FileDocCategorySizeDatePackage
TermBuffer.javaAPI DocApache Lucene 1.93281Mon Feb 20 09:20:14 GMT 2006org.apache.lucene.index

TermBuffer

public final class TermBuffer extends Object implements Cloneable
Copyright 2004 The Apache Software Foundation Licensed 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, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Fields Summary
private static final char[]
NO_CHARS
private String
field
private char[]
text
private int
textLength
private Term
term
Constructors Summary
Methods Summary
protected java.lang.Objectclone()

    TermBuffer clone = null;
    try {
      clone = (TermBuffer)super.clone();
    } catch (CloneNotSupportedException e) {}

    clone.text = new char[text.length];
    System.arraycopy(text, 0, clone.text, 0, textLength);

    return clone;
private static final intcompareChars(char[] v1, int len1, char[] v2, int len2)

    int end = Math.min(len1, len2);
    for (int k = 0; k < end; k++) {
      char c1 = v1[k];
      char c2 = v2[k];
      if (c1 != c2) {
        return c1 - c2;
      }
    }
    return len1 - len2;
public final intcompareTo(org.apache.lucene.index.TermBuffer other)

                            // cached

       
    if (field == other.field)			  // fields are interned
      return compareChars(text, textLength, other.text, other.textLength);
    else
      return field.compareTo(other.field);
public final voidread(org.apache.lucene.store.IndexInput input, org.apache.lucene.index.FieldInfos fieldInfos)

    this.term = null;                           // invalidate cache
    int start = input.readVInt();
    int length = input.readVInt();
    int totalLength = start + length;
    setTextLength(totalLength);
    input.readChars(this.text, start, length);
    this.field = fieldInfos.fieldName(input.readVInt());
public voidreset()

    this.field = null;
    this.textLength = 0;
    this.term = null;
public final voidset(org.apache.lucene.index.Term term)

    if (term == null) {
      reset();
      return;
    }

    // copy text into the buffer
    setTextLength(term.text().length());
    term.text().getChars(0, term.text().length(), text, 0);

    this.field = term.field();
    this.term = term;
public final voidset(org.apache.lucene.index.TermBuffer other)

    setTextLength(other.textLength);
    System.arraycopy(other.text, 0, text, 0, textLength);

    this.field = other.field;
    this.term = other.term;
private final voidsetTextLength(int newLength)

    if (text.length < newLength) {
      char[] newText = new char[newLength];
      System.arraycopy(text, 0, newText, 0, textLength);
      text = newText;
    }
    textLength = newLength;
public org.apache.lucene.index.TermtoTerm()

    if (field == null)                            // unset
      return null;

    if (term == null)
      term = new Term(field, new String(text, 0, textLength), false);

    return term;