net.sf.farrago.query
Class FarragoUserDefinedRoutineLookup

java.lang.Object
  net.sf.farrago.query.FarragoUserDefinedRoutineLookup

All Implemented Interfaces:

SqlOperatorTable

public class FarragoUserDefinedRoutineLookup
extends Object
implements SqlOperatorTable

FarragoUserDefinedRoutineLookup implements the SqlOperatorTable interface by looking up user-defined functions from the repository.

Version:

$Id: //open/dev/farrago/src/net/sf/farrago/query/FarragoUserDefinedRoutineLookup.java#20 $

Author:

John V. Sichi

Field Summary

private FarragoPreparingStmt	preparingStmt
private FarragoSessionStmtValidator	stmtValidator
private FemRoutine	validatingRoutine

Constructor Summary

FarragoUserDefinedRoutineLookup(FarragoSessionStmtValidator stmtValidator, FarragoPreparingStmt preparingStmt, FemRoutine validatingRoutine)

Method Summary

FarragoUserDefinedRoutine	convertRoutine(FemRoutine femRoutine) Converts the validated catalog definition of a routine into SqlFunction representation.
List<SqlOperator>	getOperatorList() Retrieves a list of all functions and operators in this table.
List<SqlOperator>	lookupOperatorOverloads(SqlIdentifier opName, SqlFunctionCategory category, SqlSyntax syntax) Retrieves a list of operators with a given name and syntax.

Methods inherited from class java.lang.Object

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

Field Detail

stmtValidator

private final FarragoSessionStmtValidator stmtValidator

preparingStmt

private final FarragoPreparingStmt preparingStmt

validatingRoutine

private final FemRoutine validatingRoutine

Constructor Detail

FarragoUserDefinedRoutineLookup

public FarragoUserDefinedRoutineLookup(FarragoSessionStmtValidator stmtValidator,
                                       FarragoPreparingStmt preparingStmt,
                                       FemRoutine validatingRoutine)

Method Detail

lookupOperatorOverloads

public List<SqlOperator> lookupOperatorOverloads(SqlIdentifier opName,
                                                 SqlFunctionCategory category,
                                                 SqlSyntax syntax)

Description copied from interface: SqlOperatorTable

Retrieves a list of operators with a given name and syntax. For example, by passing SqlSyntax.Function, the returned list is narrowed to only matching SqlFunction objects.

Specified by:

lookupOperatorOverloads in interface SqlOperatorTable

Parameters:

opName - name of operator

category - function category to look up, or null for any matching operator

syntax - syntax type of operator

Returns:

mutable list of SqlOperator objects (or immutable empty list if no matches)

getOperatorList

public List<SqlOperator> getOperatorList()

Description copied from interface: SqlOperatorTable

Retrieves a list of all functions and operators in this table. Used for automated testing.

Specified by:

getOperatorList in interface SqlOperatorTable

Returns:

list of SqlOperator objects

convertRoutine

public FarragoUserDefinedRoutine convertRoutine(FemRoutine femRoutine)

Converts the validated catalog definition of a routine into SqlFunction representation.

Parameters:

femRoutine - catalog definition

Returns:

converted function