wt.query
Class ClassViewExpression

java.lang.Object
  wt.query.AbstractClassTableExpression
      wt.query.ClassViewExpression

All Implemented Interfaces:

Cloneable, Externalizable, PageableTableExpression, Serializable, TableExpression

public class ClassViewExpression

extends AbstractClassTableExpression

implements Externalizable

This class represents a class specification of a table which can be used in a SQL FROM clause. The SQL table is a combined "view" of the class and all sub-classes.

Supported API: true

Extendable: false

See Also:

Serialized Form

Field Summary

private Vector	classInfos
private static String	CLASSNAME
private CriteriaDescriptor[]	criterion
static boolean	DEBUG
private static DMLGenerator	dmlGenerator
static long	EXTERNALIZATION_VERSION_UID
private JoinClause	joinClause
private static DebugWriter	LOG
private HashMap	map
protected static long	OLD_FORMAT_VERSION_UID
private static String	RESOURCE
(package private) static long	serialVersionUID
private String[]	tableAliases
private DatabaseViewInfo	viewInfo
private WhereExpression	where

Fields inherited from class wt.query.AbstractClassTableExpression

Fields inherited from interface wt.query.TableExpression

ACCESS_CONTROL_REQUIRED, ADVANCED_QUERY, ADVANCED_QUERY_ENABLED, BIND_PARAMETER, DESCENDANTS_INCLUDED, TABLE_CLASS

Constructor Summary

ClassViewExpression()


Supported API: false

ClassViewExpression(Class a_class)
This constructor initializes this instance.

Method Summary

void	appendClassAttribute(ClassAttribute a_classAttribute) Supported API: false
Object	getAppendedJoinConditionsBindParamter(String a_alias, Vector a_singleBindParameter, int a_outerNonJoinFromIndex, boolean a_fullPersistable) Supported API: false
ItemBuilder	getColumnAccessItemBuilder(Class a_class, int a_fromIndex) Supported API: false
private DMLGenerator	getDMLGenerator()
String	getExpression(AttributeMapInfo a_attributeMapInfo, AccessControllerProcessor a_accessControllerProcessor, String a_alias, int a_outerJoinType, boolean a_fullPersistableTable, boolean a_useBind) Return string representation of this expression.
JoinClause	getJoinCondition(String a_alias, boolean a_fullPersistable, Class a_tableClass) Supported API: false
String	getJoinCondition(String a_alias, Class a_tableClass, boolean a_fullPersistable) Supported API: false
int	getReferencedViewClassCount() Supported API: false
Vector	getTables() Returns a Vector of TableExpressions corresponding to this TableExpression.
WhereExpression	getWhere() Gets the value of the attribute: where.
boolean	isAutoNavigate() Supported API: false
boolean	isUseViewTableAlias() Supported API: false
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(ClassViewExpression thisObject, ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source.
void	setAppendedJoinConditions(WhereClause a_whereClause, WhereExpression a_whereExpression) Supported API: false
Object	setAppendedJoinConditions(WhereClause a_whereClause, WhereExpression a_whereExpression, String a_alias, Vector a_singleBindParameter, int a_outerNonJoinFromIndex, boolean a_fullPersistable, boolean a_useBind) Supported API: false
void	setWhere(WhereExpression a_Where) Sets the value of the attribute: where.
void	writeExternal(ObjectOutput output) Writes the non-transient fields of this class to an external source.

Methods inherited from class wt.query.AbstractClassTableExpression

appendSnapshotSelectId, appendSnapshotSelectName, buildJoinCondition, buildJoinCondition, clone, columnsReset, filterEmptyTables, getAccessControlRequired, getAutoNaviTableOrder, getBindParameter, getClassAccessControlRequired, getClassInfos, getColumns, getExcludedDescendants, getOrderAttributeList, getTableClass, getTableReferenceMap, getValidClasses, isAccessControlled, isAccessControlRequired, isAdvancedQuery, isAdvancedQueryEnabled, isDescendantsIncluded, isEmptyTableOptimzationEnabled, isOuterJoin, readVersion, setAccessControlRequired, setAdvancedQueryEnabled, setColumns, setDescendantsIncluded, setEmptyTableOptimzationEnabled, setExcludedDescendants, setIncludedInterfaces, setOrderAttributeList, setOuterJoin, toString

Methods inherited from class java.lang.Object

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

where

private WhereExpression where

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

classInfos

private transient Vector classInfos

viewInfo

private transient DatabaseViewInfo viewInfo

criterion

private transient CriteriaDescriptor[] criterion

map

private transient HashMap map

joinClause

private transient JoinClause joinClause

tableAliases

private transient String[] tableAliases

dmlGenerator

private static DMLGenerator dmlGenerator

DEBUG

public static final boolean DEBUG

LOG

private static final DebugWriter LOG

Constructor Detail

ClassViewExpression

public ClassViewExpression()

Supported API: false

ClassViewExpression

public ClassViewExpression(Class a_class)

This constructor initializes this instance.

Supported API: true

Parameters:

a_class - Class to use as source of the TableExpression.

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 AbstractClassTableExpression

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 AbstractClassTableExpression

Parameters:

input -

Throws:

IOException

ClassNotFoundException

readVersion

protected boolean readVersion(ClassViewExpression 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

getWhere

public WhereExpression getWhere()

Gets the value of the attribute: where.

