TestSequenceFileSerialization.java
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上传日期:2018-01-08
资源大小:41811k
文件大小:2k
源码类别:
网格计算
开发平台:
Java
- /**
- * 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();
- }
- }