| /* |
| * 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.accumulo.iteratortest; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import org.apache.accumulo.core.data.Key; |
| import org.apache.accumulo.core.data.Value; |
| import org.apache.accumulo.core.iterators.SortedKeyValueIterator; |
| import org.apache.accumulo.core.iterators.SortedMapIterator; |
| import org.apache.accumulo.core.iteratorsImpl.system.ColumnFamilySkippingIterator; |
| import org.apache.accumulo.iteratortest.testcases.IteratorTestCase; |
| |
| /** |
| * A collection of methods that are helpful to the development of {@link IteratorTestCase}s. |
| */ |
| public class IteratorTestUtil { |
| |
| public static SortedKeyValueIterator<Key,Value> instantiateIterator(IteratorTestInput input) { |
| try { |
| return requireNonNull(input.getIteratorClass()).getDeclaredConstructor().newInstance(); |
| } catch (ReflectiveOperationException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public static SortedKeyValueIterator<Key,Value> createSource(IteratorTestInput input) { |
| return new SimpleKVReusingIterator( |
| new ColumnFamilySkippingIterator(new SortedMapIterator(requireNonNull(input).getInput()))); |
| } |
| } |