org.nhindirect.policy

Interface OperationPolicyExpression

All Superinterfaces:

PolicyExpression, java.io.Serializable

All Known Implementing Classes:

OperationPolicyExpressionFactory.OperationPolicyExpressionImpl

public interface OperationPolicyExpression
extends PolicyExpression

Operation expression type object. Operations are a combination of a PolicyOperator and one or more parameters. Operator parameters are themselves expressions allowing parameters to be either literals, references, or the result of another operation.
Instances of this interface are created using the OperationPolicyExpressionFactory class.

Since:

1.0

Author:

Greg Meyer

Method Summary

Modifier and Type	Method and Description
java.util.Vector<PolicyExpression>	getOperands() Gets the parameters that will be used by the operator when the expression is evaluated.
PolicyOperator	getPolicyOperator() Gets the operator that will be executed when the expression is evaluated.

Methods inherited from interface org.nhindirect.policy.PolicyExpression

getExpressionType

Method Detail

getPolicyOperator

PolicyOperator getPolicyOperator()

Gets the operator that will be executed when the expression is evaluated.

Returns:

The operator that will be executed when the expression is evaluated.

getOperands

java.util.Vector<PolicyExpression> getOperands()

Gets the parameters that will be used by the operator when the expression is evaluated. For binary operations, the order of the parameters may be important (ex: the PolicyOperator.GREATER operator).

Returns:

The parameters that will be used by the operator when the expression is evaluated.