Package de.businesscode.bcdui.binding.rel

Class Relation

java.lang.Object

de.businesscode.bcdui.binding.rel.Relation

public class Relation
extends Object

Relations are defined for a BindingSet in its config file. They are transparent to the client The related BindingSet is automatically joined, if one of its items is requested while the main BindingSet is queried Often this will be joined reference data tables

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	Relation.TYPE

Constructor Summary

Constructors

Constructor	Description
Relation(Element relationElement, BindingSet pLeftBindingSet, int idx)	Constructor
Relation(Element relationElement, String pLeftBindingSetName, int idx)	Constructor

Method Summary

Modifier and Type	Method	Description
List<String>	getAllImportItemNames()	getAllImportItemNames
Condition	getCondition()	getCondition
String	getConditionStatement(String mainTableAlias, boolean isForJoinToCaseWhen)	returns statement created by own condition
String	getId()	getId
BindingItemFromRel	getImportItemByName(String key)	getImportItemByName
List<BindingItemFromRel>	getImportItems()	getImportItems
String	getJoinAsString()	gets join string
BindingSet	getLeftBindingSet()	getLeftBindingSet
String	getLeftBindingSetName()	getLeftBindingSetName
String	getRelationStatement(String mainTableAlias)	builds SQL statement for the relation like: LEFT OUTER JOIN ...tableName ...aliasName ON ( ...here condition statement )
String	getRightBindingSetName()
StandardBindingSet	getSourceBindingSet()	Method getSourceBindingSet
String	getTableAlias(String mainTableAlias)
Relation.TYPE	getType()	Method getType
boolean	importsContainItem(String key)	importsContainItem
void	initRelation(Element relationElement)	initializes all children of relation
boolean	isDefaultImport()
boolean	isLeftOuter()	Method isLeftOuter
boolean	isRightOuter()	Method isRightOuter
void	setCondition(Condition pcondition)	Method setCondition
void	setId(String pname)	setId
void	setLeftBindingSet(StandardBindingSet pLeftBindingSet)	setLeftBindingSet
void	setLeftBindingSetName(String pLeftBindingSetName)	setLeftBindingSetName
protected void	setRightBindingSetName(String pRightBindingSetName)	setRightBindingSetName
void	setSourceBindingSet(StandardBindingSet psourceBindingSet)	Method setSourceBindingSet
void	setType(Relation.TYPE ptype)	Method setType
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

Relation

public Relation(Element relationElement,
 String pLeftBindingSetName,
 int idx)
         throws XPathExpressionException,
BindingException

Constructor

Parameters:

relationElement -

pLeftBindingSetName -

Throws:

XPathExpressionException

BindingException

Relation

public Relation(Element relationElement,
 BindingSet pLeftBindingSet,
 int idx)
         throws XPathExpressionException,
BindingException

Constructor

Parameters:

relationElement -

pLeftBindingSet -

Throws:

XPathExpressionException

BindingException

Method Details

getLeftBindingSetName

public String getLeftBindingSetName()

getLeftBindingSetName

Returns:

setLeftBindingSetName

public void setLeftBindingSetName(String pLeftBindingSetName)

setLeftBindingSetName

Parameters:

pLeftBindingSetName -

getLeftBindingSet

public BindingSet getLeftBindingSet()
                             throws BindingException

getLeftBindingSet

Returns:

Throws:

BindingException

setLeftBindingSet

public void setLeftBindingSet(StandardBindingSet pLeftBindingSet)

setLeftBindingSet

Parameters:

pLeftBindingSet -

getId

public String getId()

getId

Returns:

setId

public void setId(String pname)

setId

Parameters:

pname -

getRightBindingSetName

public String getRightBindingSetName()

initRelation

public void initRelation(Element relationElement)
                  throws XPathExpressionException,
BindingException

initializes all children of relation

Parameters:

relationElement -

Throws:

XPathExpressionException

BindingException

getCondition

public Condition getCondition()
                       throws BindingException

getCondition

Returns:

Throws:

XPathExpressionException

BindingException

setCondition

public void setCondition(Condition pcondition)

Method setCondition

Parameters:

pcondition -

getType

public Relation.TYPE getType()

Method getType

Returns:

setType

public void setType(Relation.TYPE ptype)

Method setType

Parameters:

ptype -

getSourceBindingSet

public StandardBindingSet getSourceBindingSet()

Method getSourceBindingSet

Returns:

Throws:

BindingException

setSourceBindingSet

public void setSourceBindingSet(StandardBindingSet psourceBindingSet)

Method setSourceBindingSet

Parameters:

psourceBindingSet -

isLeftOuter

public boolean isLeftOuter()

Method isLeftOuter

Returns:

isRightOuter

public boolean isRightOuter()

Method isRightOuter

Returns:

getConditionStatement

public String getConditionStatement(String mainTableAlias,
 boolean isForJoinToCaseWhen)
                             throws BindingException

returns statement created by own condition

Returns:

Throws:

BindingException

getJoinAsString

public String getJoinAsString()

gets join string

Returns:

getImportItems

public List<BindingItemFromRel> getImportItems()
                                        throws BindingNotFoundException

getImportItems

Returns:

Throws:

BindingException

BindingNotFoundException

importsContainItem

public boolean importsContainItem(String key)
                           throws BindingException

importsContainItem

Parameters:

key -

Returns:

Throws:

BindingException

getImportItemByName

public BindingItemFromRel getImportItemByName(String key)
                                       throws BindingException

getImportItemByName

Parameters:

key -

Returns:

null if not found

Throws:

BindingException

getAllImportItemNames

public List<String> getAllImportItemNames()
                                   throws BindingNotFoundException

getAllImportItemNames

Returns:

Throws:

BindingException

BindingNotFoundException

getRelationStatement

public String getRelationStatement(String mainTableAlias)
                            throws BindingException

builds SQL statement for the relation like: LEFT OUTER JOIN ...tableName ...aliasName ON ( ...here condition statement )

Throws:

BindingException

setRightBindingSetName

protected void setRightBindingSetName(String pRightBindingSetName)

setRightBindingSetName

Parameters:

pRightBindingSetName -

toString

public String toString()

Overrides:

toString in class Object

See Also:

• Object.toString()

getTableAlias

public String getTableAlias(String mainTableAlias)

isDefaultImport

public boolean isDefaultImport()