Example usage for java.nio ByteBuffer putShort

Introduction

In this page you can find the example usage for java.nio ByteBuffer putShort.

Prototype

public abstract ByteBuffer putShort(short value);

Source Link

Document

Writes the given short to the current position and increases the position by 2.

Usage

From source file:org.apache.hadoop.hbase.filter.TestFuzzyRowFilterEndToEnd.java

private void runTest1(Table hTable) throws IOException {
    // [0, 2, ?, ?, ?, ?, 0, 0, 0, 1]

    byte[] mask = new byte[] { 0, 0, 1, 1, 1, 1, 0, 0, 0, 0 };

    List<Pair<byte[], byte[]>> list = new ArrayList<Pair<byte[], byte[]>>();
    for (int i = 0; i < totalFuzzyKeys; i++) {
        byte[] fuzzyKey = new byte[10];
        ByteBuffer buf = ByteBuffer.wrap(fuzzyKey);
        buf.clear();/*from   w  w w  .  j a  va2  s  .c o  m*/
        buf.putShort((short) 2);
        for (int j = 0; j < 4; j++) {
            buf.put(fuzzyValue);
        }
        buf.putInt(i);

        Pair<byte[], byte[]> pair = new Pair<byte[], byte[]>(fuzzyKey, mask);
        list.add(pair);
    }

    int expectedSize = secondPartCardinality * totalFuzzyKeys * colQualifiersTotal;
    FuzzyRowFilter fuzzyRowFilter0 = new FuzzyRowFilter(list);
    // Filters are not stateless - we can't reuse them
    FuzzyRowFilter fuzzyRowFilter1 = new FuzzyRowFilter(list);

    // regular test
    runScanner(hTable, expectedSize, fuzzyRowFilter0);
    // optimized from block cache
    runScanner(hTable, expectedSize, fuzzyRowFilter1);

}

---

From source file:org.apache.kylin.storage.hbase.cube.v1.filter.TestFuzzyRowFilterV2EndToEnd.java

private void runTest2(HTable hTable) throws IOException {
    // [0, 0, ?, ?, ?, ?, 0, 0, 0, 0] , [0, 1, ?, ?, ?, ?, 0, 0, 0, 1]...

    byte[] mask = new byte[] { 0, 0, 1, 1, 1, 1, 0, 0, 0, 0 };

    List<Pair<byte[], byte[]>> list = new ArrayList<Pair<byte[], byte[]>>();

    for (int i = 0; i < totalFuzzyKeys; i++) {
        byte[] fuzzyKey = new byte[10];
        ByteBuffer buf = ByteBuffer.wrap(fuzzyKey);
        buf.clear();//from ww w.  j  a v a2 s .co m
        buf.putShort((short) (i * 2));
        for (int j = 0; j < 4; j++) {
            buf.put(fuzzyValue);
        }
        buf.putInt(i * 2);

        Pair<byte[], byte[]> pair = Pair.newPair(fuzzyKey, mask);
        list.add(pair);
    }

    int expectedSize = totalFuzzyKeys * secondPartCardinality * colQualifiersTotal;

    FuzzyRowFilterV2 fuzzyRowFilter0 = new FuzzyRowFilterV2(list);
    // Filters are not stateless - we can't reuse them
    FuzzyRowFilterV2 fuzzyRowFilter1 = new FuzzyRowFilterV2(list);

    // regular test
    runScanner(hTable, expectedSize, fuzzyRowFilter0);
    // optimized from block cache
    runScanner(hTable, expectedSize, fuzzyRowFilter1);

}

---

From source file:org.apache.hadoop.hbase.filter.TestFuzzyRowFilterEndToEnd.java

private void runTest2(Table hTable) throws IOException {
    // [0, 0, ?, ?, ?, ?, 0, 0, 0, 0] , [0, 1, ?, ?, ?, ?, 0, 0, 0, 1]...

    byte[] mask = new byte[] { 0, 0, 1, 1, 1, 1, 0, 0, 0, 0 };

    List<Pair<byte[], byte[]>> list = new ArrayList<Pair<byte[], byte[]>>();

    for (int i = 0; i < totalFuzzyKeys; i++) {
        byte[] fuzzyKey = new byte[10];
        ByteBuffer buf = ByteBuffer.wrap(fuzzyKey);
        buf.clear();/*w ww .jav  a  2 s. c om*/
        buf.putShort((short) (i * 2));
        for (int j = 0; j < 4; j++) {
            buf.put(fuzzyValue);
        }
        buf.putInt(i * 2);

        Pair<byte[], byte[]> pair = new Pair<byte[], byte[]>(fuzzyKey, mask);
        list.add(pair);
    }

    int expectedSize = totalFuzzyKeys * secondPartCardinality * colQualifiersTotal;

    FuzzyRowFilter fuzzyRowFilter0 = new FuzzyRowFilter(list);
    // Filters are not stateless - we can't reuse them
    FuzzyRowFilter fuzzyRowFilter1 = new FuzzyRowFilter(list);

    // regular test
    runScanner(hTable, expectedSize, fuzzyRowFilter0);
    // optimized from block cache
    runScanner(hTable, expectedSize, fuzzyRowFilter1);

