Examples with StoreFileWriter org.apache.hadoop.hbase.regionserver.StoreFileWriter used on opensource projects

Example 16 with StoreFileWriter

use of org.apache.hadoop.hbase.regionserver.StoreFileWriter in project hbase by apache.

the class TestMobFile method testReadKeyValue.

@Test
public void testReadKeyValue() throws Exception {
    Path testDir = TEST_UTIL.getDataTestDir();
    FileSystem fs = testDir.getFileSystem(conf);
    HFileContext meta = new HFileContextBuilder().withBlockSize(8 * 1024).build();
    StoreFileWriter writer = new StoreFileWriter.Builder(conf, cacheConf, fs).withOutputDir(testDir).withFileContext(meta).build();
    String caseName = getName();
    MobTestUtil.writeStoreFile(writer, caseName);
    MobFile mobFile = new MobFile(new StoreFile(fs, writer.getPath(), conf, cacheConf, BloomType.NONE));
    byte[] family = Bytes.toBytes(caseName);
    byte[] qualify = Bytes.toBytes(caseName);
    // Test the start key
    // The start key bytes
    byte[] startKey = Bytes.toBytes("aa");
    KeyValue expectedKey = new KeyValue(startKey, family, qualify, Long.MAX_VALUE, Type.Put, startKey);
    KeyValue seekKey = expectedKey.createKeyOnly(false);
    Cell cell = mobFile.readCell(seekKey, false);
    MobTestUtil.assertCellEquals(expectedKey, cell);
    // Test the end key
    // The end key bytes
    byte[] endKey = Bytes.toBytes("zz");
    expectedKey = new KeyValue(endKey, family, qualify, Long.MAX_VALUE, Type.Put, endKey);
    seekKey = expectedKey.createKeyOnly(false);
    cell = mobFile.readCell(seekKey, false);
    MobTestUtil.assertCellEquals(expectedKey, cell);
    // Test the random key
    byte[] randomKey = Bytes.toBytes(MobTestUtil.generateRandomString(2));
    expectedKey = new KeyValue(randomKey, family, qualify, Long.MAX_VALUE, Type.Put, randomKey);
    seekKey = expectedKey.createKeyOnly(false);
    cell = mobFile.readCell(seekKey, false);
    MobTestUtil.assertCellEquals(expectedKey, cell);
    // Test the key which is less than the start key
    // Smaller than "aa"
    byte[] lowerKey = Bytes.toBytes("a1");
    expectedKey = new KeyValue(startKey, family, qualify, Long.MAX_VALUE, Type.Put, startKey);
    seekKey = new KeyValue(lowerKey, family, qualify, Long.MAX_VALUE, Type.Put, lowerKey);
    cell = mobFile.readCell(seekKey, false);
    MobTestUtil.assertCellEquals(expectedKey, cell);
    // Test the key which is more than the end key
    // Bigger than "zz"
    byte[] upperKey = Bytes.toBytes("z{");
    seekKey = new KeyValue(upperKey, family, qualify, Long.MAX_VALUE, Type.Put, upperKey);
    cell = mobFile.readCell(seekKey, false);
    assertNull(cell);
}

Example 17 with StoreFileWriter

use of org.apache.hadoop.hbase.regionserver.StoreFileWriter in project hbase by apache.

the class TestMobFile method testGetScanner.

@Test
public void testGetScanner() throws Exception {
    Path testDir = TEST_UTIL.getDataTestDir();
    FileSystem fs = testDir.getFileSystem(conf);
    HFileContext meta = new HFileContextBuilder().withBlockSize(8 * 1024).build();
    StoreFileWriter writer = new StoreFileWriter.Builder(conf, cacheConf, fs).withOutputDir(testDir).withFileContext(meta).build();
    MobTestUtil.writeStoreFile(writer, getName());
    MobFile mobFile = new MobFile(new StoreFile(fs, writer.getPath(), conf, cacheConf, BloomType.NONE));
    assertNotNull(mobFile.getScanner());
    assertTrue(mobFile.getScanner() instanceof StoreFileScanner);
}