wt.pds
Class ClassJoinCondition

java.lang.Object
  wt.pds.LinkJoinCondition
      wt.pds.ClassJoinCondition

All Implemented Interfaces:

Externalizable, JoinCondition, Serializable, WhereCondition

public class ClassJoinCondition

extends LinkJoinCondition

implements Externalizable

This class represents a JoinCondition from a class.

Supported API: false

Extendable: false

See Also:

Serialized Form

Field Summary

private static String	CLASSNAME
static boolean	DEBUG
static long	EXTERNALIZATION_VERSION_UID
private JoinIndex	joinIndex
private boolean	linkOuterJoin
private static DebugWriter	LOG
protected static long	OLD_FORMAT_VERSION_UID
private static String	RESOURCE
(package private) static long	serialVersionUID
private int	targetFromIndex
private boolean	targetOuterJoin

Fields inherited from class wt.pds.LinkJoinCondition

linkClass, linkInfo, REF_OBJECT_ID, REF_VERSION_ID, referenceName, referenceType

Fields inherited from interface wt.pds.WhereCondition

OUTER_JOIN_FROM_INDICIES

Constructor Summary

ClassJoinCondition()


Supported API: false

ClassJoinCondition(int a_linkFromIndex, String a_role, int a_targetFromIndex)


Supported API: false

Method Summary

WhereExpression	getExpression(Vector a_tables) Returns the condition expression for this join.
JoinIndex	getJoinIndex(int a_tableTotalSize) Supported API: false
int[]	getOuterJoinFromIndicies() Gets the value of the attribute: outerJoinFromIndicies; The index values in the From clause for any classes that use an outer join in this condition.
int	getTargetFromIndex() Gets the value of the attribute: targetFromIndex; From index of the target class Supported API: false
boolean	isLinkOuterJoin() Gets the value of the attribute: linkOuterJoin; Indicates if an outer join should be used on the link class.
boolean	isTargetOuterJoin() Gets the value of the attribute: targetOuterJoin; Indicates if an outer join should be used on the target class.
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(ClassJoinCondition thisObject, ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source.
void	setLinkOuterJoin(boolean a_LinkOuterJoin) Sets the value of the attribute: linkOuterJoin; Indicates if an outer join should be used on the link class.
void	setTargetFromIndex(int a_TargetFromIndex) Sets the value of the attribute: targetFromIndex; From index of the target class Supported API: false
void	setTargetOuterJoin(boolean a_TargetOuterJoin) Sets the value of the attribute: targetOuterJoin; Indicates if an outer join should be used on the target class.
String	toString()
void	writeExternal(ObjectOutput output) Writes the non-transient fields of this class to an external source.

Methods inherited from class wt.pds.LinkJoinCondition

buildReference, getLinkFromIndex, getReferenceName, getRole, getValidClass, readVersion, setFixedLinkClass, setLinkFromIndex, setRole

Methods inherited from class java.lang.Object

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

Field Detail

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

CLASSNAME

private static final String CLASSNAME

targetFromIndex

private int targetFromIndex

linkOuterJoin

private boolean linkOuterJoin

targetOuterJoin

private boolean targetOuterJoin

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

DEBUG

public static final boolean DEBUG

LOG

private static final DebugWriter LOG

joinIndex

private transient JoinIndex joinIndex

Constructor Detail

ClassJoinCondition

public ClassJoinCondition()

Supported API: false

ClassJoinCondition

public ClassJoinCondition(int a_linkFromIndex,
                          String a_role,
                          int a_targetFromIndex)

Supported API: false

Parameters:

a_linkFromIndex -

a_role -

a_targetFromIndex -

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

Overrides:

writeExternal in class LinkJoinCondition

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

Overrides:

readExternal in class LinkJoinCondition

Parameters:

input -

Throws:

IOException

ClassNotFoundException

readVersion

protected boolean readVersion(ClassJoinCondition 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

getTargetFromIndex

public int getTargetFromIndex()

Gets the value of the attribute: targetFromIndex; From index of the target class

Supported API: false

Returns:

int

setTargetFromIndex

public void setTargetFromIndex(int a_TargetFromIndex)

Sets the value of the attribute: targetFromIndex; From index of the target class

Supported API: false

Parameters:

a_TargetFromIndex -

isLinkOuterJoin

public boolean isLinkOuterJoin()

Gets the value of the attribute: linkOuterJoin; Indicates if an outer join should be used on the link class. Setting this attribute to true, automatically sets the targetOuterJoin attribute to false.

Supported API: false

Returns:

boolean

setLinkOuterJoin

public void setLinkOuterJoin(boolean a_LinkOuterJoin)

Sets the value of the attribute: linkOuterJoin; Indicates if an outer join should be used on the link class. Setting this attribute to true, automatically sets the targetOuterJoin attribute to false.

Supported API: false

Parameters:

a_LinkOuterJoin -

isTargetOuterJoin

public boolean isTargetOuterJoin()

Gets the value of the attribute: targetOuterJoin; Indicates if an outer join should be used on the target class. Setting this attribute to true, automatically sets the linkOuterJoin attribute to false.

Supported API: false

Returns:

boolean

setTargetOuterJoin

public void setTargetOuterJoin(boolean a_TargetOuterJoin)

Sets the value of the attribute: targetOuterJoin; Indicates if an outer join should be used on the target class. Setting this attribute to true, automatically sets the linkOuterJoin attribute to false.

Supported API: false

Parameters:

a_TargetOuterJoin -

getOuterJoinFromIndicies

public int[] getOuterJoinFromIndicies()

Gets the value of the attribute: outerJoinFromIndicies; The index values in the From clause for any classes that use an outer join in this condition.

Supported API: false

Specified by:

getOuterJoinFromIndicies in interface WhereCondition

Specified by:

getOuterJoinFromIndicies in class LinkJoinCondition

Returns:

int[]

getExpression

public WhereExpression getExpression(Vector a_tables)
                              throws WTException

Returns the condition expression for this join.

Supported API: false

Specified by:

getExpression in interface WhereCondition

Specified by:

getExpression in class LinkJoinCondition

Parameters:

a_tables -

Returns:

WhereExpression

Throws:

WTException

getJoinIndex

public JoinIndex getJoinIndex(int a_tableTotalSize)

Supported API: false

Specified by:

getJoinIndex in interface JoinCondition

Specified by:

getJoinIndex in class LinkJoinCondition

Parameters:

a_tableTotalSize -

Returns:

JoinIndex

toString

public String toString()

Overrides:

toString in class LinkJoinCondition