.getMessage();
            assertTrue(msg, msg.indexOf("less than the maximum") >= 0);
        }

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Examples of com.sleepycat.je.Database.openSequence()

        /* Initial value must be within range. */


        config.setRange(-10, 10);
        config.setInitialValue(-11);
        try {
            db.openSequence(txn, key, config);
            fail();
        } catch (IllegalArgumentException expected) {
            String msg = expected.getMessage();
            assertTrue(msg, msg.indexOf("out of range") >= 0);
        }

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Examples of com.sleepycat.je.Database.openSequence()

            String msg = expected.getMessage();
            assertTrue(msg, msg.indexOf("out of range") >= 0);
        }
        config.setInitialValue(11);
        try {
            db.openSequence(txn, key, config);
            fail();
        } catch (IllegalArgumentException expected) {
            String msg = expected.getMessage();
            assertTrue(msg, msg.indexOf("out of range") >= 0);
        }

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Examples of com.sleepycat.je.Database.openSequence()


        config.setRange(-10, 10);
        config.setCacheSize(21);
        config.setInitialValue(0);
        try {
            db.openSequence(txn, key, config);
            fail();
        } catch (IllegalArgumentException expected) {
            String msg = expected.getMessage();
            assertTrue(msg, msg.indexOf("cache size is larger") >= 0);
        }

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Examples of com.sleepycat.je.Database.openSequence()

        /* Create with legal range values. */


        config.setRange(1, 2);
        config.setInitialValue(1);
        config.setCacheSize(0);
        Sequence seq = db.openSequence(txn, key, config);


        /* Key must not exist if ExclusiveCreate=true. */


        config.setExclusiveCreate(true);
        try {

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Examples of com.sleepycat.je.Database.openSequence()


        /* Key must not exist if ExclusiveCreate=true. */


        config.setExclusiveCreate(true);
        try {
            db.openSequence(txn, key, config);
            fail();
        } catch (DatabaseException expected) {
            String msg = expected.getMessage();
            assertTrue(msg, msg.indexOf("already exists") >= 0);
        }

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Examples of com.sleepycat.je.Database.openSequence()

        /* Key must exist if AllowCreate=false. */


        db.removeSequence(txn, key);
        config.setAllowCreate(false);
        try {
            db.openSequence(txn, key, config);
            fail();
        } catch (DatabaseException expected) {
            String msg = expected.getMessage();
            assertTrue(msg, msg.indexOf("does not exist") >= 0);
        }

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Examples of com.sleepycat.je.Database.openSequence()


        db.removeSequence(txn, key);
        config.setAllowCreate(true);
        config.setRange(-5, 5);
        config.setInitialValue(-5);
        seq = db.openSequence(txn, key, config);
        for (long i = config.getRangeMin(); i <= config.getRangeMax(); i++) {
            assertEquals(i, seq.get(txn, 1));
        }
        try {
            seq.get(txn, 1);

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Examples of com.sleepycat.je.Database.openSequence()

        config.setAllowCreate(true);
        config.setAllowCreate(true);
        config.setRange(-5, 5);
        config.setInitialValue(5);
        config.setDecrement(true);
        seq = db.openSequence(txn, key, config);
        for (long i = config.getRangeMax(); i >= config.getRangeMin(); i--) {
            assertEquals(i, seq.get(txn, 1));
        }
        try {
            seq.get(txn, 1);

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