Supported API: false

Returns:

WhereExpression

setWhere

public void setWhere(WhereExpression a_Where)
              throws WTPropertyVetoException

Sets the value of the attribute: where.

Supported API: false

Parameters:

a_Where -

Throws:

WTPropertyVetoException

getTables

public Vector getTables()
                 throws QueryException

Returns a Vector of TableExpressions corresponding to this TableExpression.

Supported API: false

Specified by:

getTables in interface TableExpression

Specified by:

getTables in class AbstractClassTableExpression

Returns:

Vector

Throws:

QueryException

getExpression

public String getExpression(AttributeMapInfo a_attributeMapInfo,
                            AccessControllerProcessor a_accessControllerProcessor,
                            String a_alias,
                            int a_outerJoinType,
                            boolean a_fullPersistableTable,
                            boolean a_useBind)
                     throws WTException

Return string representation of this expression.

Supported API: false

Specified by:

getExpression in interface TableExpression

Specified by:

getExpression in class AbstractClassTableExpression

Parameters:

a_attributeMapInfo - Attribute information to use for building the expression

a_accessControllerProcessor - AccessContoller to use for building the expression

a_alias -

a_outerJoinType -

a_fullPersistableTable -

a_useBind -

Returns:

String

Throws:

WTException

isAutoNavigate

public boolean isAutoNavigate()
                       throws WTException

Supported API: false

Specified by:

isAutoNavigate in interface TableExpression

Specified by:

isAutoNavigate in class AbstractClassTableExpression

Returns:

boolean

Throws:

WTException

getColumnAccessItemBuilder

public ItemBuilder getColumnAccessItemBuilder(Class a_class,
                                              int a_fromIndex)
                                       throws PersistenceException

Supported API: false

Specified by:

getColumnAccessItemBuilder in interface TableExpression

Specified by:

getColumnAccessItemBuilder in class AbstractClassTableExpression

Parameters:

a_class -

a_fromIndex -

Returns:

ItemBuilder

Throws:

PersistenceException

appendClassAttribute

public void appendClassAttribute(ClassAttribute a_classAttribute)

Supported API: false

Specified by:

appendClassAttribute in interface TableExpression

Specified by:

appendClassAttribute in class AbstractClassTableExpression

Parameters:

a_classAttribute -

getJoinCondition

public JoinClause getJoinCondition(String a_alias,
                                   boolean a_fullPersistable,
                                   Class a_tableClass)
                            throws WTException

Supported API: false

Specified by:

getJoinCondition in interface TableExpression

Specified by:

getJoinCondition in class AbstractClassTableExpression

Parameters:

a_alias -

a_fullPersistable -

a_tableClass -

Returns:

JoinClause

Throws:

WTException

getJoinCondition

public String getJoinCondition(String a_alias,
                               Class a_tableClass,
                               boolean a_fullPersistable)
                        throws WTException

Supported API: false

Specified by:

getJoinCondition in interface TableExpression

Specified by:

getJoinCondition in class AbstractClassTableExpression

Parameters:

a_alias -

a_tableClass -

a_fullPersistable -

Returns:

String

Throws:

WTException

setAppendedJoinConditions

public void setAppendedJoinConditions(WhereClause a_whereClause,
                                      WhereExpression a_whereExpression)

Supported API: false

Specified by:

setAppendedJoinConditions in class AbstractClassTableExpression

Parameters:

a_whereClause -

a_whereExpression -

getAppendedJoinConditionsBindParamter

public Object getAppendedJoinConditionsBindParamter(String a_alias,
                                                    Vector a_singleBindParameter,
                                                    int a_outerNonJoinFromIndex,
                                                    boolean a_fullPersistable)
                                             throws QueryException

Supported API: false

Specified by:

getAppendedJoinConditionsBindParamter in class AbstractClassTableExpression

Parameters:

a_alias -

a_singleBindParameter -

a_outerNonJoinFromIndex -

a_fullPersistable -

Returns:

Object

Throws:

QueryException

getReferencedViewClassCount

public int getReferencedViewClassCount()

Supported API: false

Specified by:

getReferencedViewClassCount in class AbstractClassTableExpression

Returns:

int

setAppendedJoinConditions

public Object setAppendedJoinConditions(WhereClause a_whereClause,
                                        WhereExpression a_whereExpression,
                                        String a_alias,
                                        Vector a_singleBindParameter,
                                        int a_outerNonJoinFromIndex,
                                        boolean a_fullPersistable,
                                        boolean a_useBind)
                                 throws QueryException

Supported API: false

Specified by:

setAppendedJoinConditions in class AbstractClassTableExpression

Parameters:

a_whereClause -

a_whereExpression -

a_alias -

a_singleBindParameter -

a_outerNonJoinFromIndex -

a_fullPersistable -

a_useBind -

Returns:

Object

Throws:

QueryException

isUseViewTableAlias

public boolean isUseViewTableAlias()

Supported API: false

Specified by:

isUseViewTableAlias in interface TableExpression

Specified by:

isUseViewTableAlias in class AbstractClassTableExpression

Returns:

boolean

getDMLGenerator

private DMLGenerator getDMLGenerator()