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HADOOP-7087. SequenceFile.createWriter ignores FileSystem parameter. Contributed by Todd Lipcon 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1057789 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Todd Lipcon 2011-01-11 18:35:53 +00:00
parent a42c891055
commit 496b24d30b
3 changed files with 67 additions and 8 deletions
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2
CHANGES.txt
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@ -425,6 +425,8 @@ Release 0.22.0 - Unreleased
HADOOP-7070. JAAS configuration should delegate unknown application names
to pre-existing configuration. (todd)
HADOOP-7087. SequenceFile.createWriter ignores FileSystem parameter (todd)
Release 0.21.1 - Unreleased
IMPROVEMENTS

58
src/java/org/apache/hadoop/io/SequenceFile.java
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@ -288,7 +288,8 @@ public class SequenceFile {
public static Writer
createWriter(FileSystem fs, Configuration conf, Path name,
Class keyClass, Class valClass) throws IOException {
return createWriter(conf, Writer.file(name), Writer.keyClass(keyClass),
return createWriter(conf, Writer.filesystem(fs),
Writer.file(name), Writer.keyClass(keyClass),
Writer.valueClass(valClass));
}
@ -310,7 +311,8 @@ public class SequenceFile {
createWriter(FileSystem fs, Configuration conf, Path name,
Class keyClass, Class valClass,
CompressionType compressionType) throws IOException {
return createWriter(conf, Writer.file(name), Writer.keyClass(keyClass),
return createWriter(conf, Writer.filesystem(fs),
Writer.file(name), Writer.keyClass(keyClass),
Writer.valueClass(valClass),
Writer.compression(compressionType));
}
@ -334,7 +336,9 @@ public class SequenceFile {
createWriter(FileSystem fs, Configuration conf, Path name,
Class keyClass, Class valClass, CompressionType compressionType,
Progressable progress) throws IOException {
return createWriter(conf, Writer.file(name), Writer.keyClass(keyClass),
return createWriter(conf, Writer.file(name),
Writer.filesystem(fs),
Writer.keyClass(keyClass),
Writer.valueClass(valClass),
Writer.compression(compressionType),
Writer.progressable(progress));
@ -359,7 +363,9 @@ public class SequenceFile {
createWriter(FileSystem fs, Configuration conf, Path name,
Class keyClass, Class valClass, CompressionType compressionType,
CompressionCodec codec) throws IOException {
return createWriter(conf, Writer.file(name), Writer.keyClass(keyClass),
return createWriter(conf, Writer.file(name),
Writer.filesystem(fs),
Writer.keyClass(keyClass),
Writer.valueClass(valClass),
Writer.compression(compressionType, codec));
}
@ -386,7 +392,9 @@ public class SequenceFile {
Class keyClass, Class valClass,
CompressionType compressionType, CompressionCodec codec,
Progressable progress, Metadata metadata) throws IOException {
return createWriter(conf, Writer.file(name), Writer.keyClass(keyClass),
return createWriter(conf, Writer.file(name),
Writer.filesystem(fs),
Writer.keyClass(keyClass),
Writer.valueClass(valClass),
Writer.compression(compressionType, codec),
Writer.progressable(progress),
@ -419,7 +427,9 @@ public class SequenceFile {
short replication, long blockSize,
CompressionType compressionType, CompressionCodec codec,
Progressable progress, Metadata metadata) throws IOException {
return createWriter(conf, Writer.file(name), Writer.keyClass(keyClass),
return createWriter(conf, Writer.file(name),
Writer.filesystem(fs),
Writer.keyClass(keyClass),
Writer.valueClass(valClass),
Writer.bufferSize(bufferSize),
Writer.replication(replication),
@ -450,7 +460,9 @@ public class SequenceFile {
Class keyClass, Class valClass,
CompressionType compressionType, CompressionCodec codec,
Progressable progress) throws IOException {
return createWriter(conf, Writer.file(name), Writer.keyClass(keyClass),
return createWriter(conf, Writer.file(name),
Writer.filesystem(fs),
Writer.keyClass(keyClass),
Writer.valueClass(valClass),
Writer.compression(compressionType, codec),
Writer.progressable(progress));
@ -777,6 +789,21 @@ public class SequenceFile {
}
}
/**
* @deprecated only used for backwards-compatibility in the createWriter methods
* that take FileSystem.
*/
@Deprecated
private static class FileSystemOption implements Option {
private final FileSystem value;
protected FileSystemOption(FileSystem value) {
this.value = value;
}
public FileSystem getValue() {
return value;
}
}
static class StreamOption extends Options.FSDataOutputStreamOption
implements Option {
StreamOption(FSDataOutputStream stream) {
@ -858,6 +885,15 @@ public class SequenceFile {
return new FileOption(value);
}
/**
* @deprecated only used for backwards-compatibility in the createWriter methods
* that take FileSystem.
*/
@Deprecated
private static Option filesystem(FileSystem fs) {
return new SequenceFile.Writer.FileSystemOption(fs);
}
public static Option bufferSize(int value) {
return new BufferSizeOption(value);
}
@ -916,6 +952,7 @@ public class SequenceFile {
ProgressableOption progressOption =
Options.getOption(ProgressableOption.class, opts);
FileOption fileOption = Options.getOption(FileOption.class, opts);
FileSystemOption fsOption = Options.getOption(FileSystemOption.class, opts);
StreamOption streamOption = Options.getOption(StreamOption.class, opts);
KeyClassOption keyClassOption =
Options.getOption(KeyClassOption.class, opts);
@ -941,7 +978,12 @@ public class SequenceFile {
boolean ownStream = fileOption != null;
if (ownStream) {
Path p = fileOption.getValue();
FileSystem fs = p.getFileSystem(conf);
FileSystem fs;
if (fsOption != null) {
fs = fsOption.getValue();
} else {
fs = p.getFileSystem(conf);
}
int bufferSize = bufferSizeOption == null ? getBufferSize(conf) :
bufferSizeOption.getValue();
short replication = replicationOption == null ?

15
src/test/core/org/apache/hadoop/io/TestSequenceFile.java
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@ -30,6 +30,7 @@ import org.apache.hadoop.io.compress.CompressionCodec;
import org.apache.hadoop.io.compress.DefaultCodec;
import org.apache.hadoop.util.ReflectionUtils;
import org.apache.hadoop.conf.*;
import org.mockito.Mockito;
/** Support for flat files of binary key/value pairs. */
@ -457,6 +458,20 @@ public class TestSequenceFile extends TestCase {
assertFalse(reader2.next(text));
}
/**
* Test that makes sure the FileSystem passed to createWriter
* @throws Exception
*/
public void testCreateUsesFsArg() throws Exception {
FileSystem fs = FileSystem.getLocal(conf);
FileSystem spyFs = Mockito.spy(fs);
Path p = new Path(System.getProperty("test.build.data", ".")+"/testCreateUsesFSArg.seq");
SequenceFile.Writer writer = SequenceFile.createWriter(
spyFs, conf, p, NullWritable.class, NullWritable.class);
writer.close();
Mockito.verify(spyFs).getDefaultReplication();
}
private static class TestFSDataInputStream extends FSDataInputStream {
private boolean closed = false;