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The UML 1.4 metafacades. This is the set of UML 1.4 metafacades implementations. These implement the common UML metafacades.
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package org.andromda.metafacades.uml14;

import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.Set;
import org.andromda.metafacades.uml.DependencyFacade;
import org.andromda.metafacades.uml.Destination;
import org.andromda.metafacades.uml.Entity;
import org.andromda.metafacades.uml.FilteredCollection;
import org.andromda.metafacades.uml.ModelElementFacade;
import org.andromda.metafacades.uml.Role;
import org.andromda.metafacades.uml.Service;
import org.andromda.metafacades.uml.ServiceOperation;
import org.apache.commons.collections.Closure;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Predicate;
import org.apache.commons.collections.Transformer;

/**
 * Metaclass facade implementation.
 * @author Bob Fields
 */
public class ServiceLogicImpl
        extends ServiceLogic
{
    // ---------------- constructor -------------------------------

    /**
     * @param metaObject
     * @param context
     */
    public ServiceLogicImpl(Object metaObject, String context)
    {
        super(metaObject, context);
    }

    /**
     * @see org.andromda.metafacades.uml.Service#getEntityReferences()
     */
    @Override
    public Collection handleGetEntityReferences()
    {
        return new FilteredCollection(this.getSourceDependencies())
        {
            private static final long serialVersionUID = 34L;
            public boolean evaluate(Object object)
            {
                ModelElementFacade targetElement = ((DependencyFacade)object).getTargetElement();
                return targetElement != null && Entity.class.isAssignableFrom(targetElement.getClass());
            }
        };
    }

    /**
     * @see org.andromda.metafacades.uml.Service#getServiceReferences()
     */
    @Override
    public Collection handleGetServiceReferences()
    {
        return new FilteredCollection(this.getSourceDependencies())
        {
            private static final long serialVersionUID = 34L;
            public boolean evaluate(Object object)
            {
                ModelElementFacade targetElement = ((DependencyFacade)object).getTargetElement();
                return targetElement != null && Service.class.isAssignableFrom(targetElement.getClass());
            }
        };
    }

    /**
     * @see org.andromda.metafacades.uml.Service#getAllServiceReferences()
     */
    @Override
    public Collection handleGetAllServiceReferences()
    {
        final Collection result = new LinkedHashSet();

        // get references of the service itself
        result.addAll(getServiceReferences());

        // get references of all super classes
        CollectionUtils.forAllDo(this.getAllGeneralizations(), new Closure()
        {
            public void execute(Object object)
            {
                if (object instanceof Service)
                {
                    final Service service = (Service)object;
                    result.addAll(service.getServiceReferences());
                }
            }
        });
        return result;
    }

    /**
     * @see org.andromda.metafacades.uml.Service#getRoles()
     */
    @Override
    protected Collection handleGetRoles()
    {
        final Collection roles = new ArrayList(this.getTargetDependencies());
        CollectionUtils.filter(roles, new Predicate()
        {
            public boolean evaluate(final Object object)
            {
                DependencyFacade dependency = (DependencyFacade)object;
                return dependency != null && dependency.getSourceElement() instanceof Role;
            }
        });
        CollectionUtils.transform(roles, new Transformer()
        {
            public Object transform(final Object object)
            {
                return ((DependencyFacade)object).getSourceElement();
            }
        });
        final Collection allRoles = new LinkedHashSet(roles);
        // add all roles which are generalizations of this one
        CollectionUtils.forAllDo(roles, new Closure()
        {
            public void execute(final Object object)
            {
                allRoles.addAll(((Role)object).getAllSpecializations());
            }
        });
        return allRoles;
    }

    /**
     * @see org.andromda.metafacades.uml.Service#getAllRoles()
     */
    @Override
    protected Collection handleGetAllRoles()
    {
        final Collection roles = new LinkedHashSet(this.getRoles());
        CollectionUtils.forAllDo(this.getOperations(), new Closure()
        {
            public void execute(Object object)
            {
                if (object instanceof ServiceOperation)
                {
                    roles.addAll(((ServiceOperation)object).getRoles());
                }
            }
        });
        return roles;
    }

    /**
     * @see org.andromda.metafacades.uml.Service#getMessagingDestinations()
     */
    @Override
    protected Collection handleGetMessagingDestinations()
    {
        final Set destinations = new LinkedHashSet();
        CollectionUtils.forAllDo(this.getOperations(), new Closure()
        {
            public void execute(Object object)
            {
                if (object instanceof ServiceOperation)
                {
                    final ServiceOperation operation = (ServiceOperation)object;
                    if (operation.isIncomingMessageOperation())
                    {
                        destinations.add(operation.getIncomingDestination());
                    }
                    else if (operation.isOutgoingMessageOperation())
                    {
                        destinations.add(operation.getOutgoingDestination());
                    }
                }
            }
        });
        return destinations;
    }

    /**
     * @see org.andromda.metafacades.uml.Service#getAllEntityReferences()
     */
    @Override
    protected Collection handleGetAllEntityReferences()
    {
        final Collection result = new LinkedHashSet();

        // get references of the service itself
        result.addAll(this.getEntityReferences());

        // get references of all super classes
        CollectionUtils.forAllDo(this.getAllGeneralizations(), new Closure()
        {
            public void execute(Object object)
            {
                if (object instanceof Service)
                {
                    final Service service = (Service)object;
                    result.addAll(service.getEntityReferences());
                }
            }
        });
        return result;
    }

    /**
     * @see org.andromda.metafacades.uml.Service#getAllMessagingDestinations()
     */
    @Override
    protected Collection handleGetAllMessagingDestinations()
    {
        final Collection result = new LinkedHashSet();

        // get references of the service itself
        result.addAll(this.getMessagingDestinations());

        // get references of all super classes
        CollectionUtils.forAllDo(this.getAllGeneralizations(), new Closure()
        {
            public void execute(Object object)
            {
                if (object instanceof Service)
                {
                    final Service service = (Service)object;
                    result.addAll(service.getMessagingDestinations());
                }
            }
        });
        return result;
    }
}