Example usage for org.apache.hadoop.io WritableComparator compareBytes

Introduction

In this page you can find the example usage for org.apache.hadoop.io WritableComparator compareBytes.

Prototype

public static int compareBytes(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2)

Source Link

Document

Lexicographic order of binary data.

Usage

From source file:boa.io.EmitKey.java

License:Apache License

/** {@inheritDoc} */
@Override//  w  w w . j av  a  2  s.  co m
public int compare(final byte[] b1, final int s1, final int l1, final byte[] b2, final int s2, final int l2) {
    return WritableComparator.compareBytes(b1, s1, l1, b2, s2, l2);
}

From source file:cascading.tuple.hadoop.BytesComparator.java

License:Open Source License

@Override
public int compare(byte[] lhs, byte[] rhs) {
    if (lhs == rhs)
        return 0;

    return WritableComparator.compareBytes(lhs, 0, lhs.length, rhs, 0, rhs.length);
}

From source file:cascading.tuple.hadoop.BytesComparator.java

License:Open Source License

@Override
public int compare(BufferedInputStream lhsStream, BufferedInputStream rhsStream) {
    byte[] lhs = lhsStream.getBuffer();
    int lhsPos = lhsStream.getPosition();
    int lhsLen = readLen(lhs, lhsPos);

    lhsStream.skip(lhsLen + 4);//from  ww w . ja  v a2 s.  c  o  m

    byte[] rhs = rhsStream.getBuffer();
    int rhsPos = rhsStream.getPosition();
    int rhsLen = readLen(rhs, rhsPos);

    rhsStream.skip(rhsLen + 4);

    return WritableComparator.compareBytes(lhs, lhsPos + 4, lhsLen, rhs, rhsPos + 4, rhsLen);
}

From source file:co.nubetech.hiho.dedup.HihoTuple.java

License:Apache License

@Override
public int compareTo(HihoTuple hihoTuple) {
    return WritableComparator.compareBytes(this.hash.getDigest(), 0, this.hash.MD5_LEN,
            hihoTuple.hash.getDigest(), 0, hihoTuple.hash.MD5_LEN);
}

From source file:com.asakusafw.runtime.stage.collector.SortableSlot.java

License:Apache License

@Override
public int compareTo(SortableSlot o) {
    if (slotNumber < o.slotNumber) {
        return -1;
    } else if (slotNumber > o.slotNumber) {
        return +1;
    }/*from  w w w  .jav a2 s  . c o  m*/
    return WritableComparator.compareBytes(buffer.getData(), 0, buffer.getReadLimit(), o.buffer.getData(), 0,
            o.buffer.getReadLimit());
}

From source file:com.asakusafw.runtime.stage.directio.StringTemplate.java

License:Apache License

/**
 * Compares two objects in bytes./*from  ww  w .  jav  a 2  s  .  c o m*/
 * @param b1 bytes representation of the first object
 * @param o1 offset of the first object
 * @param b2 bytes representation of the second object
 * @param o2 offset of the second object
 * @return the comparison result
 * @throws IOException if failed to comparison
 */
@Override
public final int compareInBytes(byte[] b1, int o1, byte[] b2, int o2) throws IOException {
    int l1 = getSizeInBytes(b1, o1);
    int l2 = getSizeInBytes(b2, o2);
    return WritableComparator.compareBytes(b1, o1, l1, b2, o2, l2);
}

From source file:com.asakusafw.runtime.util.BasicByteArrayComparator.java

License:Apache License

@Override
public int compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2) {
    return WritableComparator.compareBytes(b1, s1, l1, b2, s2, l2);
}

From source file:com.asakusafw.runtime.value.DoubleOption.java

License:Apache License

/**
 * ???2?????/*from   ww  w  . ja v a 2s .  c  o  m*/
 * @param b1 ???
 * @param s1 ?????
 * @param l1 ???????????????
 * @param b2 ???
 * @param s2 ?????
 * @param l2 ???????????????
 * @return ?
 */
public static int compareBytes(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2) {
    int len1 = getBytesLength(b1, s1, l1);
    int len2 = getBytesLength(b2, s2, l2);
    return WritableComparator.compareBytes(b1, s1, len1, b2, s2, len2);
}

From source file:com.bah.culvert.data.CKeyValue.java

License:Apache License

@Override
public int compareTo(CKeyValue other) {
    int compare = this.compareKey(other);
    if (compare == 0)
        compare = WritableComparator.compareBytes(this.value, 0, this.value.length, other.value, 0,
                other.value.length);//  w  ww . ja v a2  s .  c o m

    return compare;
}

From source file:com.bah.culvert.data.CKeyValue.java

License:Apache License

/**
 * Compares the key portion of a KeyValue
 * @param other to compare to//from w ww.  j  a v a2  s .c o m
 * @return 0 if they are equal, a byte wise comparison of rowId, family,
 *         qualifier, and then timestamp
 */
public int compareKey(CKeyValue other) {
    int compare = WritableComparator.compareBytes(this.rowId, 0, this.rowId.length, other.rowId, 0,
            other.rowId.length);
    if (compare != 0) {
        return compare;
    }

    compare = WritableComparator.compareBytes(this.family, 0, this.family.length, other.family, 0,
            other.family.length);
    if (compare != 0) {
        return compare;
    }

    compare = WritableComparator.compareBytes(this.qualifier, 0, this.qualifier.length, other.qualifier, 0,
            other.qualifier.length);
    if (compare != 0) {
        return compare;
    }

    // TODO add this back in when we are considering time stamps
    // if(this.timestamp < other.timestamp)
    // return -1;
    // else if(this.timestamp > other.timestamp)
    // return 1;

    return compare;
}