X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/util/fst/BytesRefFSTEnum.java diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/util/fst/BytesRefFSTEnum.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/util/fst/BytesRefFSTEnum.java deleted file mode 100644 index 9a192ed..0000000 --- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/util/fst/BytesRefFSTEnum.java +++ /dev/null @@ -1,108 +0,0 @@ -package org.apache.lucene.util.fst; - -/** - * 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, - * 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. - */ - -import java.io.IOException; - -import org.apache.lucene.util.BytesRef; - -/** Can next() and advance() through the terms in an FST - * - * @lucene.experimental -*/ - -public final class BytesRefFSTEnum extends FSTEnum { - private final BytesRef current = new BytesRef(10); - private final InputOutput result = new InputOutput(); - private BytesRef target; - - public static class InputOutput { - public BytesRef input; - public T output; - } - - /** doFloor controls the behavior of advance: if it's true - * doFloor is true, advance positions to the biggest - * term before target. */ - public BytesRefFSTEnum(FST fst) { - super(fst); - result.input = current; - current.offset = 1; - } - - public InputOutput current() { - return result; - } - - public InputOutput next() throws IOException { - //System.out.println(" enum.next"); - doNext(); - return setResult(); - } - - /** Seeks to smallest term that's >= target. */ - public InputOutput seekCeil(BytesRef target) throws IOException { - this.target = target; - targetLength = target.length; - super.doSeekCeil(); - return setResult(); - } - - /** Seeks to biggest term that's <= target. */ - public InputOutput seekFloor(BytesRef target) throws IOException { - this.target = target; - targetLength = target.length; - super.doSeekFloor(); - return setResult(); - } - - @Override - protected int getTargetLabel() { - if (upto-1 == target.length) { - return FST.END_LABEL; - } else { - return target.bytes[target.offset + upto - 1] & 0xFF; - } - } - - @Override - protected int getCurrentLabel() { - // current.offset fixed at 1 - return current.bytes[upto] & 0xFF; - } - - @Override - protected void setCurrentLabel(int label) { - current.bytes[upto] = (byte) label; - } - - @Override - protected void grow() { - current.grow(upto+1); - } - - private InputOutput setResult() { - if (upto == 0) { - return null; - } else { - current.length = upto-1; - result.output = output[upto]; - return result; - } - } -}