Java CompareOp.NOT_EQUAL属性代码示例

public static String printRange(Range r) {
  StringBuilder sb = new StringBuilder();
  sb.append("[" + Bytes.toString(r.getFamily()) + ":" + Bytes.toString(r.getQualifier())
      + "], values (");
  if (r.getStartValue() != null) {
    sb.append(LCIndexConstant.getStringOfValueAndType(r.getDataType(), r.getStartValue()));
    if (r.getStartType() == CompareOp.EQUAL || r.getStartType() == CompareOp.NOT_EQUAL) {
      sb.append(" <== ").append(r.getStartType()).append(" )");
      return sb.toString();
    }
  } else {
    sb.append("null");
  }
  sb.append(", ");
  if (r.getStopValue() != null) {
    sb.append(LCIndexConstant.getStringOfValueAndType(r.getDataType(), r.getStopValue()));
  } else {
    sb.append("MAX");
  }
  sb.append(")");
  return sb.toString();
}
 

public static Range[] fromFilter(SingleColumnValueFilter filter) {
  if (!(filter.getComparator() instanceof BinaryComparator)) {
    return new Range[0];
  }

  byte[] column = KeyValue.makeColumn(filter.getFamily(), filter.getQualifier());
  CompareOp compareOp = filter.getOperator();
  byte[] value = filter.getComparator().getValue();

  if (compareOp == CompareOp.NOT_EQUAL) {
    return new Range[] { new Range(column, null, CompareOp.NO_OP, value, CompareOp.LESS),
        new Range(column, value, CompareOp.GREATER, null, CompareOp.NO_OP) };
  } else {
    switch (compareOp) {
    case EQUAL:
    case GREATER_OR_EQUAL:
    case GREATER:
      return new Range[] { new Range(column, value, compareOp, null, CompareOp.NO_OP) };
    case LESS:
    case LESS_OR_EQUAL:
      return new Range[] { new Range(column, null, CompareOp.NO_OP, value, compareOp) };
    default:
      return new Range[0];
    }
  }
}
 

/**
* Takes a compareOperator symbol as a byte array and returns the corresponding CompareOperator
* <p>
* @param compareOpAsByteArray the comparatorOperator symbol as a byte array
* @return the Compare Operator
*/
 public static CompareFilter.CompareOp createCompareOp (byte [] compareOpAsByteArray) {
   ByteBuffer compareOp = ByteBuffer.wrap(compareOpAsByteArray);
   if (compareOp.equals(ParseConstants.LESS_THAN_BUFFER))
     return CompareOp.LESS;
   else if (compareOp.equals(ParseConstants.LESS_THAN_OR_EQUAL_TO_BUFFER))
     return CompareOp.LESS_OR_EQUAL;
   else if (compareOp.equals(ParseConstants.GREATER_THAN_BUFFER))
     return CompareOp.GREATER;
   else if (compareOp.equals(ParseConstants.GREATER_THAN_OR_EQUAL_TO_BUFFER))
     return CompareOp.GREATER_OR_EQUAL;
   else if (compareOp.equals(ParseConstants.NOT_EQUAL_TO_BUFFER))
     return CompareOp.NOT_EQUAL;
   else if (compareOp.equals(ParseConstants.EQUAL_TO_BUFFER))
     return CompareOp.EQUAL;
   else
     throw new IllegalArgumentException("Invalid compare operator");
 }
 

@Test
public void testSkipFilter() throws IOException {

  // Test for qualifier regex: "testQualifierOne-2"
  // Should only get rows from second group, and all keys
  Filter f = new SkipFilter(new QualifierFilter(CompareOp.NOT_EQUAL,
      new BinaryComparator(Bytes.toBytes("testQualifierOne-2"))));
  Scan s = new Scan();
  s.setFilter(f);

