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TokenRangeSinkFilter.cs
Go to the documentation of this file.
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/*
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*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*
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*/
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using
System;
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using
System.Collections.Generic;
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using
System.Linq;
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using
System.Text;
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using
Lucene.Net.Util;
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namespace
Lucene.Net.Analysis.Sinks
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{
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public
class
TokenRangeSinkFilter
:
TeeSinkTokenFilter
.SinkFilter
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{
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private
int
lower;
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private
int
upper;
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private
int
count;
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public
TokenRangeSinkFilter
(
int
lower,
int
upper)
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{
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this.lower = lower;
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this.upper = upper;
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}
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public
override
bool
Accept(
AttributeSource
source)
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{
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try
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{
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if
(count >= lower && count < upper)
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{
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return
true
;
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}
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return
false
;
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}
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finally
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{
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count++;
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}
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}
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public
override
void
Reset()
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{
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count = 0;
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}
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}
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}
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