public abstract class AbstractSaver extends java.lang.Object implements Saver, CapabilitiesHandler
BATCH, INCREMENTAL, NONE
Constructor and Description |
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AbstractSaver() |
Modifier and Type | Method and Description |
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void |
cancel()
Cancels the incremental saving process if the write mode is CANCEL.
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java.lang.String |
filePrefix()
Default implementation throws an IOException.
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Capabilities |
getCapabilities()
Returns the Capabilities of this saver.
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java.lang.String |
getFileExtension()
Default implementation throws an IOException.
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Instances |
getInstances()
Gets instances that should be stored.
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int |
getWriteMode()
Gets the write mode.
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void |
resetOptions()
resets the options
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void |
resetStructure()
Resets the structure (header information of the instances)
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java.lang.String |
retrieveDir()
Default implementation throws an IOException.
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void |
setDestination(java.io.File file)
Default implementation throws an IOException.
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void |
setDestination(java.io.OutputStream output)
Default implementation throws an IOException.
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void |
setDir(java.lang.String dir)
Default implementation throws an IOException.
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void |
setDirAndPrefix(java.lang.String relationName,
java.lang.String add)
Default implementation throws an IOException.
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void |
setFile(java.io.File file)
Default implementation throws an IOException.
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void |
setFilePrefix(java.lang.String prefix)
Default implementation throws an IOException.
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void |
setInstances(Instances instances)
Sets instances that should be stored.
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void |
setRetrieval(int mode)
Sets the retrieval mode.
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int |
setStructure(Instances headerInfo)
Sets the strcuture of the instances for the first step of incremental saving.
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abstract void |
writeBatch()
Writes to a file in batch mode
To be overridden.
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void |
writeIncremental(Instance i)
Method for incremental saving.
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
getRevision
public void resetOptions()
public void resetStructure()
public void setRetrieval(int mode)
setRetrieval
in interface Saver
mode
- the retrieval modepublic int getWriteMode()
getWriteMode
in interface Saver
public void setInstances(Instances instances)
setInstances
in interface Saver
instances
- the instancespublic Instances getInstances()
public void setDestination(java.io.File file) throws java.io.IOException
setDestination
in interface Saver
file
- the Filejava.io.IOException
- alwayspublic void setDestination(java.io.OutputStream output) throws java.io.IOException
setDestination
in interface Saver
output
- the OutputStreamjava.io.IOException
- alwayspublic Capabilities getCapabilities()
getCapabilities
in interface CapabilitiesHandler
Capabilities
public int setStructure(Instances headerInfo)
headerInfo
- an instances object.public void cancel()
public void writeIncremental(Instance i) throws java.io.IOException
writeIncremental
in interface Saver
i
- the instance to be savedjava.io.IOException
- IOEXception if the instance acnnot be written to the specified destinationpublic abstract void writeBatch() throws java.io.IOException
writeBatch
in interface Saver
java.io.IOException
- exception if writting is not possiblepublic java.lang.String getFileExtension() throws java.lang.Exception
getFileExtension
in interface Saver
java.io.IOException
- alwaysjava.lang.Exception
- exception if a Saver not implementing FileSourcedConverter is used.public void setFile(java.io.File file) throws java.io.IOException
public void setFilePrefix(java.lang.String prefix) throws java.lang.Exception
setFilePrefix
in interface Saver
prefix
- the file prefixjava.io.IOException
- alwaysjava.lang.Exception
- exception if a Saver not implementing FileSourcedConverter is used.public java.lang.String filePrefix() throws java.lang.Exception
filePrefix
in interface Saver
java.io.IOException
- alwaysjava.lang.Exception
- exception if a Saver not implementing FileSourcedConverter is used.public void setDir(java.lang.String dir) throws java.io.IOException
public void setDirAndPrefix(java.lang.String relationName, java.lang.String add) throws java.io.IOException
setDirAndPrefix
in interface Saver
relationName
- add
- java.io.IOException
- alwayspublic java.lang.String retrieveDir() throws java.io.IOException
retrieveDir
in interface Saver
java.io.IOException
- always