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package org.apache.lucene.queryParser.surround.query;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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import java.io.IOException;
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public interface DistanceSubQuery {
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/** When distanceSubQueryNotAllowed() returns non null, the reason why the subquery
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* is not allowed as a distance subquery is returned.
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* <br>When distanceSubQueryNotAllowed() returns null addSpanNearQueries() can be used
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* in the creation of the span near clause for the subquery.
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String distanceSubQueryNotAllowed();
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void addSpanQueries(SpanNearClauseFactory sncf) throws IOException;