hep.io.root.core
Interface RootInput

All Superinterfaces:

DataInput

All Known Implementing Classes:

FastInputStream, RootDaemonInputStream, RootRandomAccessFile

public interface RootInput

extends DataInput

Extension of DataInput with root specific utilities

Version:

$Id: RootInput.java,v 1.8 2005/08/10 00:56:30 tonyj Exp $

Author:

Tony Johnson (tonyj@slac.stanford.edu)

Source Code:

RootInput.java

Method Summary

void	checkLength(AbstractRootObject object)
void	clearMap()
void	close()
void	dump() For debugging
RootClassFactory	getFactory()
long	getPosition()
int	getRootVersion() Returns the Root version which wrote this file
RootInput	getTop() Returns the RootInput at the top of top of the heirarchy of slices
int	readArray(byte[] data)
int	readArray(double[] data)
int	readArray(float[] data)
int	readArray(int[] data)
int	readArray(short[] data)
void	readFixedArray(byte[] data)
void	readFixedArray(double[] data)
void	readFixedArray(float[] data)
void	readFixedArray(int[] data)
void	readFixedArray(long[] data)
void	readFixedArray(short[] data)
void	readMultiArray(Object[] array)
String	readNullTerminatedString(int maxLength)
RootObject	readObject(String type)
RootObject	readObjectRef()
String	readString()
double	readTwistedDouble() Reads a double in strange byte order?
int	readVersion()
int	readVersion(AbstractRootObject object)
void	setMap(int offset)
void	setPosition(long pos)
void	skipObject() For skipping uninterpretable objects
RootInput	slice(int size) Returns a new RootInput stream which represents a slice of this RootInput stream.
RootInput	slice(int inSize, int outSize) Slice and decompress

Methods inherited from interface java.io.DataInput

readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, skipBytes

Method Detail

getFactory

public RootClassFactory getFactory()

Returns:

The RootClassFactory associated with this stream

setMap

public void setMap(int offset)
            throws IOException

Throws:

IOException

setPosition

public void setPosition(long pos)
                 throws IOException

Throws:

IOException

getPosition

public long getPosition()
                 throws IOException

Throws:

IOException

getRootVersion

public int getRootVersion()

Returns the Root version which wrote this file

getTop

public RootInput getTop()

Returns the RootInput at the top of top of the heirarchy of slices

checkLength

public void checkLength(AbstractRootObject object)
                 throws IOException

Throws:

IOException

clearMap

public void clearMap()
              throws IOException

Throws:

IOException

readArray

public int readArray(int[] data)
              throws IOException

Throws:

IOException

readArray

public int readArray(byte[] data)
              throws IOException

Throws:

IOException

readArray

public int readArray(short[] data)
              throws IOException

Throws:

IOException

readArray

public int readArray(float[] data)
              throws IOException

Throws:

IOException

readArray

public int readArray(double[] data)
              throws IOException

Throws:

IOException

readFixedArray

public void readFixedArray(int[] data)
                    throws IOException

Throws:

IOException

readFixedArray

public void readFixedArray(byte[] data)
                    throws IOException

Throws:

IOException

readFixedArray

public void readFixedArray(short[] data)
                    throws IOException

Throws:

IOException

readFixedArray

public void readFixedArray(float[] data)
                    throws IOException

Throws:

IOException

readFixedArray

public void readFixedArray(double[] data)
                    throws IOException

Throws:

IOException

readFixedArray

public void readFixedArray(long[] data)
                    throws IOException

Throws:

IOException

readMultiArray

public void readMultiArray(Object[] array)
                    throws IOException

Throws:

IOException

readNullTerminatedString

public String readNullTerminatedString(int maxLength)
                                throws IOException

Throws:

IOException

readObject

public RootObject readObject(String type)
                      throws IOException

Throws:

IOException

readObjectRef

public RootObject readObjectRef()
                         throws IOException

Throws:

IOException

readString

public String readString()
                  throws IOException

Throws:

IOException

readVersion

public int readVersion()
                throws IOException

Throws:

IOException

readVersion

public int readVersion(AbstractRootObject object)
                throws IOException

Throws:

IOException

slice

public RootInput slice(int size)
                throws IOException

Returns a new RootInput stream which represents a slice of this RootInput stream. The new RootInput maintains its own file position independent of the parent stream. The slice starts from the current file position and extends for size bytes.

Parameters:

size - The size of the slice.

Returns:

The slice

Throws:

IOException

slice

public RootInput slice(int inSize,
                       int outSize)
                throws IOException

Slice and decompress

Throws:

IOException

readTwistedDouble

public double readTwistedDouble()
                         throws IOException

Reads a double in strange byte order?

Throws:

IOException

dump

public void dump()
          throws IOException

For debugging

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException

skipObject

public void skipObject()
                throws IOException

For skipping uninterpretable objects

Throws:

IOException