cascading.tuple.io
Class TupleOutputStream
java.lang.Object
java.io.OutputStream
java.io.FilterOutputStream
java.io.DataOutputStream
cascading.tuple.io.TupleOutputStream
- All Implemented Interfaces:
- java.io.Closeable, java.io.DataOutput, java.io.Flushable
- Direct Known Subclasses:
- HadoopTupleOutputStream
public abstract class TupleOutputStream
- extends java.io.DataOutputStream
Class TupleOutputStream is used internally to write Tuples to storage.
Fields inherited from class java.io.DataOutputStream |
written |
Fields inherited from class java.io.FilterOutputStream |
out |
Methods inherited from class java.io.DataOutputStream |
flush, size, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF |
Methods inherited from class java.io.FilterOutputStream |
write |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface java.io.DataOutput |
write |
TupleOutputStream
public TupleOutputStream(java.util.Map<java.lang.Class,TupleOutputStream.TupleElementWriter> tupleElementWriters,
java.io.OutputStream outputStream,
TupleOutputStream.ElementWriter elementWriter)
writeTuple
public void writeTuple(Tuple tuple)
throws java.io.IOException
- Throws:
java.io.IOException
writeTuplePair
public void writeTuplePair(TuplePair tuplePair)
throws java.io.IOException
- Throws:
java.io.IOException
writeIndexTuple
public abstract void writeIndexTuple(IndexTuple indexTuple)
throws java.io.IOException
- Throws:
java.io.IOException
writeNull
protected abstract void writeNull()
throws java.io.IOException
- Throws:
java.io.IOException
writeNumElements
protected abstract void writeNumElements(Tuple tuple)
throws java.io.IOException
- Throws:
java.io.IOException
close
public void close()
throws java.io.IOException
- Specified by:
close
in interface java.io.Closeable
- Overrides:
close
in class java.io.FilterOutputStream
- Throws:
java.io.IOException
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