org.rhq.helpers.perftest.support.jpa
Class ConfigurableDependencyInclusionResolver

java.lang.Object
  org.rhq.helpers.perftest.support.jpa.ConfigurableDependencyInclusionResolver

All Implemented Interfaces:

DependencyInclusionResolver

public class ConfigurableDependencyInclusionResolver
extends Object
implements DependencyInclusionResolver

An implementation of DependencyInclusionResolver interface that can be configured to include/exclude relationships by being provided a dependency graph in the form of ExportConfiguration instance.

Author:

Lukas Krejci

Constructor Summary

ConfigurableDependencyInclusionResolver(ExportConfiguration edg)

Method Summary

boolean

isValid(Edge edge) An edge (relationship) is considered valid based on the dependency graph provided in this instance's constructor.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConfigurableDependencyInclusionResolver

public ConfigurableDependencyInclusionResolver(ExportConfiguration edg)

Parameters:

edg - the dependency graph of allowed entities and relations among them.

Method Detail

isValid

public boolean isValid(Edge edge)

An edge (relationship) is considered valid based on the dependency graph provided in this instance's constructor. These are the naming conventions used in the rules below:

• Source Entity is an Entity in the configuration that corresponds to the "from node" Edge.getFrom() of the provided edge of the full dependency graph.
• Target Entity is the Entity corresponding to the Edge.getTo().
• Source relationship is the Relationship defined on the source entity that corresponds to the Edge.getFromField() (i.e. has the same name).
• Target relationship is the Relationship on the target entity corresponding to the Edge.getToField().

An edge is considered valid if at least one of the following conditions is true:

• The configuration specifies to include all explicit dependent entities and the edge has a non-null from field (i.e. the dependency is explicitly defined).
• The source entity specifies to include all fields (Entity.isIncludeAllFields()).
• The target entity specifies to include all fields (Entity.isIncludeAllFields()).
• The source relationship is defined.
• The target relationship is defined.

Specified by:

isValid in interface DependencyInclusionResolver

Parameters:

edge - the edge from the full entity dependency graph to check the validity of.

Returns:

true if valid (i.e. to be included in the output), false otherwise.