oracle.pg.rdbms.pgql

Class ExprContext

java.lang.Object

oracle.pg.rdbms.pgql.ExprContext

public class ExprContext
extends java.lang.Object

This class serves as a simple data structure to hold various attributes used during PGQL Filter translation.

Field Summary

Fields

Modifier and Type	Field and Description
BindValueInfo	bvInfo
QueryContext	ctx
int	direction
java.util.Map<java.lang.String,oracle.pgql.lang.ir.QueryExpression>	exprAliasMap
TraversalStruct	parentTStruct
int	transMode
TraversalStruct	tStruct

Method Summary

Modifier and Type	Method and Description
static ExprContext	createExprContext(TraversalStruct tStruct, TraversalStruct parentTStruct, QueryContext ctx, BindValueInfo bvInfo, java.util.Map<java.lang.String,oracle.pgql.lang.ir.QueryExpression> exprAliasMap) Factory method

Methods inherited from class java.lang.Object

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

Field Detail

bvInfo

public BindValueInfo bvInfo

ctx

public final QueryContext ctx

direction

public int direction

exprAliasMap

public java.util.Map<java.lang.String,oracle.pgql.lang.ir.QueryExpression> exprAliasMap

parentTStruct

public TraversalStruct parentTStruct

transMode

public int transMode

tStruct

public TraversalStruct tStruct

Method Detail

createExprContext

public static ExprContext createExprContext(TraversalStruct tStruct,
                                            TraversalStruct parentTStruct,
                                            QueryContext ctx,
                                            BindValueInfo bvInfo,
                                            java.util.Map<java.lang.String,oracle.pgql.lang.ir.QueryExpression> exprAliasMap)

Factory method

Parameters:

tStruct - data structures

parentTStruct - parent data structures

ctx - query context

bvInfo - bind value information

exprAliasMap - alias to expression map

Returns:

an instance of ExprContext