com.tibco.as.space

Class SNFileReader

java.lang.Object

com.tibco.as.space.SNFileReader

public abstract class SNFileReader
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
SNFileReader()

Method Summary

Modifier and Type	Method and Description
abstract void	close() Close the shared-nothing file
abstract java.util.BitSet	getBitSet() Returns the bitmap representing free and used blocks in the file
abstract java.util.Collection<FieldDef>	getFields() Returns the list of fields from the space definition found in the file
abstract SpaceDef	getSpaceDef() Returns the space definition found in the file
abstract Tuple	next() Returns the next tuple
static SNFileReader	open(java.io.File datastore, java.lang.String metaspaceName, java.lang.String spaceName, java.lang.String memberName) Opens the given shared-nothing file to browse {@code (e.g.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SNFileReader

public SNFileReader()

Method Detail

open

public static SNFileReader open(java.io.File datastore,
                                java.lang.String metaspaceName,
                                java.lang.String spaceName,
                                java.lang.String memberName)
                         throws ASException

Opens the given shared-nothing file to browse (e.g. SNFileReader snFile = SNFileReader.open(new File("ds"), "ms", "shared_nothing_persisted", "a6c403e-c350");)

Parameters:

datastore - root datastore directory with absolute path (e.g. File datastore = new File("ds");).

metaspaceName - Name of the metaspace

spaceName - Name of the space

memberName - Name of the member

Returns:

SNFileReader instance

Throws:

ASException

getBitSet

public abstract java.util.BitSet getBitSet()
                                    throws ASException

Returns the bitmap representing free and used blocks in the file

Returns:

BitSet

Throws:

ASException

next

public abstract Tuple next()
                    throws ASException

Returns the next tuple

Returns:

Tuple

Throws:

ASException

getFields

public abstract java.util.Collection<FieldDef> getFields()

Returns the list of fields from the space definition found in the file

Returns:

List of field definitions found in the file

getSpaceDef

public abstract SpaceDef getSpaceDef()

Returns the space definition found in the file

Returns:

SpaceDef

close

public abstract void close()
                    throws ASException

Close the shared-nothing file

Throws:

ASException