How to use

append

method

in

org.apache.lucene.util.ByteBlockPool

/**
 * Appends a copy of the given {@link BytesRef} to this {@link BytesRefArray}.
 * @param bytes the bytes to append
 * @return the index of the appended bytes
 */
@Override
public int append(BytesRef bytes) {
 if (lastElement >= offsets.length) {
  int oldLen = offsets.length;
  offsets = ArrayUtil.grow(offsets, offsets.length + 1);
  bytesUsed.addAndGet((offsets.length - oldLen) * Integer.BYTES);
 }
 pool.append(bytes);
 offsets[lastElement++] = currentOffset;
 currentOffset += bytes.length;
 return lastElement-1;
}

public void addPackedValue(int docID, BytesRef value) {
 if (value == null) {
  throw new IllegalArgumentException("field=" + fieldInfo.name + ": point value must not be null");
 }
 if (value.length != packedBytesLength) {
  throw new IllegalArgumentException("field=" + fieldInfo.name + ": this field's value has length=" + value.length + " but should be " + (fieldInfo.getPointDataDimensionCount() * fieldInfo.getPointNumBytes()));
 }
 if (docIDs.length == numPoints) {
  docIDs = ArrayUtil.grow(docIDs, numPoints+1);
  iwBytesUsed.addAndGet((docIDs.length - numPoints) * Integer.BYTES);
 }
 bytes.append(value);
 docIDs[numPoints] = docID;
 if (docID != lastDocID) {
  numDocs++;
  lastDocID = docID;
 }
 numPoints++;
}

/**
 * Appends a copy of the given {@link BytesRef} to this {@link BytesRefArray}.
 * @param bytes the bytes to append
 * @return the index of the appended bytes
 */
public int append(BytesRef bytes) {
 if (lastElement >= offsets.length) {
  int oldLen = offsets.length;
  offsets = ArrayUtil.grow(offsets, offsets.length + 1);
  bytesUsed.addAndGet((offsets.length - oldLen)
    * RamUsageEstimator.NUM_BYTES_INT);
 }
 pool.append(bytes);
 offsets[lastElement++] = currentOffset;
 currentOffset += bytes.length;
 return lastElement-1;
}

/**
 * Appends a copy of the given {@link BytesRef} to this {@link BytesRefArray}.
 * @param bytes the bytes to append
 * @return the index of the appended bytes
 */
@Override
public int append(BytesRef bytes) {
 if (lastElement >= offsets.length) {
  int oldLen = offsets.length;
  offsets = ArrayUtil.grow(offsets, offsets.length + 1);
  bytesUsed.addAndGet((offsets.length - oldLen) * Integer.BYTES);
 }
 pool.append(bytes);
 offsets[lastElement++] = currentOffset;
 currentOffset += bytes.length;
 return lastElement-1;
}

/**
 * Appends a copy of the given {@link BytesRef} to this {@link BytesRefArray}.
 * @param bytes the bytes to append
 * @return the index of the appended bytes
 */
public int append(BytesRef bytes) {
 if (lastElement >= offsets.length) {
  int oldLen = offsets.length;
  offsets = ArrayUtil.grow(offsets, offsets.length + 1);
  bytesUsed.addAndGet((offsets.length - oldLen)
    * RamUsageEstimator.NUM_BYTES_INT);
 }
 pool.append(bytes);
 offsets[lastElement++] = currentOffset;
 currentOffset += bytes.length;
 return lastElement-1;
}

public void addPackedValue(int docID, BytesRef value) {
 if (value == null) {
  throw new IllegalArgumentException("field=" + fieldInfo.name + ": point value must not be null");
 }
 if (value.length != packedBytesLength) {
  throw new IllegalArgumentException("field=" + fieldInfo.name + ": this field's value has length=" + value.length + " but should be " + (fieldInfo.getPointDataDimensionCount() * fieldInfo.getPointNumBytes()));
 }
 if (docIDs.length == numPoints) {
  docIDs = ArrayUtil.grow(docIDs, numPoints+1);
  iwBytesUsed.addAndGet((docIDs.length - numPoints) * Integer.BYTES);
 }
 bytes.append(value);
 docIDs[numPoints] = docID;
 if (docID != lastDocID) {
  numDocs++;
  lastDocID = docID;
 }
 numPoints++;
}