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The Eclipse EMF UML2 v2.X metafacades. This is the set of EMF UML2 2.X metafacades implementations. These implement the common UML metafacades for .uml model files.
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package org.andromda.metafacades.emf.uml22;

import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedHashSet;
import org.andromda.metafacades.uml.AttributeFacade;
import org.andromda.metafacades.uml.ClassifierFacade;
import org.andromda.metafacades.uml.EventFacade;
import org.andromda.metafacades.uml.FrontEndAction;
import org.andromda.metafacades.uml.FrontEndControllerOperation;
import org.andromda.metafacades.uml.FrontEndEvent;
import org.andromda.metafacades.uml.FrontEndForward;
import org.andromda.metafacades.uml.ModelElementFacade;
import org.andromda.metafacades.uml.OperationFacade;
import org.andromda.metafacades.uml.TransitionFacade;
import org.andromda.metafacades.uml.UMLProfile;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Predicate;
import org.apache.commons.lang.ObjectUtils;
import org.apache.commons.lang.StringUtils;

/**
 * MetafacadeLogic implementation for
 * org.andromda.metafacades.uml.FrontEndParameter.
 *
 * @see org.andromda.metafacades.uml.FrontEndParameter
 */
public class FrontEndParameterLogicImpl
    extends FrontEndParameterLogic
{
    private static final long serialVersionUID = -5932754222510758357L;

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

    /**
     * @see org.andromda.metafacades.uml.FrontEndParameter#isControllerOperationArgument()
     */
    @Override
    protected boolean handleIsControllerOperationArgument()
    {
        return this.getControllerOperation() != null;
    }

    /**
     * @see org.andromda.metafacades.uml.FrontEndParameter#getControllerOperation()
     */
    @Override
    protected OperationFacade handleGetControllerOperation()
    {
        return this.getOperation();
    }

    /**
     * @see org.andromda.metafacades.uml.FrontEndParameter#isContainedInFrontEndUseCase()
     */
    @Override
    protected boolean handleIsContainedInFrontEndUseCase()
    {
        return this.getEvent() instanceof FrontEndEvent || this.getOperation() instanceof FrontEndControllerOperation;
    }

    /**
     * @see org.andromda.metafacades.uml.FrontEndParameter#getView()
     */
    @Override
    protected Object handleGetView()
    {
        Object view = null;
        final EventFacade event = this.getEvent();
        if (event != null)
        {
            final TransitionFacade transition = event.getTransition();
            if (transition instanceof FrontEndAction)
            {
                final FrontEndAction action = (FrontEndAction)transition;
                view = action.getInput();
            }
            else if (transition instanceof FrontEndForward)
            {
                final FrontEndForward forward = (FrontEndForward)transition;
                if (forward.isEnteringView())
                {
                    view = forward.getTarget();
                }
            }
        }
        return view;
    }

    /**
     * @see org.andromda.metafacades.uml.FrontEndParameter#isActionParameter()
     */
    @Override
    protected boolean handleIsActionParameter()
    {
        final FrontEndAction action = this.getAction();
        return action != null && action.getParameters().contains(this.THIS());
    }

    /**
     * @see org.andromda.metafacades.uml.FrontEndParameter#getAction()
     */
    @Override
    protected FrontEndAction handleGetAction()
    {
        FrontEndAction actionObject = null;
        final EventFacade event = this.getEvent();
        if (event != null)
        {
            final TransitionFacade transition = event.getTransition();
            if (transition instanceof FrontEndAction)
            {
                actionObject = (FrontEndAction)transition;
            }
        }
        return actionObject;
    }

    /**
     * @see org.andromda.metafacades.uml.FrontEndParameter#isTable()
     */
    @Override
    protected boolean handleIsTable()
    {
        boolean isTable = false;
        final ClassifierFacade type = this.getType();
        if (type != null)
        {
            isTable = isMany() || type.isCollectionType() || type.isArrayType();
            if (isTable)
            {
                final String tableTaggedValue = ObjectUtils.toString(this.findTaggedValue(UMLProfile.TAGGEDVALUE_PRESENTATION_IS_TABLE));
                isTable =
                    StringUtils.isNotBlank(tableTaggedValue) ? Boolean.valueOf(tableTaggedValue.trim()) : true;
                if (!isTable)
                {
                    isTable = !this.getTableColumnNames().isEmpty();
                }
            }
        }
        return isTable && this.getOperation() == null;
    }

    /**
     * @see org.andromda.metafacades.uml.FrontEndParameter#getTableColumnNames()
     */
    @Override
    protected Collection handleGetTableColumnNames()
    {
        final Collection tableColumnNames = new LinkedHashSet();
        final Collection