  KeyValue [] kvs = {
      // testRowTwo-0
      new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]),
      new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]),
      new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]),
      new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]),
      new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]),
      new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]),
      // testRowTwo-2
      new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]),
      new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]),
      new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]),
      new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]),
      new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]),
      new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]),
      // testRowTwo-3
      new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]),
      new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]),
      new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]),
      new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]),
      new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]),
      new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]),
  };
  verifyScanFull(s, kvs);
}
 

/**
 * Set start type for start value.
 * @param startType - can only be EQUAL, GREATER, GREATER_OR_EQUAL or NO_OP
 */
public void setStartType(CompareOp startType) {
  if (startType == CompareOp.LESS || startType == CompareOp.LESS_OR_EQUAL
      || startType == CompareOp.NOT_EQUAL) {
    throw new IllegalArgumentException("Illegal start type: " + startType.toString());
  }
  this.startType = startType;
}
 

/**
 * Set end type for end value.
 * @param stopType - can only be LESS , LESS_OR_EQUAL or NO_OP
 */
public void setStopType(CompareOp stopType) {
  if (stopType == CompareOp.EQUAL || stopType == CompareOp.GREATER
      || stopType == CompareOp.GREATER_OR_EQUAL || stopType == CompareOp.NOT_EQUAL) {
    throw new IllegalArgumentException("Illegal end type: " + stopType.toString());
  }

  this.stopType = stopType;
}
 

public static Filter createFilterFromArguments(ArrayList<byte []> filterArguments) {
  Preconditions.checkArgument(filterArguments.size() == 4 || filterArguments.size() == 6,
                              "Expected 4 or 6 but got: %s", filterArguments.size());
  byte [] family = ParseFilter.removeQuotesFromByteArray(filterArguments.get(0));
  byte [] qualifier = ParseFilter.removeQuotesFromByteArray(filterArguments.get(1));
  CompareOp compareOp = ParseFilter.createCompareOp(filterArguments.get(2));
  ByteArrayComparable comparator = ParseFilter.createComparator(
    ParseFilter.removeQuotesFromByteArray(filterArguments.get(3)));

  if (comparator instanceof RegexStringComparator ||
      comparator instanceof SubstringComparator) {
    if (compareOp != CompareOp.EQUAL &&
        compareOp != CompareOp.NOT_EQUAL) {
      throw new IllegalArgumentException ("A regexstring comparator and substring comparator " +
                                          "can only be used with EQUAL and NOT_EQUAL");
    }
  }

  SingleColumnValueFilter filter = new SingleColumnValueFilter(family, qualifier,
                                                               compareOp, comparator);

  if (filterArguments.size() == 6) {
    boolean filterIfMissing = ParseFilter.convertByteArrayToBoolean(filterArguments.get(4));
    boolean latestVersionOnly = ParseFilter.convertByteArrayToBoolean(filterArguments.get(5));
    filter.setFilterIfMissing(filterIfMissing);
    filter.setLatestVersionOnly(latestVersionOnly);
  }
  return filter;
}
 

@Test
public void testSkipFilter() throws Exception {
  // Test for qualifier regex: "testQualifierOne-2"
  // Should only get rows from second group, and all keys
  Filter f = new SkipFilter(new QualifierFilter(CompareOp.NOT_EQUAL,
      new BinaryComparator(Bytes.toBytes("testQualifierOne-2"))));
  Scan s = new Scan();
  s.setFilter(f);
  
  KeyValue [] kvs = {
      // testRowTwo-0
      new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]),
      new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]),
      new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]),
      new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]),
      new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]),
      new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]),
      // testRowTwo-2
      new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]),
      new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]),
      new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]),
      new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]),
      new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]),
      new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]),
      // testRowTwo-3
      new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]),
      new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]),
      new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]),
      new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]),
      new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]),
      new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]),
  };
  verifyScanFull(s, kvs);
}
 

private Filter nullFilterNew() {
  return new SingleColumnValueFilter(COLUMN_FAMILY, COLUMN_QUALIFIER, CompareOp.NOT_EQUAL,
      new NullComparator());
}