/** * 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.hadoop.io; import junit.framework.TestCase; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; import org.apache.hadoop.io.SequenceFile.Reader; import org.apache.hadoop.io.SequenceFile.Writer; public class TestSequenceFileSerialization extends TestCase { private Configuration conf; private FileSystem fs; @Override protected void setUp() throws Exception { conf = new Configuration(); conf.set("io.serializations", "org.apache.hadoop.io.serializer.JavaSerialization"); fs = FileSystem.getLocal(conf); } @Override protected void tearDown() throws Exception { fs.close(); } public void testJavaSerialization() throws Exception { Path file = new Path(System.getProperty("test.build.data",".") + "/test.seq"); fs.delete(file, true); Writer writer = SequenceFile.createWriter(fs, conf, file, Long.class, String.class); writer.append(1L, "one"); writer.append(2L, "two"); writer.close(); Reader reader = new Reader(fs, file, conf); assertEquals(1L, reader.next((Object) null)); assertEquals("one", reader.getCurrentValue((Object) null)); assertEquals(2L, reader.next((Object) null)); assertEquals("two", reader.getCurrentValue((Object) null)); assertNull(reader.next((Object) null)); reader.close(); } }