Examples of NullCursor

com.sleepycat.je.dbi.NullCursor
A NullCursor is used as a no-op object by tree unit tests, which wish to speak directly to Tree methods.

Examples of com.sleepycat.je.dbi.NullCursor


        try {


            initEnv(true);
            Locker txn = new BasicLocker(DbInternal.envGetEnvironmentImpl(env));
            NullCursor cursor = new NullCursor(tree.getDatabase(), txn);


            try {
                byte[][] keys = new byte[N_TOP_LEVEL_KEYS][];
                LN[][] lns = new LN[N_TOP_LEVEL_KEYS][];
                for (int i = 0; i < N_TOP_LEVEL_KEYS; i++) {

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Examples of com.sleepycat.je.dbi.NullCursor

    public void testGetFirstLast()
  throws DatabaseException {


        initEnv(true);
        Locker txn = new BasicLocker(DbInternal.envGetEnvironmentImpl(env));
        NullCursor cursor = new NullCursor(tree.getDatabase(), txn);


  /* Make sure IllegalArgumentException is thrown for null args. */
        try {
            TestUtils.checkLatchCount();
            tree.getFirstNode(null);

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Examples of com.sleepycat.je.dbi.NullCursor

     */
    public void testSimpleTreeCreation()
  throws DatabaseException {
        initEnv(false);
        Locker txn = new BasicLocker(DbInternal.envGetEnvironmentImpl(env));
        NullCursor cursor = new NullCursor(tree.getDatabase(), txn);
        insertAndRetrieve(cursor, "aaaaa".getBytes(),
                          new LN((byte[]) null));
        insertAndRetrieve(cursor, "aaaab".getBytes(),
                          new LN((byte[]) null));
        insertAndRetrieve(cursor, "aaaa".getBytes(),

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Examples of com.sleepycat.je.dbi.NullCursor

         * IN.split was splitting with the identifier key being on the right
         * side.
   */
        initEnv(false);
        Locker txn = new BasicLocker(DbInternal.envGetEnvironmentImpl(env));
        NullCursor cursor = new NullCursor(tree.getDatabase(), txn);
        for (int i = 0; i < 21; i++) {
            byte[] key = new byte[N_KEY_BYTES];
            TestUtils.generateRandomAlphaBytes(key);
            insertAndRetrieve(cursor, key, new LN((byte[]) null));
        }

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Examples of com.sleepycat.je.dbi.NullCursor

  throws DatabaseException {


        byte[][] keys = new byte[N_KEYS][];
        LN[] lns = new LN[N_KEYS];
        Locker txn = new BasicLocker(DbInternal.envGetEnvironmentImpl(env));
        NullCursor cursor = new NullCursor(tree.getDatabase(), txn);
        for (int i = 0; i < N_KEYS; i++) {
            byte[] key = new byte[N_KEY_BYTES];
            keys[i] = key;
            lns[i] = new LN((byte[]) null);
            TestUtils.generateRandomAlphaBytes(key);

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Examples of com.sleepycat.je.dbi.NullCursor

    private void doCountAndValidateKeys()
  throws DatabaseException {
        byte[][] keys = new byte[N_KEYS][];
        LN[] lns = new LN[N_KEYS];
        Locker txn = new BasicLocker(DbInternal.envGetEnvironmentImpl(env));
        NullCursor cursor = new NullCursor(tree.getDatabase(), txn);


        for (int i = 0; i < N_KEYS; i++) {
            byte[] key = new byte[N_KEY_BYTES];
            keys[i] = key;
            lns[i] = new LN((byte[]) null);

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Examples of com.sleepycat.je.dbi.NullCursor

  throws DatabaseException {


        byte[][] keys = new byte[N_KEYS][];
        LN[] lns = new LN[N_KEYS];
        Locker txn = new BasicLocker(DbInternal.envGetEnvironmentImpl(env));
        NullCursor cursor = new NullCursor(tree.getDatabase(), txn);
        for (int i = 0; i < N_KEYS; i++) {
            byte[] key = new byte[N_KEY_BYTES];
            keys[i] = key;
            lns[i] = new LN((byte[]) null);
            TestUtils.generateRandomAlphaBytes(key);

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Examples of com.sleepycat.je.dbi.NullCursor

    public void testAscendingInsertBalance()
  throws DatabaseException {


        initEnv(false);
        Locker txn = new BasicLocker(DbInternal.envGetEnvironmentImpl(env));
        NullCursor cursor = new NullCursor(tree.getDatabase(), txn);


        /* Fill up a db with data */
        for (int i = 0; i < N_KEYS; i++) {
            byte[] keyBytes = new byte[4];
            TestUtils.putUnsignedInt(keyBytes, TestUtils.alphaKey(i));

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Examples of com.sleepycat.je.dbi.NullCursor


    public void testDescendingInsertBalance()
  throws DatabaseException {
        initEnv(false);
        Locker txn = new BasicLocker(DbInternal.envGetEnvironmentImpl(env));
        NullCursor cursor = new NullCursor(tree.getDatabase(), txn);


        for (int i = N_KEYS; i >= 0; --i) {
            byte[] keyBytes = new byte[4];
            TestUtils.putUnsignedInt(keyBytes, TestUtils.alphaKey(i));
            insertAndRetrieve(cursor, keyBytes,

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Examples of com.sleepycat.je.dbi.NullCursor


        initEnv(false);
  byte[][] keys = new byte[N_KEYS][];
  LN[] lns = new LN[N_KEYS];
        Locker txn = new BasicLocker(DbInternal.envGetEnvironmentImpl(env));
        NullCursor cursor = new NullCursor(tree.getDatabase(), txn);
        
  for (int i = 0; i < N_KEYS; i++) {
      byte[] key = new byte[N_KEY_BYTES];
      keys[i] = key;
      lns[i] = new LN((byte[]) new byte[1]);

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