wt.index
Class IndexerHelper

java.lang.Object
  extended bywt.index.IndexerHelper
All Implemented Interfaces:
Externalizable, Serializable

public class IndexerHelper
extends Object
implements Externalizable

The IndexerHelper class provides a means to manipulate the set of indexers contained in a Indexable object.

Supported API: false

Extendable: false

See Also:
Serialized Form

Field Summary
private static String CLASSNAME
           
static long EXTERNALIZATION_VERSION_UID
           
protected static long OLD_FORMAT_VERSION_UID
           
private static String RESOURCE
           
(package private) static long serialVersionUID
           
 
Constructor Summary
IndexerHelper()
           
 
Method Summary
static boolean addIndexer(Indexable obj, String indexer)
          Adds an indexer to the indexer list associated with the Indexable object.
static void addIndexers(Indexable obj, IndexerSet indexers)
          Adds the indexers contained in an IndexerSet object to the indexer set of an Indexable object.
static boolean contains(Indexable obj, String indexer)
          Determines if an indexer belongs to an indexable object.
static IndexerSet getIndexers(Indexable obj)
          Returns the IndexerSet associated with an Indexable object.
static Enumeration indexers(Indexable obj)
          Returns the list of objects associated with the object.
 void readExternal(ObjectInput input)
          Reads the non-transient fields of this class from an external source.
private  boolean readOldVersion(ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone)
          Reads the non-transient fields of this class from an external source, which is not the current version.
protected  boolean readVersion(IndexerHelper thisObject, ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone)
          Reads the non-transient fields of this class from an external source.
static boolean removeIndexer(Indexable obj, String indexer)
          Removes a given indexer from the indexer list associated with the object.
static void setIndexers(Indexable obj, IndexerSet indexers)
          Associates an indexer list with an Indexable object.
 void writeExternal(ObjectOutput output)
          Writes the non-transient fields of this class to an external source.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

RESOURCE

private static final String RESOURCE
See Also:
Constant Field Values

CLASSNAME

private static final String CLASSNAME

serialVersionUID

static final long serialVersionUID
See Also:
Constant Field Values

EXTERNALIZATION_VERSION_UID

public static final long EXTERNALIZATION_VERSION_UID
See Also:
Constant Field Values

OLD_FORMAT_VERSION_UID

protected static final long OLD_FORMAT_VERSION_UID
See Also:
Constant Field Values
Constructor Detail

IndexerHelper

public IndexerHelper()
Method Detail

writeExternal

public void writeExternal(ObjectOutput output)
                   throws IOException
Writes the non-transient fields of this class to an external source.

Supported API: false

Specified by:
writeExternal in interface Externalizable
Parameters:
output -
Throws:
IOException

readExternal

public void readExternal(ObjectInput input)
                  throws IOException,
                         ClassNotFoundException
Reads the non-transient fields of this class from an external source.

Supported API: false

Specified by:
readExternal in interface Externalizable
Parameters:
input -
Throws:
IOException
ClassNotFoundException

readVersion

protected boolean readVersion(IndexerHelper thisObject,
                              ObjectInput input,
                              long readSerialVersionUID,
                              boolean passThrough,
                              boolean superDone)
                       throws IOException,
                              ClassNotFoundException
Reads the non-transient fields of this class from an external source.

Supported API: false

Parameters:
thisObject -
input -
readSerialVersionUID -
passThrough -
superDone -
Returns:
boolean
Throws:
IOException
ClassNotFoundException

readOldVersion

private boolean readOldVersion(ObjectInput input,
                               long readSerialVersionUID,
                               boolean passThrough,
                               boolean superDone)
                        throws IOException,
                               ClassNotFoundException
Reads the non-transient fields of this class from an external source, which is not the current version.

Parameters:
input -
readSerialVersionUID -
passThrough -
superDone -
Returns:
boolean
Throws:
IOException
ClassNotFoundException

contains

public static boolean contains(Indexable obj,
                               String indexer)
Determines if an indexer belongs to an indexable object.

Supported API: false

Parameters:
obj -
indexer -
Returns:
boolean

indexers

public static Enumeration indexers(Indexable obj)
Returns the list of objects associated with the object.

Supported API: false

Parameters:
obj -
Returns:
Enumeration

removeIndexer

public static boolean removeIndexer(Indexable obj,
                                    String indexer)
Removes a given indexer from the indexer list associated with the object.

Supported API: false

Parameters:
obj -
indexer -
Returns:
boolean

addIndexer

public static boolean addIndexer(Indexable obj,
                                 String indexer)
Adds an indexer to the indexer list associated with the Indexable object.

Supported API: false

Parameters:
obj -
indexer -
Returns:
boolean

setIndexers

public static void setIndexers(Indexable obj,
                               IndexerSet indexers)
                        throws WTException
Associates an indexer list with an Indexable object.

Supported API: false

Parameters:
obj -
indexers -
Throws:
WTException

addIndexers

public static void addIndexers(Indexable obj,
                               IndexerSet indexers)
                        throws WTException
Adds the indexers contained in an IndexerSet object to the indexer set of an Indexable object.

Supported API: false

Parameters:
obj -
indexers -
Throws:
WTException

getIndexers

public static IndexerSet getIndexers(Indexable obj)
Returns the IndexerSet associated with an Indexable object.

Supported API: false

Parameters:
obj -
Returns:
IndexerSet