org.mule.runtime.module.artifact.classloader

Class MuleClassLoaderLookupPolicy

java.lang.Object

org.mule.runtime.module.artifact.classloader.MuleClassLoaderLookupPolicy

All Implemented Interfaces:

ClassLoaderLookupPolicy

public class MuleClassLoaderLookupPolicy
extends Object
implements ClassLoaderLookupPolicy

Defines which resources in a class loader should be looked up using parent-first, parent-only or child-first strategies.

Default lookup strategy is child first. To use parent-first, the corresponding package must be added as an overridden. To use parent-only, the corresponding package must be added as blocked.

Constructor Summary

Constructors

Constructor and Description
MuleClassLoaderLookupPolicy(Map<String,ClassLoaderLookupStrategy> lookupStrategies, Set<String> rootSystemPackages) Creates a new lookup policy based on the provided configuration.

Method Summary

Modifier and Type	Method and Description
ClassLoaderLookupPolicy	extend(Map<String,ClassLoaderLookupStrategy> lookupStrategies) Creates a new instance extending the original poclicy configuration
ClassLoaderLookupStrategy	getLookupStrategy(String className) Returns the classloader lookup strategy to use for a given class.

Methods inherited from class java.lang.Object

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

Constructor Detail

MuleClassLoaderLookupPolicy

public MuleClassLoaderLookupPolicy(Map<String,ClassLoaderLookupStrategy> lookupStrategies,
                                   Set<String> rootSystemPackages)

Creates a new lookup policy based on the provided configuration.

Parameters:

lookupStrategies - lookup strategy to use with specific packages. Non null.

rootSystemPackages - packages that must use ClassLoaderLookupStrategy.PARENT_ONLY. Any inner package extending from a system package root will use the same approach.

Method Detail

getLookupStrategy

public ClassLoaderLookupStrategy getLookupStrategy(String className)

Description copied from interface: ClassLoaderLookupPolicy

Returns the classloader lookup strategy to use for a given class.

Specified by:

getLookupStrategy in interface ClassLoaderLookupPolicy

Parameters:

className - class to lookup.

Returns:

the configured lookup strategy for the class's package or ClassLoaderLookupStrategy.CHILD_FIRST if not explicit configuration was defined for the package.

extend

public ClassLoaderLookupPolicy extend(Map<String,ClassLoaderLookupStrategy> lookupStrategies)

Description copied from interface: ClassLoaderLookupPolicy

Creates a new instance extending the original poclicy configuration

Specified by:

extend in interface ClassLoaderLookupPolicy

Parameters:

lookupStrategies - lookup strategies to use with specific packages. Non null.

Returns:

a new policy containing the lookup strategies from the original policy and the lookup strategies passed on the parameter.