本文整理了Java中org.apache.accumulo.core.data.Range.followingPrefix方法的一些代码示例，展示了Range.followingPrefix的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Range.followingPrefix方法的具体详情如下：
包路径：org.apache.accumulo.core.data.Range
类名称：Range
方法名：followingPrefix

Range.followingPrefix介绍

[英]Returns a Text that sorts just after all Texts beginning with a prefix.
[中]返回在所有以前缀开头的文本之后排序的文本。

代码示例

代码示例来源：origin: apache/accumulo

/**
 * Returns a Range that covers all rows beginning with a prefix.
 *
 * @param rowPrefix
 *          prefix of rows to cover
 */
public static Range prefix(Text rowPrefix) {
 Text fp = followingPrefix(rowPrefix);
 return new Range(new Key(rowPrefix), true, fp == null ? null : new Key(fp), false);
}

代码示例来源：origin: apache/accumulo

/**
 * Returns a Range that covers all column families beginning with a prefix within a given row.
 *
 * @param row
 *          row to cover
 * @param cfPrefix
 *          prefix of column families to cover
 */
public static Range prefix(Text row, Text cfPrefix) {
 Text fp = followingPrefix(cfPrefix);
 return new Range(new Key(row, cfPrefix), true,
   fp == null ? new Key(row).followingKey(PartialKey.ROW) : new Key(row, fp), false);
}

代码示例来源：origin: apache/accumulo

/**
 * Returns a Range that covers all column qualifiers beginning with a prefix within a given row
 * and column family.
 *
 * @param row
 *          row to cover
 * @param cf
 *          column family to cover
 * @param cqPrefix
 *          prefix of column qualifiers to cover
 */
public static Range prefix(Text row, Text cf, Text cqPrefix) {
 Text fp = followingPrefix(cqPrefix);
 return new Range(new Key(row, cf, cqPrefix), true,
   fp == null ? new Key(row, cf).followingKey(PartialKey.ROW_COLFAM) : new Key(row, cf, fp),
   false);
}

代码示例来源：origin: apache/accumulo

/**
 * Returns a Range that covers all column visibilities beginning with a prefix within a given row,
 * column family, and column qualifier.
 *
 * @param row
 *          row to cover
 * @param cf
 *          column family to cover
 * @param cq
 *          column qualifier to cover
 * @param cvPrefix
 *          prefix of column visibilities to cover
 */
public static Range prefix(Text row, Text cf, Text cq, Text cvPrefix) {
 Text fp = followingPrefix(cvPrefix);
 return new Range(new Key(row, cf, cq, cvPrefix), true,
   fp == null ? new Key(row, cf, cq).followingKey(PartialKey.ROW_COLFAM_COLQUAL)
     : new Key(row, cf, cq, fp),
   false);
}

代码示例来源：origin: org.apache.rya/rya.indexing

@Override
  public Range getRange(final KeyParts keyParts) {
    final Text start = Range.followingPrefix(keyParts.getQueryKey());  // <-- specific logic
    Text endAt = null;  // no constraints                            // <-- specific logic
    if (keyParts.constraintPrefix != null ) {
      endAt = Range.followingPrefix(keyParts.constraintPrefix);
    }
    //System.out.println("Scanning queryInstantAfterInstant from after:" + KeyParts.toHumanString(start) + " up to:" + KeyParts.toHumanString(endAt));
    return new Range(start, true, endAt, false);
  }
};

代码示例来源：origin: apache/incubator-rya

@Override
  public Range getRange(final KeyParts keyParts) {
    final Text start = Range.followingPrefix(keyParts.getQueryKey());  // <-- specific logic
    Text endAt = null;  // no constraints                            // <-- specific logic
    if (keyParts.constraintPrefix != null ) {
      endAt = Range.followingPrefix(keyParts.constraintPrefix);
    }
    //System.out.println("Scanning queryInstantAfterInstant from after:" + KeyParts.toHumanString(start) + " up to:" + KeyParts.toHumanString(endAt));
    return new Range(start, true, endAt, false);
  }
};

