Package org.apache.cassandra.cql3.functions

Class UDFContextImpl

java.lang.Object

org.apache.cassandra.cql3.functions.UDFContextImpl

All Implemented Interfaces:

UDFContext

public final class UDFContextImpl
extends java.lang.Object
implements UDFContext

Package private implementation of UDFContext

Method Summary

Modifier and Type	Method	Description
TupleValue	newArgTupleValue(int argNum)	Creates a new TupleValue instance for an argument.
TupleValue	newArgTupleValue(java.lang.String argName)	Creates a new TupleValue instance for an argument.
UDTValue	newArgUDTValue(int argNum)	Creates a new UDTValue instance for an argument.
UDTValue	newArgUDTValue(java.lang.String argName)	Creates a new UDTValue instance for an argument.
TupleValue	newReturnTupleValue()	Creates a new TupleValue instance for the return value.
UDTValue	newReturnUDTValue()	Creates a new UDTValue instance for the return value.
TupleValue	newTupleValue(java.lang.String cqlDefinition)	Creates a new TupleValue instance for the CQL type definition.
UDTValue	newUDTValue(java.lang.String udtName)	Creates a new UDTValue instance by name in the same keyspace.

Methods inherited from class java.lang.Object

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

Method Detail

newArgUDTValue

public UDTValue newArgUDTValue(java.lang.String argName)

Description copied from interface: UDFContext

Creates a new UDTValue instance for an argument.

Specified by:

newArgUDTValue in interface UDFContext

Parameters:

argName - name of the argument as declared in the CREATE FUNCTION statement

Returns:

a new UDTValue instance

newArgUDTValue

public UDTValue newArgUDTValue(int argNum)

Description copied from interface: UDFContext

Creates a new UDTValue instance for an argument.

Specified by:

newArgUDTValue in interface UDFContext

Parameters:

argNum - zero-based index of the argument as declared in the CREATE FUNCTION statement

Returns:

a new UDTValue instance

newReturnUDTValue

public UDTValue newReturnUDTValue()

Description copied from interface: UDFContext

Creates a new UDTValue instance for the return value.

Specified by:

newReturnUDTValue in interface UDFContext

Returns:

a new UDTValue instance

newUDTValue

public UDTValue newUDTValue(java.lang.String udtName)

Description copied from interface: UDFContext

Creates a new UDTValue instance by name in the same keyspace.

Specified by:

newUDTValue in interface UDFContext

Parameters:

udtName - name of the user defined type in the same keyspace as the function

Returns:

a new UDTValue instance

newArgTupleValue

public TupleValue newArgTupleValue(java.lang.String argName)

Description copied from interface: UDFContext

Creates a new TupleValue instance for an argument.

Specified by:

newArgTupleValue in interface UDFContext

Parameters:

argName - name of the argument as declared in the CREATE FUNCTION statement

Returns:

a new TupleValue instance

newArgTupleValue

public TupleValue newArgTupleValue(int argNum)

Description copied from interface: UDFContext

Creates a new TupleValue instance for an argument.

Specified by:

newArgTupleValue in interface UDFContext

Parameters:

argNum - zero-based index of the argument as declared in the CREATE FUNCTION statement

Returns:

a new TupleValue instance

newReturnTupleValue

public TupleValue newReturnTupleValue()

Description copied from interface: UDFContext

Creates a new TupleValue instance for the return value.

Specified by:

newReturnTupleValue in interface UDFContext

Returns:

a new TupleValue instance

newTupleValue

public TupleValue newTupleValue(java.lang.String cqlDefinition)

Description copied from interface: UDFContext

Creates a new TupleValue instance for the CQL type definition.

Specified by:

newTupleValue in interface UDFContext

Parameters:

cqlDefinition - CQL tuple type definition like tuple<int, text, bigint>

Returns:

a new TupleValue instance