}

---

From source file:org.onlab.packet.DhcpTest.java

@Before
public void setUp() {
    hostNameOption.setCode((byte) 55);
    hostNameOption.setLength((byte) hostName.length());
    hostNameOption.setData(hostName.getBytes(Charsets.US_ASCII));

    // Packet length is the fixed DHCP header plus option length plus an
    // extra byte to indicate 'end of options'.
    ByteBuffer bb = ByteBuffer.allocate(DHCP.MIN_HEADER_LENGTH + 2 + hostNameOption.getLength() + 1);

    bb.put(opCode);//from   w  ww . j a va 2s  .  co m
    bb.put(hardwareType);
    bb.put(hardwareAddressLength);
    bb.put(hops);
    bb.putInt(transactionId);
    bb.putShort(seconds);
    bb.putShort(flags);
    bb.putInt(clientIpAddress);
    bb.putInt(yourIpAddress);
    bb.putInt(serverIpAddress);
    bb.putInt(gatewayIpAddress);
    bb.put(clientHardwareAddress);

    // need 16 bytes of zeros to pad out the client hardware address field
    bb.put(new byte[16 - hardwareAddressLength]);

    // Put server name and pad out to 64 bytes
    bb.put(serverName.getBytes(Charsets.US_ASCII));
    bb.put(new byte[64 - serverName.length()]);

    // Put boot file name and pad out to 128 bytes
    bb.put(bootFileName.getBytes(Charsets.US_ASCII));
    bb.put(new byte[128 - bootFileName.length()]);

    // Magic cookie
    bb.put("DHCP".getBytes(Charsets.US_ASCII));

    bb.put(hostNameOption.getCode());
    bb.put(hostNameOption.getLength());
    bb.put(hostNameOption.getData());

    // End of options marker
    bb.put((byte) (0xff & 255));

    byteHeader = bb.array();
}

---

From source file:org.apache.kylin.storage.hbase.cube.v1.filter.TestFuzzyRowFilterV2EndToEnd.java

@SuppressWarnings("deprecation")
@Test//from w ww.j  a  v  a2  s . c o m
public void testFilterList() throws Exception {
    String cf = "f";
    String table = "TestFuzzyRowFiltersInFilterList";
    HTable ht = TEST_UTIL.createTable(TableName.valueOf(table), Bytes.toBytes(cf), Integer.MAX_VALUE);

    // 10 byte row key - (2 bytes 4 bytes 4 bytes)
    // 4 byte qualifier
    // 4 byte value

    for (int i1 = 0; i1 < 5; i1++) {
        for (int i2 = 0; i2 < 5; i2++) {
            byte[] rk = new byte[10];

            ByteBuffer buf = ByteBuffer.wrap(rk);
            buf.clear();
            buf.putShort((short) 2);
            buf.putInt(i1);
            buf.putInt(i2);

            // Each row contains 5 columns
            for (int c = 0; c < 5; c++) {
                byte[] cq = new byte[4];
                Bytes.putBytes(cq, 0, Bytes.toBytes(c), 0, 4);

                Put p = new Put(rk);
                p.setDurability(Durability.SKIP_WAL);
                p.add(cf.getBytes(), cq, Bytes.toBytes(c));
                ht.put(p);
                LOG.info("Inserting: rk: " + Bytes.toStringBinary(rk) + " cq: " + Bytes.toStringBinary(cq));
            }
        }
    }

    TEST_UTIL.flush();

    // test passes if we get back 5 KV's (1 row)
    runTest(ht, 5);

}

---

From source file:org.apache.hadoop.hbase.filter.TestFuzzyRowFilterEndToEnd.java

@SuppressWarnings("deprecation")
@Test// ww w  .j  a  v a2s.c o m
public void testFilterList() throws Exception {
    String cf = "f";
    String table = "TestFuzzyRowFiltersInFilterList";
    Table ht = TEST_UTIL.createTable(TableName.valueOf(table), Bytes.toBytes(cf), Integer.MAX_VALUE);

    // 10 byte row key - (2 bytes 4 bytes 4 bytes)
    // 4 byte qualifier
    // 4 byte value

    for (int i1 = 0; i1 < 5; i1++) {
        for (int i2 = 0; i2 < 5; i2++) {
            byte[] rk = new byte[10];

            ByteBuffer buf = ByteBuffer.wrap(rk);
            buf.clear();
            buf.putShort((short) 2);
            buf.putInt(i1);
            buf.putInt(i2);

            // Each row contains 5 columns
            for (int c = 0; c < 5; c++) {
                byte[] cq = new byte[4];
                Bytes.putBytes(cq, 0, Bytes.toBytes(c), 0, 4);

                Put p = new Put(rk);
                p.setDurability(Durability.SKIP_WAL);
                p.add(cf.getBytes(), cq, Bytes.toBytes(c));
                ht.put(p);
                LOG.info("Inserting: rk: " + Bytes.toStringBinary(rk) + " cq: " + Bytes.toStringBinary(cq));
            }
        }
    }

