org.dspace.browse

Class IndexBrowse

java.lang.Object

org.dspace.browse.IndexBrowse

public class IndexBrowse
extends Object

Tool to create Browse indexes. This class is used from the command line to create and destroy the browse indices from configuration, and also from within the application to add and remove content from those tables. To see a full definition of the usage of this class just run it without any arguments, and you will get the help message.

Author:

Richard Jones

Constructor Summary

Constructors

Constructor and Description
IndexBrowse() Construct a new index browse.
IndexBrowse(Context context) Create a new IndexBrowse object.

Method Summary

Methods

Modifier and Type	Method and Description
void	clearDatabase() delete all the existing browse tables
boolean	delete()
boolean	execute()
String	getOutFile()
int	getStart()
void	indexItem(Item item) Index the given item
void	initBrowse() index everything
String[]	interpretField(String mfield, String init) Take a string representation of a metadata field, and return it as an array.
boolean	isFileOut()
boolean	isVerbose()
boolean	itemRemoved(int itemID)
boolean	itemRemoved(Item item) remove all the indices for the given item
static void	main(String[] argv) Creates Browse indexes, destroying the old ones.
boolean	rebuild()
void	setDelete(boolean bool)
void	setExecute(boolean bool)
void	setFileOut(boolean bool)
void	setOutFile(String file)
void	setRebuild(boolean bool)
void	setStart(int start)
void	setStdOut(boolean bool)
void	setVerbose(boolean verbose)
boolean	toStdOut()

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexBrowse

public IndexBrowse()
            throws SQLException,
                   BrowseException

Construct a new index browse. If done this way, an internal DSpace context will be created. Better instead to call new IndexBrowse(context); with your desired context (when using with the application)

Throws:

SQLException

BrowseException

IndexBrowse

public IndexBrowse(Context context)
            throws SQLException,
                   BrowseException

Create a new IndexBrowse object. This will ignore any authorisations applied to the Context

Parameters:

context -

Throws:

SQLException

BrowseException

Method Detail

isVerbose

public boolean isVerbose()

Returns:

Returns the verbose.

setVerbose

public void setVerbose(boolean verbose)

Parameters:

verbose - The verbose to set.

rebuild

public boolean rebuild()

Returns:

true if to rebuild the database, false if not

setRebuild

public void setRebuild(boolean bool)

Parameters:

bool - whether to rebuild the database or not

delete

public boolean delete()

Returns:

true if to delete the database, false if not

setDelete

public void setDelete(boolean bool)

Parameters:

bool - whetehr to delete the database or not

setStart

public void setStart(int start)

Parameters:

start - the index to start working up from

getStart

public int getStart()

Returns:

the index to start working up from

setExecute

public void setExecute(boolean bool)

Parameters:

bool - whether to execute the database commands or not

execute

public boolean execute()

Returns:

true if to execute database commands, false if not

setFileOut

public void setFileOut(boolean bool)

Parameters:

bool - whether to use an output file

isFileOut

public boolean isFileOut()

Returns:

true if using an output file, false if not

setStdOut

public void setStdOut(boolean bool)

Parameters:

bool - whether to write to standard out

toStdOut

public boolean toStdOut()

Returns:

true if to write to standard out, false if not

setOutFile

public void setOutFile(String file)

Parameters:

file - the name of the output file

getOutFile

public String getOutFile()

Returns:

the name of the output file

indexItem

public void indexItem(Item item)
               throws BrowseException

Index the given item

Parameters:

item - the item to index

Throws:

BrowseException

itemRemoved

public boolean itemRemoved(Item item)
                    throws BrowseException

remove all the indices for the given item

Parameters:

item - the item to be removed

Throws:

BrowseException

itemRemoved

public boolean itemRemoved(int itemID)
                    throws BrowseException

Throws:

BrowseException

main

public static void main(String[] argv)
                 throws SQLException,
                        BrowseException,
                        org.apache.commons.cli.ParseException

Creates Browse indexes, destroying the old ones.

Parameters:

argv - Command-line arguments

Throws:

SQLException

BrowseException

org.apache.commons.cli.ParseException

clearDatabase

public void clearDatabase()
                   throws BrowseException

delete all the existing browse tables

Throws:

BrowseException

initBrowse

public void initBrowse()
                throws SQLException,
                       BrowseException

index everything

Throws:

SQLException

BrowseException

interpretField

public String[] interpretField(String mfield,
                      String init)
                        throws IOException

Take a string representation of a metadata field, and return it as an array. This is just a convenient utility method to basically break the metadata representation up by its delimiter (.), and stick it in an array, inserting the value of the init parameter when there is no metadata field part.

Parameters:

mfield - the string representation of the metadata

init - the default value of the array elements

Returns:

a three element array with schema, element and qualifier respectively

Throws:

IOException