org.apache.derby.iapi.sql.compile

Class TagFilter

java.lang.Object

org.apache.derby.iapi.sql.compile.TagFilter

All Implemented Interfaces:

VisitableFilter

public class TagFilter
extends java.lang.Object
implements VisitableFilter

Filter which passes Visitables which have been marked with a given tag.

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.String	_tag
static java.lang.String	NEED_PRIVS_FOR_UPDATE_STMT Tag placed on QueryTreeNodes which need privilege checks for UPDATE statements
static java.lang.String	ORIG_UPDATE_COL Tag placed on the original ColumnReferences in an UPDATE, before unreferenced columns are added

Constructor Summary

Constructors

Constructor and Description
TagFilter(java.lang.String tag) Construct a filter for the given tag.

Method Summary

Modifier and Type	Method and Description
boolean	accept(Visitable visitable) Return true if the Visitable passes the filter.

Methods inherited from class java.lang.Object

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

Field Detail

NEED_PRIVS_FOR_UPDATE_STMT

public static final java.lang.String NEED_PRIVS_FOR_UPDATE_STMT

Tag placed on QueryTreeNodes which need privilege checks for UPDATE statements

See Also:

Constant Field Values

ORIG_UPDATE_COL

public static final java.lang.String ORIG_UPDATE_COL

Tag placed on the original ColumnReferences in an UPDATE, before unreferenced columns are added

See Also:

Constant Field Values

_tag

private java.lang.String _tag

Constructor Detail

TagFilter

public TagFilter(java.lang.String tag)

Construct a filter for the given tag.

Method Detail

accept

public boolean accept(Visitable visitable)
               throws StandardException

Description copied from interface: VisitableFilter

Return true if the Visitable passes the filter.

Specified by:

accept in interface VisitableFilter

Throws:

StandardException