package org.andromda.metafacades.uml14;
import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedHashSet;
import org.andromda.metafacades.uml.DependencyFacade;
import org.andromda.metafacades.uml.Destination;
import org.andromda.metafacades.uml.Role;
import org.andromda.metafacades.uml.Service;
import org.apache.commons.collections.Closure;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Predicate;
import org.apache.commons.collections.Transformer;
/**
* MetafacadeLogic implementation for org.andromda.metafacades.uml.ServiceOperation.
*
* @see org.andromda.metafacades.uml.ServiceOperation
*/
public class ServiceOperationLogicImpl
extends ServiceOperationLogic
{
// ---------------- constructor -------------------------------
public ServiceOperationLogicImpl(
Object metaObject,
String context)
{
super(metaObject, context);
}
/**
* @see org.andromda.metafacades.uml.ServiceOperation#getRoles()
*/
public java.util.Collection handleGetRoles()
{
final Collection roles = new LinkedHashSet();
if (this.getOwner() instanceof Service)
{
roles.addAll(((Service)this.getOwner()).getRoles());
}
final Collection operationRoles = new ArrayList(this.getTargetDependencies());
CollectionUtils.filter(
operationRoles,
new Predicate()
{
public boolean evaluate(Object object)
{
DependencyFacade dependency = (DependencyFacade)object;
return dependency != null && dependency.getSourceElement() != null &&
Role.class.isAssignableFrom(dependency.getSourceElement().getClass());
}
});
CollectionUtils.transform(
operationRoles,
new Transformer()
{
public Object transform(Object object)
{
return ((DependencyFacade)object).getSourceElement();
}
});
roles.addAll(operationRoles);
final Collection allRoles = new LinkedHashSet(roles);
// add all roles which are specializations of this one
CollectionUtils.forAllDo(
roles,
new Closure()
{
public void execute(Object object)
{
if (object instanceof Role)
{
allRoles.addAll(((Role)object).getAllSpecializations());
}
}
});
return allRoles;
}
/**
* @see org.andromda.metafacades.uml.ServiceOperation#getService()
*/
protected Object handleGetService()
{
Service owner = null;
if (this.getOwner() instanceof Service)
{
owner = (Service)this.getOwner();
}
return owner;
}
/**
* @see org.andromda.metafacades.uml.ServiceOperation#isMessageOperation()
*/
public boolean handleIsMessageOperation()
{
return this.isIncomingMessageOperation() || this.isOutgoingMessageOperation();
}
/**
* @see org.andromda.metafacades.uml.ServiceOperation#isIncomingMessageOperation()
*/
public boolean handleIsIncomingMessageOperation()
{
return this.getIncomingDestination() != null;
}
/**
* @see org.andromda.metafacades.uml.ServiceOperation#isOutgoingMessageOperation()
*/
public boolean handleIsOutgoingMessageOperation()
{
return this.getOutgoingDestination() != null;
}
/**
* @see org.andromda.metafacades.uml.ServiceOperation#getIncomingDestination()
*/
public Object handleGetIncomingDestination()
{
final Collection dependencies = this.getTargetDependencies();
final DependencyFacade dependency = (DependencyFacade)
CollectionUtils.find(dependencies,
new Predicate() {
public boolean evaluate(Object object)
{
return ((DependencyFacade)object).getSourceElement() instanceof Destination;
}});
return dependency != null ? dependency.getSourceElement() : null;
}
/**
* @see org.andromda.metafacades.uml.ServiceOperation#getOutgoingDestination()
*/
public Object handleGetOutgoingDestination()
{
final Collection dependencies = this.getSourceDependencies();
final DependencyFacade dependency = (DependencyFacade)
CollectionUtils.find(dependencies,
new Predicate() {
public boolean evaluate(Object object)
{
return ((DependencyFacade)object).getTargetElement() instanceof Destination;
}});
return dependency != null ? dependency.getTargetElement() : null;
}
}