/* * 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.flink.runtime.io.network.util; import org.apache.flink.runtime.io.network.api.serialization.RecordDeserializer; import org.apache.flink.testutils.serialization.types.SerializationTestType; import org.junit.Assert; import java.util.ArrayDeque; /** * Utility class to help deserialization for testing. */ public final class DeserializationUtils { /** * Iterates over the provided records to deserialize, verifies the results and stats * the number of full records. * * @param records records to be deserialized * @param deserializer the record deserializer * @return the number of full deserialized records */ public static int deserializeRecords( ArrayDeque<SerializationTestType> records, RecordDeserializer<SerializationTestType> deserializer) throws Exception { int deserializedRecords = 0; while (!records.isEmpty()) { SerializationTestType expected = records.poll(); SerializationTestType actual = expected.getClass().newInstance(); if (deserializer.getNextRecord(actual).isFullRecord()) { Assert.assertEquals(expected, actual); deserializedRecords++; } else { records.addFirst(expected); break; } } return deserializedRecords; } }