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Lucene example source code file (FormatPostingsTermsConsumer.java)

This example Lucene source code file (FormatPostingsTermsConsumer.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Lucene tags/keywords

formatpostingsdocsconsumer, formatpostingsdocsconsumer, formatpostingstermsconsumer, formatpostingstermsconsumer, io, ioexception, ioexception

The Lucene FormatPostingsTermsConsumer.java source code

package org.apache.lucene.index;

 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

import java.io.IOException;

import org.apache.lucene.util.ArrayUtil;
import org.apache.lucene.util.RamUsageEstimator;

 * @lucene.experimental

abstract class FormatPostingsTermsConsumer {

  /** Adds a new term in this field; term ends with U+FFFF
   *  char */
  abstract FormatPostingsDocsConsumer addTerm(char[] text, int start) throws IOException;

  char[] termBuffer;
  FormatPostingsDocsConsumer addTerm(String text) throws IOException {
    final int len = text.length();
    if (termBuffer == null || termBuffer.length < 1+len)
      termBuffer = new char[ArrayUtil.oversize(1+len, RamUsageEstimator.NUM_BYTES_CHAR)];
    text.getChars(0, len, termBuffer, 0);
    termBuffer[len] = 0xffff;
    return addTerm(termBuffer, 0);

  /** Called when we are done adding terms to this field */
  abstract void finish() throws IOException;

Other Lucene examples (source code examples)

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