wt.pds
Class LinkJoinCondition

java.lang.Object
  wt.pds.LinkJoinCondition

All Implemented Interfaces:

Externalizable, JoinCondition, Serializable, WhereCondition

Direct Known Subclasses:

ClassJoinCondition, SourceIdJoinCondition, SourceJoinCondition

public abstract class LinkJoinCondition

extends Object

implements JoinCondition, Externalizable

This class specifies a join in terms of a navigable link class and role.

Supported API: false

Extendable: false

See Also:

Serialized Form

Field Summary

private static String	CLASSNAME
static long	EXTERNALIZATION_VERSION_UID
private Class	fixedLinkClass
protected Class	linkClass
private int	linkFromIndex
protected LinkInfo	linkInfo
protected static long	OLD_FORMAT_VERSION_UID
protected static String	REF_OBJECT_ID
protected static String	REF_VERSION_ID
protected String	referenceName
protected Class	referenceType
private static String	RESOURCE
private String	role
(package private) static long	serialVersionUID

Fields inherited from interface wt.pds.WhereCondition

OUTER_JOIN_FROM_INDICIES

Constructor Summary

LinkJoinCondition()


Supported API: false

LinkJoinCondition(int a_linkFromIndex, String a_role)


Supported API: false

Method Summary

protected void	buildReference(Vector a_tables)
abstract WhereExpression	getExpression(Vector a_tables) Returns the condition expression for this join.
abstract JoinIndex	getJoinIndex(int a_tableTotalSize) Supported API: false
int	getLinkFromIndex() Gets the value of the attribute: linkFromIndex; From index of the navigable link class Supported API: false
abstract 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.
(package private) static String	getReferenceName(LinkInfo a_linkInfo, String a_role)
String	getRole() Gets the value of the attribute: role; Navigable role that indicates the direction of the join Supported API: false
protected Class	getValidClass()
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(LinkJoinCondition thisObject, ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source.
(package private) void	setFixedLinkClass(Class a_fixedLinkClass)
void	setLinkFromIndex(int a_LinkFromIndex) Sets the value of the attribute: linkFromIndex; From index of the navigable link class Supported API: false
void	setRole(String a_Role) Sets the value of the attribute: role; Navigable role that indicates the direction of the join Supported API: false
String	toString()
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, wait, wait, wait

Field Detail

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

CLASSNAME

private static final String CLASSNAME

linkFromIndex

private int linkFromIndex

role

private String role

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

referenceName

protected transient String referenceName

referenceType

protected transient Class referenceType

linkClass

protected transient Class linkClass

linkInfo

protected transient LinkInfo linkInfo

fixedLinkClass

private transient Class fixedLinkClass

REF_OBJECT_ID

protected static final String REF_OBJECT_ID

See Also:

Constant Field Values

REF_VERSION_ID

protected static final String REF_VERSION_ID

See Also:

Constant Field Values

Constructor Detail

LinkJoinCondition

public LinkJoinCondition()

Supported API: false

LinkJoinCondition

public LinkJoinCondition(int a_linkFromIndex,
                         String a_role)

Supported API: false

Parameters:

a_linkFromIndex -

a_role -

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(LinkJoinCondition 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

getLinkFromIndex

public int getLinkFromIndex()

Gets the value of the attribute: linkFromIndex; From index of the navigable link class

Supported API: false

Returns:

int

setLinkFromIndex

public void setLinkFromIndex(int a_LinkFromIndex)

Sets the value of the attribute: linkFromIndex; From index of the navigable link class

Supported API: false

Parameters:

a_LinkFromIndex -

getRole

public String getRole()

Gets the value of the attribute: role; Navigable role that indicates the direction of the join

Supported API: false

Returns:

String

setRole

public void setRole(String a_Role)

Sets the value of the attribute: role; Navigable role that indicates the direction of the join

Supported API: false

Parameters:

a_Role -

getOuterJoinFromIndicies

public abstract 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

Returns:

int[]

getExpression

public abstract WhereExpression getExpression(Vector a_tables)
                                       throws WTException

Returns the condition expression for this join.

Supported API: false

Specified by:

getExpression in interface WhereCondition

Parameters:

a_tables -

Returns:

WhereExpression

Throws:

WTException

getJoinIndex

public abstract JoinIndex getJoinIndex(int a_tableTotalSize)

Supported API: false

Specified by:

getJoinIndex in interface JoinCondition

Parameters:

a_tableTotalSize -

Returns:

JoinIndex

getReferenceName

static String getReferenceName(LinkInfo a_linkInfo,
                               String a_role)
                        throws WTException

Throws:

WTException

setFixedLinkClass

void setFixedLinkClass(Class a_fixedLinkClass)

buildReference

protected void buildReference(Vector a_tables)
                       throws WTException

Throws:

WTException

getValidClass

protected Class getValidClass()
                       throws WTException

Throws:

WTException

toString

public String toString()