| /* |
| * 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.search.spans; |
| |
| import java.io.IOException; |
| import java.util.Objects; |
| |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.search.Query; |
| import org.apache.lucene.search.QueryVisitor; |
| import org.apache.lucene.search.ScoreMode; |
| |
| /** Wraps a span query with asserts */ |
| public class AssertingSpanQuery extends SpanQuery { |
| private final SpanQuery in; |
| |
| public AssertingSpanQuery(SpanQuery in) { |
| this.in = in; |
| } |
| |
| @Override |
| public String getField() { |
| return in.getField(); |
| } |
| |
| @Override |
| public String toString(String field) { |
| return "AssertingSpanQuery(" + in.toString(field) + ")"; |
| } |
| |
| @Override |
| public SpanWeight createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost) throws IOException { |
| SpanWeight weight = in.createWeight(searcher, scoreMode, boost); |
| return new AssertingSpanWeight(searcher, weight); |
| } |
| |
| @Override |
| public Query rewrite(IndexReader reader) throws IOException { |
| Query q = in.rewrite(reader); |
| if (q == in) { |
| return super.rewrite(reader); |
| } else if (q instanceof SpanQuery) { |
| return new AssertingSpanQuery((SpanQuery) q); |
| } else { |
| return q; |
| } |
| } |
| |
| @Override |
| public void visit(QueryVisitor visitor) { |
| in.visit(visitor); |
| } |
| |
| @Override |
| public Query clone() { |
| return new AssertingSpanQuery(in); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| return sameClassAs(o) && |
| equalsTo(getClass().cast(o)); |
| } |
| |
| private boolean equalsTo(AssertingSpanQuery other) { |
| return Objects.equals(in, other.in); |
| } |
| |
| @Override |
| public int hashCode() { |
| return (in == null) ? 0 : in.hashCode(); |
| } |
| } |