Examples with FileSystem org.apache.hadoop.fs.FileSystem used on opensource projects

Example 1 with FileSystem

use of org.apache.hadoop.fs.FileSystem in project camel by apache.

the class HdfsConsumerTest method testReadBoolean.

@Test
public void testReadBoolean() throws Exception {
    if (!canTest()) {
        return;
    }
    final Path file = new Path(new File("target/test/test-camel-boolean").getAbsolutePath());
    Configuration conf = new Configuration();
    FileSystem fs1 = FileSystem.get(file.toUri(), conf);
    SequenceFile.Writer writer = createWriter(fs1, conf, file, NullWritable.class, BooleanWritable.class);
    NullWritable keyWritable = NullWritable.get();
    BooleanWritable valueWritable = new BooleanWritable();
    valueWritable.set(true);
    writer.append(keyWritable, valueWritable);
    writer.sync();
    writer.close();
    context.addRoutes(new RouteBuilder() {

        public void configure() {
            from("hdfs:localhost/" + file.toUri() + "?fileSystemType=LOCAL&fileType=SEQUENCE_FILE&initialDelay=0").to("mock:result");
        }
    });
    context.start();
    MockEndpoint resultEndpoint = context.getEndpoint("mock:result", MockEndpoint.class);
    resultEndpoint.expectedMessageCount(1);
    resultEndpoint.assertIsSatisfied();
}

Example 2 with FileSystem

use of org.apache.hadoop.fs.FileSystem in project camel by apache.

the class HdfsConsumerTest method testReadInt.

@Test
public void testReadInt() throws Exception {
    if (!canTest()) {
        return;
    }
    final Path file = new Path(new File("target/test/test-camel-int").getAbsolutePath());
    Configuration conf = new Configuration();
    FileSystem fs1 = FileSystem.get(file.toUri(), conf);
    SequenceFile.Writer writer = createWriter(fs1, conf, file, NullWritable.class, IntWritable.class);
    NullWritable keyWritable = NullWritable.get();
    IntWritable valueWritable = new IntWritable();
    int value = 314159265;
    valueWritable.set(value);
    writer.append(keyWritable, valueWritable);
    writer.sync();
    writer.close();
    MockEndpoint resultEndpoint = context.getEndpoint("mock:result", MockEndpoint.class);
    resultEndpoint.expectedMessageCount(1);
    context.addRoutes(new RouteBuilder() {

        public void configure() {
            from("hdfs:localhost/" + file.toUri() + "?fileSystemType=LOCAL&fileType=SEQUENCE_FILE&initialDelay=0").to("mock:result");
        }
    });
    context.start();
    resultEndpoint.assertIsSatisfied();
}

Example 3 with FileSystem

use of org.apache.hadoop.fs.FileSystem in project camel by apache.

the class HdfsConsumerTest method testSimpleConsumerFileWithSizeEqualToNChunks.

@Test
public void testSimpleConsumerFileWithSizeEqualToNChunks() throws Exception {
    if (!canTest()) {
        return;
    }
    final Path file = new Path(new File("target/test/test-camel-normal-file").getAbsolutePath());
    Configuration conf = new Configuration();
    FileSystem fs = FileSystem.get(file.toUri(), conf);
    FSDataOutputStream out = fs.create(file);
    // size = 5 times chunk size = 210 bytes
    for (int i = 0; i < 42; ++i) {
        out.write(new byte[] { 0x61, 0x62, 0x63, 0x64, 0x65 });
        out.flush();
    }
    out.close();
    MockEndpoint resultEndpoint = context.getEndpoint("mock:result", MockEndpoint.class);
    resultEndpoint.expectedMessageCount(5);
    context.addRoutes(new RouteBuilder() {

        public void configure() {
            from("hdfs:localhost/" + file.toUri() + "?fileSystemType=LOCAL&chunkSize=42&initialDelay=0").to("mock:result");
        }
    });
    context.start();
    resultEndpoint.assertIsSatisfied();
    assertThat(resultEndpoint.getReceivedExchanges().get(0).getIn().getBody(ByteArrayOutputStream.class).toByteArray().length, equalTo(42));
}

Example 4 with FileSystem

use of org.apache.hadoop.fs.FileSystem in project camel by apache.

the class HdfsConsumerTest method testReadBytes.

@Test
public void testReadBytes() throws Exception {
    if (!canTest()) {
        return;
    }
    final Path file = new Path(new File("target/test/test-camel-bytes").getAbsolutePath());
    Configuration conf = new Configuration();
    FileSystem fs1 = FileSystem.get(file.toUri(), conf);
    SequenceFile.Writer writer = createWriter(fs1, conf, file, NullWritable.class, BytesWritable.class);
    NullWritable keyWritable = NullWritable.get();
    BytesWritable valueWritable = new BytesWritable();
    String value = "CIAO!";
    valueWritable.set(value.getBytes(), 0, value.getBytes().length);
    writer.append(keyWritable, valueWritable);
    writer.sync();
    writer.close();
    MockEndpoint resultEndpoint = context.getEndpoint("mock:result", MockEndpoint.class);
    resultEndpoint.expectedMessageCount(1);
    context.addRoutes(new RouteBuilder() {

        public void configure() {
            from("hdfs:localhost/" + file.toUri() + "?fileSystemType=LOCAL&fileType=SEQUENCE_FILE&initialDelay=0").to("mock:result");
        }
    });
    context.start();
    resultEndpoint.assertIsSatisfied();
}

Example 5 with FileSystem

use of org.apache.hadoop.fs.FileSystem in project camel by apache.

the class HdfsConsumerTest method tearDown.

@Override
public void tearDown() throws Exception {
    if (!canTest()) {
        return;
    }
    super.tearDown();
    Thread.sleep(100);
    Configuration conf = new Configuration();
    Path dir = new Path("target/test");
    FileSystem fs = FileSystem.get(dir.toUri(), conf);
    fs.delete(dir, true);
}