    TEST_UTIL.flush();

    // test passes if we get back 5 KV's (1 row)
    runTest(ht, 5);

}

---

From source file:org.apache.kylin.storage.hbase.cube.v1.filter.TestFuzzyRowFilterV2EndToEnd.java

@Test
public void testEndToEnd() throws Exception {
    String cf = "f";

    HTable ht = TEST_UTIL.createTable(TableName.valueOf(table), Bytes.toBytes(cf), Integer.MAX_VALUE);

    // 10 byte row key - (2 bytes 4 bytes 4 bytes)
    // 4 byte qualifier
    // 4 byte value

    for (int i0 = 0; i0 < firstPartCardinality; i0++) {

        for (int i1 = 0; i1 < secondPartCardinality; i1++) {

            for (int i2 = 0; i2 < thirdPartCardinality; i2++) {
                byte[] rk = new byte[10];

                ByteBuffer buf = ByteBuffer.wrap(rk);
                buf.clear();/*  w w w .java2  s .c  o  m*/
                buf.putShort((short) i0);
                buf.putInt(i1);
                buf.putInt(i2);
                for (int c = 0; c < colQualifiersTotal; c++) {
                    byte[] cq = new byte[4];
                    Bytes.putBytes(cq, 0, Bytes.toBytes(c), 0, 4);

                    Put p = new Put(rk);
                    p.setDurability(Durability.SKIP_WAL);
                    p.add(cf.getBytes(), cq, Bytes.toBytes(c));
                    ht.put(p);
                }
            }
        }
    }

    TEST_UTIL.flush();

    // test passes
    runTest1(ht);
    runTest2(ht);

}

---

From source file:org.apache.hadoop.hbase.filter.TestFuzzyRowFilterEndToEnd.java

@Test
public void testEndToEnd() throws Exception {
    String cf = "f";

    Table ht = TEST_UTIL.createTable(TableName.valueOf(table), Bytes.toBytes(cf), Integer.MAX_VALUE);

    // 10 byte row key - (2 bytes 4 bytes 4 bytes)
    // 4 byte qualifier
    // 4 byte value

    for (int i0 = 0; i0 < firstPartCardinality; i0++) {

        for (int i1 = 0; i1 < secondPartCardinality; i1++) {

            for (int i2 = 0; i2 < thirdPartCardinality; i2++) {
                byte[] rk = new byte[10];

                ByteBuffer buf = ByteBuffer.wrap(rk);
                buf.clear();//from w w w .  j a v a  2 s .com
                buf.putShort((short) i0);
                buf.putInt(i1);
                buf.putInt(i2);
                for (int c = 0; c < colQualifiersTotal; c++) {
                    byte[] cq = new byte[4];
                    Bytes.putBytes(cq, 0, Bytes.toBytes(c), 0, 4);

                    Put p = new Put(rk);
                    p.setDurability(Durability.SKIP_WAL);
                    p.add(cf.getBytes(), cq, Bytes.toBytes(c));
                    ht.put(p);
                }
            }
        }
    }

    TEST_UTIL.flush();

    // test passes
    runTest1(ht);
    runTest2(ht);

}

---

From source file:com.offbynull.portmapper.pcp.PcpRequest.java

/**
 * Dump this PCP request in to a byte buffer.
 * @param dst byte buffer to dump to/*from www  . ja v a 2  s  . com*/
 * @param selfAddress IP address of this machine on the interface used to access the PCP server
 * @throws NullPointerException if any argument is {@code null}
 * @throws BufferOverflowException if {@code dst} doesn't have enough space to write this option
 * @throws ReadOnlyBufferException if {@code dst} is read-only
 */
public final void dump(ByteBuffer dst, InetAddress selfAddress) {
    Validate.notNull(dst);
    Validate.notNull(selfAddress);

    dst.put((byte) 2);
    dst.put((byte) op); // topmost bit should be 0, because op is between 0 to 127, which means r-flag = 0
    dst.putShort((short) 0);
    dst.putInt((int) lifetime);

    byte[] selfAddressArr = selfAddress.getAddress();
    switch (selfAddressArr.length) {
    case 4: {
        // convert ipv4 address to ipv4-mapped ipv6 address
        for (int i = 0; i < 10; i++) {
            dst.put((byte) 0);
        }

        for (int i = 0; i < 2; i++) {
            dst.put((byte) 0xff);
        }

        dst.put(selfAddressArr);
        break;
    }
    case 16: {
        dst.put(selfAddressArr);
        break;
    }
    default:
        throw new IllegalArgumentException(); // should never happen
    }

    dumpOpCodeSpecificInformation(dst);

    for (PcpOption option : options) {
        option.dump(dst);
    }
}

---

From source file:org.cosmo.common.util.Util.java

public static long shortsToLong2(short[] shorts) {
    ByteBuffer b = ByteBuffer.allocate(8);
    b.putShort(shorts[0]);
    b.putShort(shorts[1]);/*ww w.j  a  va  2s.  com*/
    b.putShort(shorts[2]);
    b.putShort(shorts[3]);
    b.rewind();
    return b.getLong();
}

---

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