代码示例来源：origin: Accla/graphulo

/**
 * Makes each input term into a prefix range.
 * "v1,v5," => "v1,:,v1\255,v5,:,v5\255,"
 */
public static String singletonsAsPrefix(Collection<Text> vktexts, char sep) {
 StringBuilder sb = new StringBuilder();
 for (Text vktext : vktexts) {
  sb.append(vktext.toString()).append(sep)
    .append(':').append(sep)
    .append(prevRow(Range.followingPrefix(new Text(vktext)).toString()))
    .append(sep);
 }
 return sb.toString();
}

代码示例来源：origin: Accla/graphulo

Text after = Range.followingPrefix(pt);
 return prefix + sep + ':' + sep + after.toString() + sep;
} else {

代码示例来源：origin: org.apache.rya/rya.indexing

@Override
  public Range getRange(final KeyParts keyParts) {
    final Text start = Range.followingPrefix(new Text(keyParts.getQueryKey(queryInterval.getHasBeginning())));
    final Text endAt = new Text(keyParts.getQueryKey(queryInterval.getHasEnd())); // <-- end specific logic
    //System.out.println("Scanning queryInstantInsideInterval: from excluding:" + KeyParts.toHumanString(start) + " up to:" + KeyParts.toHumanString(endAt));
    return new Range(start, false, endAt, false);
  }
};

代码示例来源：origin: apache/incubator-rya

@Override
  public Range getRange(final KeyParts keyParts) {
    final Text start = Range.followingPrefix(new Text(keyParts.getQueryKey(queryInterval.getHasBeginning())));
    final Text endAt = new Text(keyParts.getQueryKey(queryInterval.getHasEnd())); // <-- end specific logic
    //System.out.println("Scanning queryInstantInsideInterval: from excluding:" + KeyParts.toHumanString(start) + " up to:" + KeyParts.toHumanString(endAt));
    return new Range(start, false, endAt, false);
  }
};

代码示例来源：origin: Accla/graphulo

sb.append(vktext).append(sep)
  .append(':').append(sep)
  .append(prevRow(Range.followingPrefix(new Text(vktext)).toString()))
  .append(sep);

代码示例来源：origin: apache/incubator-rya

/**
 * Interval after given interval.  Find intervals that begin after the endings of the given interval.
 * Use the special following prefix mechanism to avoid matching the beginning date.
 * Indexing Intervals  will probably change or be removed.
 * Currently predicate and subject and context constraints are filtered on the client.
 */
@Override
public CloseableIteration<Statement, QueryEvaluationException> queryIntervalAfter(
    final TemporalInterval queryInterval, final StatementConstraints constraints)
    throws QueryEvaluationException {
  final Scanner scanner = getScanner();
  if (scanner != null) {
    // get rows where the start date is greater than the queryInterval.getEnd()
    final Range range = new Range(new Key(Range.followingPrefix(new Text(queryInterval.getHasEnd().getAsKeyBytes()))), false, null, true);
    scanner.setRange(range);
    if (constraints.hasContext()) {
      scanner.fetchColumn(new Text(constraints.getContext().toString()), new Text(KeyParts.CQ_BEGIN));
    } else {
      scanner.fetchColumn(new Text(""), new Text(KeyParts.CQ_BEGIN));
    }
  }
  // TODO currently predicate, subject and context constraints are filtered on the clients
  return getIteratorWrapper(scanner);
}
// --

代码示例来源：origin: org.apache.rya/rya.indexing

/**
 * Interval after given interval.  Find intervals that begin after the endings of the given interval.
 * Use the special following prefix mechanism to avoid matching the beginning date.
 * Indexing Intervals  will probably change or be removed.
 * Currently predicate and subject and context constraints are filtered on the client.
 */
@Override
public CloseableIteration<Statement, QueryEvaluationException> queryIntervalAfter(
    final TemporalInterval queryInterval, final StatementConstraints constraints)
    throws QueryEvaluationException {
  final Scanner scanner = getScanner();
  if (scanner != null) {
    // get rows where the start date is greater than the queryInterval.getEnd()
    final Range range = new Range(new Key(Range.followingPrefix(new Text(queryInterval.getHasEnd().getAsKeyBytes()))), false, null, true);
    scanner.setRange(range);
    if (constraints.hasContext()) {
      scanner.fetchColumn(new Text(constraints.getContext().toString()), new Text(KeyParts.CQ_BEGIN));
    } else {
      scanner.fetchColumn(new Text(""), new Text(KeyParts.CQ_BEGIN));
    }
  }
  // TODO currently predicate, subject and context constraints are filtered on the clients
  return getIteratorWrapper(scanner);
}
// --

