| /* |
| * 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 opennlp.tools.sentiment; |
| |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import opennlp.tools.util.FilterObjectStream; |
| import opennlp.tools.util.ObjectStream; |
| |
| /** |
| * Class for creating a type filter. |
| * |
| * @see FilterObjectStream |
| */ |
| public class SentimentSampleTypeFilter |
| extends FilterObjectStream<SentimentSample, SentimentSample> { |
| |
| private final Set<String> types; |
| |
| /** |
| * Constructor |
| */ |
| public SentimentSampleTypeFilter(String[] types, ObjectStream<SentimentSample> samples) { |
| super(samples); |
| this.types = Collections.unmodifiableSet(new HashSet<>(Arrays.asList(types))); |
| } |
| |
| /** |
| * Instantiates a {@link SentimentSampleTypeFilter} object. |
| * |
| * @param types |
| * the types to filter. |
| * @param samples |
| * the sentiment samples to be used. |
| */ |
| public SentimentSampleTypeFilter(Set<String> types, ObjectStream<SentimentSample> samples) { |
| super(samples); |
| this.types = Set.copyOf(types); |
| } |
| |
| /** |
| * @return Reads and returns the {@link SentimentSample}. |
| */ |
| @Override |
| public SentimentSample read() throws IOException { |
| return samples.read(); |
| |
| } |
| |
| } |