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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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// license-header java merge-point
//
// Attention: generated code (by MetafacadeLogic.vsl) - do not modify!
//
package org.andromda.metafacades.emf.uml22;

import java.util.Collection;
import org.andromda.core.common.Introspector;
import org.andromda.core.metafacade.MetafacadeBase;
import org.andromda.core.metafacade.ModelValidationMessage;
import org.andromda.metafacades.uml.ModelElementFacade;
import org.andromda.metafacades.uml.TemplateArgumentFacade;
import org.apache.log4j.Logger;
import org.eclipse.uml2.uml.TemplateParameterSubstitution;

/**
 * 
 * Represents the model object 'Template Parameter Substitution'.
 * Relates the actual parameter(s) to a formal template parameter
 * as part of a template binding.
 * 
 * MetafacadeLogic for TemplateArgumentFacade
 *
 * @see TemplateArgumentFacade
 */
public abstract class TemplateArgumentFacadeLogic
    extends MetafacadeBase
    implements TemplateArgumentFacade
{
    /**
     * The underlying UML object
     * @see TemplateParameterSubstitution
     */
    protected TemplateParameterSubstitution metaObject;

    /** Create Metafacade implementation instance using the MetafacadeFactory from the context
     * @param metaObjectIn
     * @param context
     */
    protected TemplateArgumentFacadeLogic(TemplateParameterSubstitution metaObjectIn, String context)
    {
        super(metaObjectIn, getContext(context));
        this.metaObject = metaObjectIn;
    }

    /**
     * The logger instance.
     */
    private static final Logger logger = Logger.getLogger(TemplateArgumentFacadeLogic.class);

    /**
     * Gets the context for this metafacade logic instance.
     * @param context String. Set to TemplateArgumentFacade if null
     * @return context String
     */
    private static String getContext(String context)
    {
        if (context == null)
        {
            context = "org.andromda.metafacades.uml.TemplateArgumentFacade";
        }
        return context;
    }

    /** Reset context only for non-root metafacades
     * @param context
     */
    @Override
    public void resetMetafacadeContext(String context)
    {
        if (!this.contextRoot) // reset context only for non-root metafacades
        {
            context = getContext(context);  // to have same value as in original constructor call
            setMetafacadeContext (context);
        }
    }

    /**
     * @return boolean true always
     * @see TemplateArgumentFacade
     */
    public boolean isTemplateArgumentFacadeMetaType()
    {
        return true;
    }

    // ------------- associations ------------------

    /**
     * 
     * @return (ModelElementFacade)handleGetElement()
     */
    public final ModelElementFacade getElement()
    {
        ModelElementFacade getElement2r = null;
        // templateArgumentFacade has no pre constraints
        Object result = handleGetElement();
        MetafacadeBase shieldedResult = this.shieldedElement(result);
        try
        {
            getElement2r = (ModelElementFacade)shieldedResult;
        }
        catch (ClassCastException ex)
        {
            // Bad things happen if the metafacade type mapping in metafacades.xml is wrong - Warn
            TemplateArgumentFacadeLogic.logger.warn("incorrect metafacade cast for TemplateArgumentFacadeLogic.getElement ModelElementFacade " + result + ": " + shieldedResult);
        }
        // templateArgumentFacade has no post constraints
        return getElement2r;
    }

    /**
     * UML Specific type is transformed by shieldedElements to AndroMDA Metafacade type
     * @return Object
     */
    protected abstract Object handleGetElement();

    /**
     * @param validationMessages Collection
     * @see MetafacadeBase#validateInvariants(Collection validationMessages)
     */
    @Override
    public void validateInvariants(Collection validationMessages)
    {
    }

    /**
     * The property that stores the name of the metafacade.
     */
    private static final String NAME_PROPERTY = "name";
    private static final String FQNAME_PROPERTY = "fullyQualifiedName";

    /**
     * @see Object#toString()
     */
    @Override
    public String toString()
    {
        final StringBuilder toString = new StringBuilder(this.getClass().getName());
        toString.append("[");
        try
        {
            toString.append(Introspector.instance().getProperty(this, FQNAME_PROPERTY));
        }
        catch (final Throwable tryAgain)
        {
            try
            {
                toString.append(Introspector.instance().getProperty(this, NAME_PROPERTY));
            }
            catch (final Throwable ignore)
            {
                // - just ignore when the metafacade doesn't have a name or fullyQualifiedName property
            }
        }
        toString.append("]");
        return toString.toString();
    }
}