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commit 5b1ac91893d86692e0f737fa16211c0fc8439545 Author: Andy Seaborne <[email protected]> AuthorDate: Mon Aug 5 08:29:00 2024 +0100 Remove unused QueryIteratorCaching --- .../engine/iterator/QueryIteratorCaching.java | 76 ---------------------- 1 file changed, 76 deletions(-) diff --git a/jena-arq/src/main/java/org/apache/jena/sparql/engine/iterator/QueryIteratorCaching.java b/jena-arq/src/main/java/org/apache/jena/sparql/engine/iterator/QueryIteratorCaching.java deleted file mode 100644 index a7f3b70721..0000000000 --- a/jena-arq/src/main/java/org/apache/jena/sparql/engine/iterator/QueryIteratorCaching.java +++ /dev/null @@ -1,76 +0,0 @@ -/* - * 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.jena.sparql.engine.iterator; - -import java.util.ArrayList ; -import java.util.List ; - -import org.apache.jena.atlas.io.IndentedWriter ; -import org.apache.jena.sparql.engine.QueryIterator ; -import org.apache.jena.sparql.engine.binding.Binding ; -import org.apache.jena.sparql.serializer.SerializationContext ; - -/** A caching QueryIterator. On demand, the application can ask for a new - * query iterator which will repeat the bindings yielded so far. - */ - -public -class QueryIteratorCaching extends QueryIteratorWrapper -{ - // Not tracked. - List<Binding> cache = new ArrayList<>() ; - - public QueryIteratorCaching(QueryIterator qIter) - { - super(qIter) ; - } - - @Override - protected Binding moveToNextBinding() - { - Binding b = super.moveToNextBinding() ; - cache.add(b) ; - return b ; - } - - @Override - public void output(IndentedWriter out, SerializationContext sCxt) - {} - - public QueryIterator createRepeat() - { - List<Binding> elements = cache ; - if ( super.hasNext() ) - // If the iterator isn't finished, copy what we have so far. - elements = new ArrayList<>(cache) ; - - return QueryIterPlainWrapper.create(elements.iterator(), null) ; - } - - public static QueryIterator reset(QueryIterator qIter) - { - if ( qIter instanceof QueryIteratorCaching ) - { - QueryIteratorCaching cIter = (QueryIteratorCaching)qIter ; - return cIter.createRepeat() ; - } - - return qIter ; - } -}
