uschindler commented on a change in pull request #1966: URL: https://github.com/apache/lucene-solr/pull/1966#discussion_r501917428
########## File path: lucene/analysis/common/src/java/org/apache/lucene/analysis/miscellaneous/DropIfFlaggedFilter.java ########## @@ -0,0 +1,90 @@ +/* + * 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. + */ + +package org.apache.lucene.analysis.miscellaneous; + +import java.io.IOException; +import java.util.UUID; + +import org.apache.lucene.analysis.TokenFilter; +import org.apache.lucene.analysis.TokenStream; +import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; +import org.apache.lucene.analysis.tokenattributes.FlagsAttribute; + +/** + * Allows Tokens with a given combination of flags to be dropped. + * + * @see DropIfFlaggedFilterFactory + */ +public class DropIfFlaggedFilter extends TokenFilter { + + private int dropFlags; + + private CharTermAttribute attribute = getAttribute(CharTermAttribute.class); + private boolean firstToken = true; + + /** + * Construct a token stream filtering the given input. + * + * @param input the source stream + * @param dropFlags a combination of flags that indicates that the token should be dropped. + */ + @SuppressWarnings("WeakerAccess") + protected DropIfFlaggedFilter(TokenStream input, int dropFlags) { + super(input); + this.dropFlags = dropFlags; + } + + @Override + public final boolean incrementToken() throws IOException { + boolean result; + boolean dropToken; + do { + result = input.incrementToken(); + dropToken = (getAttribute(FlagsAttribute.class).getFlags() & dropFlags) == dropFlags; Review comment: you have to move this to final fiel and use FlagsAttribute flagsAttr = addAttribute(FlagsAttribute.class) ########## File path: lucene/analysis/common/src/java/org/apache/lucene/analysis/miscellaneous/DropIfFlaggedFilter.java ########## @@ -0,0 +1,90 @@ +/* + * 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. + */ + +package org.apache.lucene.analysis.miscellaneous; + +import java.io.IOException; +import java.util.UUID; + +import org.apache.lucene.analysis.TokenFilter; +import org.apache.lucene.analysis.TokenStream; +import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; +import org.apache.lucene.analysis.tokenattributes.FlagsAttribute; + +/** + * Allows Tokens with a given combination of flags to be dropped. + * + * @see DropIfFlaggedFilterFactory + */ +public class DropIfFlaggedFilter extends TokenFilter { + + private int dropFlags; + + private CharTermAttribute attribute = getAttribute(CharTermAttribute.class); + private boolean firstToken = true; + + /** + * Construct a token stream filtering the given input. + * + * @param input the source stream + * @param dropFlags a combination of flags that indicates that the token should be dropped. + */ + @SuppressWarnings("WeakerAccess") + protected DropIfFlaggedFilter(TokenStream input, int dropFlags) { + super(input); + this.dropFlags = dropFlags; + } + + @Override + public final boolean incrementToken() throws IOException { + boolean result; + boolean dropToken; + do { + result = input.incrementToken(); + dropToken = (getAttribute(FlagsAttribute.class).getFlags() & dropFlags) == dropFlags; Review comment: you have to move this to final field and use `final FlagsAttribute flagsAttr = addAttribute(FlagsAttribute.class);` as instance member. ########## File path: lucene/analysis/common/src/java/org/apache/lucene/analysis/miscellaneous/DropIfFlaggedFilter.java ########## @@ -0,0 +1,90 @@ +/* + * 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. + */ + +package org.apache.lucene.analysis.miscellaneous; + +import java.io.IOException; +import java.util.UUID; + +import org.apache.lucene.analysis.TokenFilter; +import org.apache.lucene.analysis.TokenStream; +import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; +import org.apache.lucene.analysis.tokenattributes.FlagsAttribute; + +/** + * Allows Tokens with a given combination of flags to be dropped. + * + * @see DropIfFlaggedFilterFactory + */ +public class DropIfFlaggedFilter extends TokenFilter { + + private int dropFlags; Review comment: must be final ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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