org.eclipse.equinox.p2.metadata.expression

Interface IMemberProvider

All Known Implementing Classes:

ArtifactKey, InstallableUnit, InstallableUnitFragment, InstallableUnitPatch, MemberProvider, ProvidedCapability, RequiredCapability, RequiredPropertiesMatch, Requirement, ResolvedInstallableUnit

public interface IMemberProvider

This interface may be implemented by any class that wants to provide easy (high performance) access to its member to the expression evaluator. It also gives the implementing class a way to hide or rename the members otherwise accessible using getters.

Since:

2.0

Method Summary

Modifier and Type	Method and Description
java.lang.Object	getMember(java.lang.String memberName) Returns the value for the specified member.

Method Detail

getMember

java.lang.Object getMember(java.lang.String memberName)

Returns the value for the specified member. Implementers can rely on that the memberName is a string that has been internalized using String.intern().

Parameters:

memberName - The name of the member

Returns:

The member value.

Throws:

java.lang.IllegalArgumentException - if the instance has no member with the given name.