Package edu.tufts.hrilab.action.db

Class OperatorDatabase

java.lang.Object

edu.tufts.hrilab.action.db.OperatorDatabase

public class OperatorDatabase
extends Object

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	OperatorDatabase()	Protected so that only the Database can instantiate.

Method Summary

Modifier and Type	Method	Description
protected void	addOperator(Method m)
protected void	addOperators(Class[] operatorClasses)
final OperatorDBEntry	getOperator(String type)	Lookup operator by type.
final OperatorDBEntry	getOperator(String type, List<Class<?>> inputRoleTypes)	Lookup operator by type and roles.
final OperatorDBEntry	getOperatorSilent(String type, List<Class<?>> roles)	Lookup operator by type and roles.

Methods inherited from class java.lang.Object

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

Constructor Details

OperatorDatabase

protected OperatorDatabase()

Protected so that only the Database can instantiate.

Method Details

addOperators

protected void addOperators(Class[] operatorClasses)

addOperator

protected void addOperator(Method m)

getOperator

public final OperatorDBEntry getOperator(String type)

Lookup operator by type. Returns last added operator if more than one operator with type.

Parameters:

type - the type of the operator to look up

Returns:

the requested operator (last added), if found, null otherwise

getOperator

public final OperatorDBEntry getOperator(String type,
 List<Class<?>> inputRoleTypes)

Lookup operator by type and roles.

Parameters:

type - the type of the operator to look up

Returns:

the requested operator, if found, null otherwise

getOperatorSilent

public final OperatorDBEntry getOperatorSilent(String type,
 List<Class<?>> roles)

Lookup operator by type and roles. Do not print error if lookup fails.

Parameters:

type - the type of the operator to look up

Returns:

the requested operator, if found, null otherwise