cascading.tuple.io
Class TupleInputStream
java.lang.Object
java.io.InputStream
java.io.FilterInputStream
java.io.DataInputStream
cascading.tuple.io.TupleInputStream
- All Implemented Interfaces:
- java.io.Closeable, java.io.DataInput
- Direct Known Subclasses:
- HadoopTupleInputStream
public abstract class TupleInputStream
- extends java.io.DataInputStream
Class TupleInputStream is used internally to read Tuples from storage.
Fields inherited from class java.io.FilterInputStream |
in |
Methods inherited from class java.io.DataInputStream |
read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, readUTF, skipBytes |
Methods inherited from class java.io.FilterInputStream |
available, mark, markSupported, read, reset, skip |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
inputStream
protected final java.io.InputStream inputStream
- Field inputStream
elementReader
protected final TupleInputStream.ElementReader elementReader
- Field elementReader
TupleInputStream
public TupleInputStream(java.io.InputStream inputStream,
TupleInputStream.ElementReader elementReader)
getInputStream
public java.io.InputStream getInputStream()
readTuple
public Tuple readTuple()
throws java.io.IOException
- Throws:
java.io.IOException
readTuple
public Tuple readTuple(Tuple tuple)
throws java.io.IOException
- Throws:
java.io.IOException
getNumElements
public abstract int getNumElements()
throws java.io.IOException
- Throws:
java.io.IOException
readToken
public abstract int readToken()
throws java.io.IOException
- Throws:
java.io.IOException
getNextElement
public abstract java.lang.Object getNextElement()
throws java.io.IOException
- Throws:
java.io.IOException
readTuplePair
public TuplePair readTuplePair()
throws java.io.IOException
- Throws:
java.io.IOException
readTuplePair
public TuplePair readTuplePair(TuplePair tuplePair)
throws java.io.IOException
- Throws:
java.io.IOException
readIndexTuple
public IndexTuple readIndexTuple()
throws java.io.IOException
- Throws:
java.io.IOException
readIndexTuple
public abstract IndexTuple readIndexTuple(IndexTuple indexTuple)
throws java.io.IOException
- Throws:
java.io.IOException
readType
protected abstract java.lang.Object readType(int type)
throws java.io.IOException
- Throws:
java.io.IOException
getComparatorFor
public java.util.Comparator getComparatorFor(int type)
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.FilterInputStream
- Throws:
java.io.IOException
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