@InterfaceAudience.Public @InterfaceStability.Stable public abstract class CompressedWritable extends Object implements Writable
Constructor and Description |
---|
CompressedWritable() |
Modifier and Type | Method and Description |
---|---|
protected void |
ensureInflated()
Must be called by all methods which access fields to ensure that the data
has been uncompressed.
|
void |
readFields(DataInput in)
Deserialize the fields of this object from
in . |
protected abstract void |
readFieldsCompressed(DataInput in)
Subclasses implement this instead of
readFields(DataInput) . |
void |
write(DataOutput out)
Serialize the fields of this object to
out . |
protected abstract void |
writeCompressed(DataOutput out)
Subclasses implement this instead of
write(DataOutput) . |
public CompressedWritable()
public final void readFields(DataInput in) throws IOException
Writable
in
.
For efficiency, implementations should attempt to re-use storage in the existing object where possible.
readFields
in interface Writable
in
- DataInput
to deseriablize this object from.IOException
protected void ensureInflated()
protected abstract void readFieldsCompressed(DataInput in) throws IOException
readFields(DataInput)
.IOException
public final void write(DataOutput out) throws IOException
Writable
out
.write
in interface Writable
out
- DataOuput
to serialize this object into.IOException
protected abstract void writeCompressed(DataOutput out) throws IOException
write(DataOutput)
.IOException
Copyright © 2016 Apache Software Foundation. All rights reserved.