代码示例来源：origin: org.apache.accumulo/accumulo-core

/**
 * Returns a Range that covers all rows beginning with a prefix.
 *
 * @param rowPrefix
 *          prefix of rows to cover
 */
public static Range prefix(Text rowPrefix) {
 Text fp = followingPrefix(rowPrefix);
 return new Range(new Key(rowPrefix), true, fp == null ? null : new Key(fp), false);
}

代码示例来源：origin: Accla/graphulo

true, Range.followingPrefix(degColumnText).toString(), false);
bs.addScanIterator(itset);

代码示例来源：origin: Accla/graphulo

/**
 * Pad a range with a prefix, so the new range points to entries
 * that begin with the prefix and then satisfy the original range.
 * Only uses the Row field of the original Range; discards the rest.
 * @param pre The prefix
 * @param rold The original Range
 * @return New Range of the prefix plus the original
 */
public static Range prependPrefixToRange(String pre, Range rold) {
 if (pre == null || pre.isEmpty())
  return rold;
 if (rold.isInfiniteStopKey() && rold.isInfiniteStartKey())
  return Range.prefix(pre);
 if (rold.isInfiniteStartKey())
  return new Range(pre, true, pre+normalizeEndRow(rold), true);
 if (rold.isInfiniteStopKey())
  return new Range(pre+normalizeStartRow(rold), true,
    Range.followingPrefix(new Text(pre)).toString(), false);
 return new Range(pre+normalizeStartRow(rold), true,
   pre+normalizeEndRow(rold), true);
}

代码示例来源：origin: org.apache.accumulo/accumulo-core

/**
 * Returns a Range that covers all column families beginning with a prefix within a given row.
 *
 * @param row
 *          row to cover
 * @param cfPrefix
 *          prefix of column families to cover
 */
public static Range prefix(Text row, Text cfPrefix) {
 Text fp = followingPrefix(cfPrefix);
 return new Range(new Key(row, cfPrefix), true,
   fp == null ? new Key(row).followingKey(PartialKey.ROW) : new Key(row, fp), false);
}

代码示例来源：origin: org.apache.accumulo/accumulo-core

/**
 * Returns a Range that covers all column qualifiers beginning with a prefix within a given row
 * and column family.
 *
 * @param row
 *          row to cover
 * @param cf
 *          column family to cover
 * @param cqPrefix
 *          prefix of column qualifiers to cover
 */
public static Range prefix(Text row, Text cf, Text cqPrefix) {
 Text fp = followingPrefix(cqPrefix);
 return new Range(new Key(row, cf, cqPrefix), true,
   fp == null ? new Key(row, cf).followingKey(PartialKey.ROW_COLFAM) : new Key(row, cf, fp),
   false);
}

代码示例来源：origin: org.apache.accumulo/accumulo-core

/**
 * Returns a Range that covers all column visibilities beginning with a prefix within a given row,
 * column family, and column qualifier.
 *
 * @param row
 *          row to cover
 * @param cf
 *          column family to cover
 * @param cq
 *          column qualifier to cover
 * @param cvPrefix
 *          prefix of column visibilities to cover
 */
public static Range prefix(Text row, Text cf, Text cq, Text cvPrefix) {
 Text fp = followingPrefix(cvPrefix);
 return new Range(new Key(row, cf, cq, cvPrefix), true,
   fp == null ? new Key(row, cf, cq).followingKey(PartialKey.ROW_COLFAM_COLQUAL)
     : new Key(row, cf, cq, fp),
   false);
}

代码示例来源：origin: Accla/graphulo

if (singletonsArePrefix)
 rngset.add(com.google.common.collect.Range.closedOpen(
  stringToByteSequence(pi.peekFirst()), stringToByteSequence(Range.followingPrefix(new Text(pi.peekFirst())).toString())
 ));
else
if (singletonsArePrefix)
 rngset.add(com.google.common.collect.Range.closedOpen(
   stringToByteSequence(pi.peekFirst()), stringToByteSequence(Range.followingPrefix(new Text(pi.peekFirst())).toString())
 ));
else