Package de.businesscode.bcdui.wrs.load

Class WrqBindingSetFromDerivedTable

java.lang.Object

de.businesscode.bcdui.wrs.load.WrqBindingSetVirtual

de.businesscode.bcdui.wrs.load.WrqBindingSetFromDerivedTable

All Implemented Interfaces:

BindingSet, WrqBindingSet, Serializable, Cloneable

public class WrqBindingSetFromDerivedTable
extends WrqBindingSetVirtual

This class allows using a sub-select (SqlFromSubSelect) like a BindingSet I.e., it represents its output (selected columns) as a BindingSet Represents a virtual BindingSet resulting from a sub-select during the execution of a Wrq

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface de.businesscode.bcdui.binding.BindingSet

BindingSet.SECURITY_OPS

Field Summary

Fields

Modifier and Type	Field	Description
protected final WrqInfo	wrqInfo

Fields inherited from class de.businesscode.bcdui.wrs.load.WrqBindingSetVirtual

bindingItems, currentSelect, name, resolvedBindingSets, sqlAlias, sqlStatementWithParams, tableName, wrqModifiers

Fields inherited from interface de.businesscode.bcdui.binding.BindingSet

DEFAULT_DATABASE_SOURCENAME

Constructor Summary

Constructors

Constructor	Description
WrqBindingSetFromDerivedTable(SqlFromSubSelect currentSelect)	Constructor

Method Summary

Modifier and Type	Method	Description
String	getJdbcResourceName()	Gets the database name the table of the BindingSet is located in.
SQLStatementWithParams	getSubjectFilterExpression(WrqInfo wrqInfo)	Pure virtual BindingSets do not have SubjectFilters

Methods inherited from class de.businesscode.bcdui.wrs.load.WrqBindingSetVirtual

addRelation, assurePermissionDefined, assurePermitted, get, get, getBindingItemFromRelation, getBindingItemNames, getKeyBindingItems, getName, getRelations, getResolvedBindingSets, getSecurity, getSqlAlias, getSQLStatementWithParams, getSubjectFilters, getTableReference, getWriteProcessing, getWrqModifiers, hasCustomItem, hasItem, hasKeyBindingItems, hasSubjectFilters, isAllowSelectAllColumns, isBackendCanBypassSubjectFilter

Methods inherited from class java.lang.Object

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

Field Details

wrqInfo

protected final WrqInfo wrqInfo

Constructor Details

WrqBindingSetFromDerivedTable

public WrqBindingSetFromDerivedTable(SqlFromSubSelect currentSelect)
                              throws Exception

Constructor

Parameters:

currentSelect -

Throws:

Exception

Method Details

getSubjectFilterExpression

public SQLStatementWithParams getSubjectFilterExpression(WrqInfo wrqInfo)
                                                  throws BindingException

Pure virtual BindingSets do not have SubjectFilters

Specified by:

getSubjectFilterExpression in interface WrqBindingSet

Specified by:

getSubjectFilterExpression in class WrqBindingSetVirtual

Returns:

Throws:

BindingException

getJdbcResourceName

public String getJdbcResourceName()

Description copied from interface: BindingSet

Gets the database name the table of the BindingSet is located in.

Specified by:

getJdbcResourceName in interface BindingSet

Specified by:

getJdbcResourceName in class WrqBindingSetVirtual

Returns:

All tables need to be on the same database, so here we return one from a random resolved BindingSet