Package org.apache.hadoop.hbase.KeyValue

Examples of org.apache.hadoop.hbase.KeyValue.KeyComparator.compare()

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    kv1 = new KeyValue(Bytes.toBytes("ilovehbase"), family, qualA, -5, Type.Put);
    kv2 = new KeyValue(Bytes.toBytes("ilovehbase"), family, qualA, -10, Type.Put);
    assertTrue(keyComparator.compare(kv1.getKey(), kv2.getKey()) < 0);
    newKey = keyComparator.getShortMidpointKey(kv1.getKey(), kv2.getKey());
    assertTrue(keyComparator.compare(kv1.getKey(), newKey) < 0);
    assertTrue(keyComparator.compare(newKey, kv2.getKey()) == 0);

    // verify: same with row, different with qualifier
    kv1 = new KeyValue(Bytes.toBytes("ilovehbase"), family, qualA, 5, Type.Put);
    kv2 = new KeyValue(Bytes.toBytes("ilovehbase"), family, qualB, 5, Type.Put);
    assertTrue(keyComparator.compare(kv1.getKey(), kv2.getKey()) < 0);
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    assertTrue(keyComparator.compare(newKey, kv2.getKey()) == 0);

    // verify: same with row, different with qualifier
    kv1 = new KeyValue(Bytes.toBytes("ilovehbase"), family, qualA, 5, Type.Put);
    kv2 = new KeyValue(Bytes.toBytes("ilovehbase"), family, qualB, 5, Type.Put);
    assertTrue(keyComparator.compare(kv1.getKey(), kv2.getKey()) < 0);
    newKey = keyComparator.getShortMidpointKey(kv1.getKey(), kv2.getKey());
    assertTrue(keyComparator.compare(kv1.getKey(), newKey) < 0);
    assertTrue(keyComparator.compare(newKey, kv2.getKey()) < 0);
    KeyValue newKeyValue = KeyValue.createKeyValueFromKey(newKey);
    assertTrue(Arrays.equals(newKeyValue.getFamily(),family));
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    // verify: same with row, different with qualifier
    kv1 = new KeyValue(Bytes.toBytes("ilovehbase"), family, qualA, 5, Type.Put);
    kv2 = new KeyValue(Bytes.toBytes("ilovehbase"), family, qualB, 5, Type.Put);
    assertTrue(keyComparator.compare(kv1.getKey(), kv2.getKey()) < 0);
    newKey = keyComparator.getShortMidpointKey(kv1.getKey(), kv2.getKey());
    assertTrue(keyComparator.compare(kv1.getKey(), newKey) < 0);
    assertTrue(keyComparator.compare(newKey, kv2.getKey()) < 0);
    KeyValue newKeyValue = KeyValue.createKeyValueFromKey(newKey);
    assertTrue(Arrays.equals(newKeyValue.getFamily(),family));
    assertTrue(Arrays.equals(newKeyValue.getQualifier(),qualB));
    assertTrue(newKeyValue.getTimestamp() == HConstants.LATEST_TIMESTAMP);
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    kv1 = new KeyValue(Bytes.toBytes("ilovehbase"), family, qualA, 5, Type.Put);
    kv2 = new KeyValue(Bytes.toBytes("ilovehbase"), family, qualB, 5, Type.Put);
    assertTrue(keyComparator.compare(kv1.getKey(), kv2.getKey()) < 0);
    newKey = keyComparator.getShortMidpointKey(kv1.getKey(), kv2.getKey());
    assertTrue(keyComparator.compare(kv1.getKey(), newKey) < 0);
    assertTrue(keyComparator.compare(newKey, kv2.getKey()) < 0);
    KeyValue newKeyValue = KeyValue.createKeyValueFromKey(newKey);
    assertTrue(Arrays.equals(newKeyValue.getFamily(),family));
    assertTrue(Arrays.equals(newKeyValue.getQualifier(),qualB));
    assertTrue(newKeyValue.getTimestamp() == HConstants.LATEST_TIMESTAMP);
    assertTrue(newKeyValue.getType() == Type.Maximum.getCode());
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    kv2 = new KeyValue(Bytes.toBytes("ilovehbase234"), family, qualA, 0, Type.Put);
    newKey = rootKeyComparator.getShortMidpointKey(kv1.getKey(), kv2.getKey());
    assertTrue(rootKeyComparator.compare(kv1.getKey(), newKey) < 0);
    assertTrue(rootKeyComparator.compare(newKey, kv2.getKey()) == 0);
    newKey = metaKeyComparator.getShortMidpointKey(kv1.getKey(), kv2.getKey());
    assertTrue(metaKeyComparator.compare(kv1.getKey(), newKey) < 0);
    assertTrue(metaKeyComparator.compare(newKey, kv2.getKey()) == 0);

    //verify common fix scenario
    kv1 = new KeyValue(Bytes.toBytes("ilovehbase"), family, qualA, ts, Type.Put);
    kv2 = new KeyValue(Bytes.toBytes("ilovehbaseandhdfs"), family, qualA, ts, Type.Put);
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    newKey = rootKeyComparator.getShortMidpointKey(kv1.getKey(), kv2.getKey());
    assertTrue(rootKeyComparator.compare(kv1.getKey(), newKey) < 0);
    assertTrue(rootKeyComparator.compare(newKey, kv2.getKey()) == 0);
    newKey = metaKeyComparator.getShortMidpointKey(kv1.getKey(), kv2.getKey());
    assertTrue(metaKeyComparator.compare(kv1.getKey(), newKey) < 0);
    assertTrue(metaKeyComparator.compare(newKey, kv2.getKey()) == 0);

    //verify common fix scenario
    kv1 = new KeyValue(Bytes.toBytes("ilovehbase"), family, qualA, ts, Type.Put);
    kv2 = new KeyValue(Bytes.toBytes("ilovehbaseandhdfs"), family, qualA, ts, Type.Put);
    assertTrue(keyComparator.compare(kv1.getKey(), kv2.getKey()) < 0);
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