wt.query
Class ListClause

java.lang.Object
  wt.query.ListClause

All Implemented Interfaces:

Cloneable, Externalizable, Serializable, SQLClause

Direct Known Subclasses:

GroupByClause, OrderByClause

public abstract class ListClause

extends Object

implements SQLClause, Externalizable

Supported API: false

Extendable: false

See Also:

Serialized Form

Field Summary

private static String	CLASSNAME
static long	EXTERNALIZATION_VERSION_UID
private Vector	items
protected static long	OLD_FORMAT_VERSION_UID
private static String	RESOURCE
(package private) static long	serialVersionUID

Fields inherited from interface wt.query.SQLClause

COUNT

Constructor Summary

ListClause()

Method Summary

protected Object	clone(ListClause a_clone)
protected int[]	getClassAttributeFromIndicies(int a_fromCount, FromClause a_fromClause, int[] a_fromIndicies)
String	getClause(FromClause a_fromClause, boolean a_useBind, Vector a_tableInfos, Vector a_aliases) String representation of the clause.
protected abstract ColumnExpression	getColumnExpression(int a_index) Supported API: false
int	getCount() Gets the value of the attribute: count; Number of items in the clause.
protected abstract String	getExpression(int a_index, Vector a_tableInfos, Vector a_aliases) Supported API: false
protected abstract int[]	getFromIndicies(int a_index) Return the From clause indicies for the specified expression.
protected Vector	getItems() Gets the value of the attribute: items.
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(ListClause thisObject, ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source.
private void	setClassViewColumn(int a_index, FromClause fromClause)
protected void	setFromAlias(ColumnExpression a_column, FromClause a_fromClause, int[] a_fromIndicies)
protected void	setItems(Vector a_Items) Sets the value of the attribute: items.
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, toString, wait, wait, wait

Field Detail

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

CLASSNAME

private static final String CLASSNAME

items

private Vector items

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

Constructor Detail

ListClause

public ListClause()

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(ListClause 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

getItems

protected Vector getItems()

Gets the value of the attribute: items.

Supported API: false

Returns:

Vector

setItems

protected void setItems(Vector a_Items)

Sets the value of the attribute: items.

Supported API: false

Parameters:

a_Items -

getFromIndicies

protected abstract int[] getFromIndicies(int a_index)

Return the From clause indicies for the specified expression.

Supported API: false

Parameters:

a_index -

Returns:

int[]

getColumnExpression

protected abstract ColumnExpression getColumnExpression(int a_index)

Supported API: false

Parameters:

a_index -

Returns:

ColumnExpression

getExpression

protected abstract String getExpression(int a_index,
                                        Vector a_tableInfos,
                                        Vector a_aliases)
                                 throws QueryException

Supported API: false

Parameters:

a_index -

a_tableInfos -

a_aliases -

Returns:

String

Throws:

QueryException

getClause

public String getClause(FromClause a_fromClause,
                        boolean a_useBind,
                        Vector a_tableInfos,
                        Vector a_aliases)
                 throws QueryException

String representation of the clause.

Supported API: false

Specified by:

getClause in interface SQLClause

Parameters:

a_fromClause -

a_useBind - Indicates if bind parameters should be used.

a_tableInfos -

a_aliases -

Returns:

String

Throws:

QueryException

getCount

public int getCount()

Gets the value of the attribute: count; Number of items in the clause.

Supported API: false

Specified by:

getCount in interface SQLClause

Returns:

int

clone

protected Object clone(ListClause a_clone)

setFromAlias

protected void setFromAlias(ColumnExpression a_column,
                            FromClause a_fromClause,
                            int[] a_fromIndicies)
                     throws QueryException

Throws:

QueryException

setClassViewColumn

private void setClassViewColumn(int a_index,
                                FromClause fromClause)
                         throws QueryException

Throws:

QueryException

getClassAttributeFromIndicies

protected int[] getClassAttributeFromIndicies(int a_fromCount,
                                              FromClause a_fromClause,
                                              int[] a_fromIndicies)
                                       throws QueryException

Throws:

QueryException