wt.fc
Class WTStringSet

java.lang.Object
  wt.fc.WTStringSet

All Implemented Interfaces:

Externalizable, Serializable

public class WTStringSet

extends Object

implements Externalizable

This class represents sets of strings that are represented in the database as a comma separated list of the strings it contains.

Supported API: false

Extendable: false

See Also:

Serialized Form

Field Summary

private static String	CLASSNAME
private boolean	dirty
static long	EXTERNALIZATION_VERSION_UID
protected static long	OLD_FORMAT_VERSION_UID
private static String	RESOURCE
(package private) static long	serialVersionUID
(package private) Hashtable	stringTable
private String	value

Constructor Summary

WTStringSet()
No arg constructor.

WTStringSet(String value)
Constructor that takes a comma separated string as argument.

Method Summary

void	add(String element) Adds a new element to set.
boolean	contains(String element) Determines if element belongs to set.
Enumeration	elements() Returns an enumeration with the elements of the set.
boolean	equals(Object obj) Determines whether the set is equal to the one passed as parameter.
protected String	getValue() Gets the value of the attribute: value; Comma separated list that represents the set internally.
int	hashCode() Returns hash code.
boolean	includes(WTStringSet set) Determines if the set includes the set passed as argument.
WTStringSet	intersection(WTStringSet set) Subtracts from the set all elements that don't belong to the set passed as argument.
boolean	isEmpty() Determines whether set is empty.
WTStringSet	minus(WTStringSet set) Subtracts from the set all elements of the set passed as argument.
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(WTStringSet thisObject, ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source.
void	remove(String element) Adds a new element to set.
private void	setStringValue()
protected void	setTable()
protected void	setValue(String a_Value) Sets the value of the attribute: value; Comma separated list that represents the set internally.
int	size() Returns the number of elements in the set.
String	toString() Returns internal representation of the set.
WTStringSet	union(WTStringSet set) Adds to the set all elements of the set passed as argument.
private void	valueValidate(String a_Value)
void	writeExternal(ObjectOutput output) Writes the non-transient fields of this class to an external source.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

CLASSNAME

private static final String CLASSNAME

value

private String value

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

stringTable

Hashtable stringTable

dirty

private boolean dirty

Constructor Detail

WTStringSet

public WTStringSet()

No arg constructor.

Supported API: false

WTStringSet

public WTStringSet(String value)
            throws DatastoreException

Constructor that takes a comma separated string as argument.

Supported API: false

Parameters:

value -

Throws:

DatastoreException

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(WTStringSet 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

getValue

protected String getValue()

Gets the value of the attribute: value; Comma separated list that represents the set internally.

Supported API: false

Returns:

String

setValue

protected void setValue(String a_Value)
                 throws WTPropertyVetoException

Sets the value of the attribute: value; Comma separated list that represents the set internally.

Supported API: false

Parameters:

a_Value -

Throws:

WTPropertyVetoException

valueValidate

private void valueValidate(String a_Value)
                    throws WTPropertyVetoException

Parameters:

a_Value -

Throws:

WTPropertyVetoException

add

public void add(String element)
         throws WTException

Adds a new element to set. Nothing happens is element already belongs to set. May throw exception if total length of internal string is greater than what can be stored in the database.

Supported API: false

Parameters:

element -

Throws:

WTException

remove

public void remove(String element)
            throws WTException

Adds a new element to set. Nothing happens is element already doesn't belong to set.

Supported API: false

Parameters:

element -

Throws:

WTException

contains

public boolean contains(String element)

Determines if element belongs to set. Returns 'true' if it belongs and 'false' otherwise.

Supported API: false

Parameters:

element -

Returns:

boolean

isEmpty

public boolean isEmpty()

Determines whether set is empty. Returns 'true' if set is empty; false otherwise.

Supported API: false

Returns:

boolean

size

public int size()

Returns the number of elements in the set.

Supported API: false

Returns:

int

elements

public Enumeration elements()

Returns an enumeration with the elements of the set.

Supported API: false

Returns:

Enumeration

toString

public String toString()

Returns internal representation of the set.

Supported API: false

Returns:

String

equals

public boolean equals(Object obj)

Determines whether the set is equal to the one passed as parameter. Returns true if this is the case and false otherwise. Two sets are equal if they have the same elements.

Supported API: false

Parameters:

obj -

Returns:

boolean

includes

public boolean includes(WTStringSet set)

Determines if the set includes the set passed as argument. Returns true if this is the case and false otherwise.

Supported API: false

Parameters:

set -

Returns:

boolean

union

public WTStringSet union(WTStringSet set)
                  throws WTException

Adds to the set all elements of the set passed as argument. Returns itself.

Supported API: false

Parameters:

set -

Returns:

WTStringSet

Throws:

WTException

minus

public WTStringSet minus(WTStringSet set)
                  throws WTException

Subtracts from the set all elements of the set passed as argument. Returns itself.

Supported API: false

Parameters:

set -

Returns:

WTStringSet

Throws:

WTException

intersection

public WTStringSet intersection(WTStringSet set)
                         throws WTException

Subtracts from the set all elements that don't belong to the set passed as argument. Returns itself.

Supported API: false

Parameters:

set -

Returns:

WTStringSet

Throws:

WTException

hashCode

public int hashCode()

Returns hash code.

Supported API: false

Returns:

int

setTable

protected void setTable()

setStringValue

private void setStringValue()