Examples with Value org.exist.storage.btree.Value used on opensource projects

Example 41 with Value

use of org.exist.storage.btree.Value in project exist by eXist-db.

the class BTreeTest method read.

public void read(int count) throws DBException, IOException, TerminatedException {
    BTree btree = null;
    try {
        System.out.println("Loading btree ...");
        btree = new BTree(pool, BTREE_TEST_FILE_ID, BTREE_TEST_FILE_VERSION, false, pool.getCacheManager(), file);
        btree.open((short) -1);
        String prefixStr = "KEY";
        for (int i = 1; i <= count; i++) {
            Value value = new Value(prefixStr + Integer.toString(i));
            long r = btree.findValue(value);
            if (r == -1) {
                System.out.println("Key not found: " + i);
            }
        }
    } finally {
        if (btree != null) {
            btree.close();
        }
    }
}

Example 42 with Value

use of org.exist.storage.btree.Value in project exist by eXist-db.

the class BTreeTest method create.

public void create(int count) throws DBException, IOException {
    FileUtils.deleteQuietly(file);
    try (BTree btree = new BTree(pool, BTREE_TEST_FILE_ID, BTREE_TEST_FILE_VERSION, false, pool.getCacheManager(), file)) {
        btree.create((short) -1);
        String prefixStr = "KEY";
        for (int i = 1; i <= count; i++) {
            Value value = new Value(prefixStr + Integer.toString(i));
            btree.addValue(value, i);
        }
        btree.flush();
        try (final OutputStreamWriter writer = new OutputStreamWriter(System.out)) {
            btree.dump(writer);
            writer.flush();
        }
    }
}

Example 43 with Value

use of org.exist.storage.btree.Value in project exist by eXist-db.

the class ValueIndexFactoryTest method negativeNumbersComparison.

@Ignore
@Test
public void negativeNumbersComparison() {
    // -8.6...
    final ByteBuffer data1 = encode(-8.612328);
    // 1.0
    final ByteBuffer data2 = encode(1.0);
    // // print data
    // print(data1);
    // print(data2);
    // -8.6 < 1.0
    assertTrue(data1.compareTo(data2) <= -1);
    // -8.6 < 1.0
    assertEquals("v1 < v2", -1, new Value(data1.array()).compareTo(new Value(data2.array())));
}

Example 44 with Value

use of org.exist.storage.btree.Value in project exist by eXist-db.

the class ValueIndexFactoryTest method negativeNumbersComparison2.

@Ignore
@Test
public void negativeNumbersComparison2() {
    // -8.6...
    final ByteBuffer data1 = encode(8.612328);
    // 1.0
    final ByteBuffer data2 = encode(-1.0);
    // // print data
    // print(data1);
    // print(data2);
    // -8.6 < 1.0
    assertTrue(data1.compareTo(data2) >= 1);
    // -8.6 < 1.0
    assertEquals("v1 < v2", 1, new Value(data1.array()).compareTo(new Value(data2.array())));
}