| /* |
| * 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.luke.models.search; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.lucene.queries.mlt.MoreLikeThis; |
| |
| /** |
| * Configurations for MoreLikeThis query. |
| */ |
| public final class MLTConfig { |
| |
| private final List<String> fields; |
| |
| private final int maxDocFreq; |
| |
| private final int minDocFreq; |
| |
| private final int minTermFreq; |
| |
| /** Builder for {@link MLTConfig} */ |
| public static class Builder { |
| |
| private final List<String> fields = new ArrayList<>(); |
| private int maxDocFreq = MoreLikeThis.DEFAULT_MAX_DOC_FREQ; |
| private int minDocFreq = MoreLikeThis.DEFAULT_MIN_DOC_FREQ; |
| private int minTermFreq = MoreLikeThis.DEFAULT_MIN_TERM_FREQ; |
| |
| public Builder fields(Collection<String> val) { |
| fields.addAll(val); |
| return this; |
| } |
| |
| public Builder maxDocFreq(int val) { |
| maxDocFreq = val; |
| return this; |
| } |
| |
| public Builder minDocFreq(int val) { |
| minDocFreq = val; |
| return this; |
| } |
| |
| public Builder minTermFreq(int val) { |
| minTermFreq = val; |
| return this; |
| } |
| |
| public MLTConfig build() { |
| return new MLTConfig(this); |
| } |
| } |
| |
| private MLTConfig(Builder builder) { |
| this.fields = Collections.unmodifiableList(builder.fields); |
| this.maxDocFreq = builder.maxDocFreq; |
| this.minDocFreq = builder.minDocFreq; |
| this.minTermFreq = builder.minTermFreq; |
| } |
| |
| public String[] getFieldNames() { |
| return fields.toArray(new String[fields.size()]); |
| } |
| |
| public int getMaxDocFreq() { |
| return maxDocFreq; |
| } |
| |
| public int getMinDocFreq() { |
| return minDocFreq; |
| } |
| |
| public int getMinTermFreq() { |
| return minTermFreq; |
| } |
| |
| } |