content: /*
   * 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.kafka.test;
  
  import org.apache.kafka.streams.processor.PunctuationType;
  import org.apache.kafka.streams.processor.api.FixedKeyProcessor;
  import org.apache.kafka.streams.processor.api.FixedKeyProcessorSupplier;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class MockApiFixedKeyProcessorSupplier<KIn, VIn, VOut>
      implements FixedKeyProcessorSupplier<KIn, VIn, VOut> {
  
      private final long scheduleInterval;
      private final PunctuationType punctuationType;
      private final List<MockApiFixedKeyProcessor<KIn, VIn, VOut>> processors = new ArrayList<>();
  
      public MockApiFixedKeyProcessorSupplier() {
          this(-1L);
      }
  
      public MockApiFixedKeyProcessorSupplier(final long scheduleInterval) {
          this(scheduleInterval, PunctuationType.STREAM_TIME);
      }
  
      public MockApiFixedKeyProcessorSupplier(final long scheduleInterval, final PunctuationType punctuationType) {
          this.scheduleInterval = scheduleInterval;
          this.punctuationType = punctuationType;
      }
  
      @Override
      public FixedKeyProcessor<KIn, VIn, VOut> get() {
          final MockApiFixedKeyProcessor<KIn, VIn, VOut> processor = new MockApiFixedKeyProcessor<>(punctuationType, scheduleInterval);
  
          // to keep tests simple, ignore calls from ApiUtils.checkSupplier
          if (!StreamsTestUtils.isCheckSupplierCall()) {
              processors.add(processor);
          }
  
          return processor;
      }
  
      // get the captured processor assuming that only one processor gets returned from this supplier
      public MockApiFixedKeyProcessor<KIn, VIn, VOut> theCapturedProcessor() {
          return capturedProcessors(1).get(0);
      }
  
      public int capturedProcessorsCount() {
          return processors.size();
      }
  
      // get the captured processors with the expected number
      public List<MockApiFixedKeyProcessor<KIn, VIn, VOut>> capturedProcessors(final int expectedNumberOfProcessors) {
          assertEquals(expectedNumberOfProcessors, processors.size());
  
          return processors;
      }
  }
  