plugins/org.eclipse.dltk.javascript.core/src/org/eclipse/dltk/javascript/typeinfo/model/impl/TypeVariableReferenceImpl.java

/**
 * Copyright (c) 2011 NumberFour AG
 * 
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 * 
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors:
 *     NumberFour AG - initial API and Implementation (Alex Panchenko)
 */
package org.eclipse.dltk.javascript.typeinfo.model.impl;

import org.eclipse.dltk.javascript.typeinfo.IRType;
import org.eclipse.dltk.javascript.typeinfo.ITypeSystem;
import org.eclipse.dltk.javascript.typeinfo.RTypeVariable;
import org.eclipse.dltk.javascript.typeinfo.RTypes;
import org.eclipse.dltk.javascript.typeinfo.model.JSType;
import org.eclipse.dltk.javascript.typeinfo.model.TypeInfoModelPackage;
import org.eclipse.dltk.javascript.typeinfo.model.TypeVariable;
import org.eclipse.dltk.javascript.typeinfo.model.TypeVariableReference;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Type Variable Reference</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.dltk.javascript.typeinfo.model.impl.TypeVariableReferenceImpl#getVariable <em>Variable</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class TypeVariableReferenceImpl extends MinimalEObjectImpl implements TypeVariableReference {
    /**
     * The cached value of the '{@link #getVariable() <em>Variable</em>}' reference.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getVariable()
     * @generated
     * @ordered
     */
    protected TypeVariable variable;

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected TypeVariableReferenceImpl() {
        super();
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    protected EClass eStaticClass() {
        return TypeInfoModelPackage.Literals.TYPE_VARIABLE_REFERENCE;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public TypeVariable getVariable() {
        if (variable != null && variable.eIsProxy()) {
            InternalEObject oldVariable = (InternalEObject)variable;
            variable = (TypeVariable)eResolveProxy(oldVariable);
            if (variable != oldVariable) {
                if (eNotificationRequired())
                    eNotify(new ENotificationImpl(this, Notification.RESOLVE, TypeInfoModelPackage.TYPE_VARIABLE_REFERENCE__VARIABLE, oldVariable, variable));
            }
        }
        return variable;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public TypeVariable basicGetVariable() {
        return variable;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setVariable(TypeVariable newVariable) {
        TypeVariable oldVariable = variable;
        variable = newVariable;
        if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET, TypeInfoModelPackage.TYPE_VARIABLE_REFERENCE__VARIABLE, oldVariable, variable));
    }

    /**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated NOT
	 */
    public String getName() {
		return variable != null ? variable.getName() : "";
    }

    /**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated NOT
	 */
    public IRType toRType(ITypeSystem typeSystem) {
		if (variable != null) {
			if (typeSystem != null) {
				final IRType value = typeSystem.getTypeVariable(variable);
				if (value != null) {
					return value;
				}
			}
			final JSType bound = variable.getBound();
			return bound != null ? RTypes.create(typeSystem, bound)
					: new RTypeVariable(variable);
		}
		return RTypes.none();
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Object eGet(int featureID, boolean resolve, boolean coreType) {
        switch (featureID) {
            case TypeInfoModelPackage.TYPE_VARIABLE_REFERENCE__VARIABLE:
                if (resolve) return getVariable();
                return basicGetVariable();
        }
        return super.eGet(featureID, resolve, coreType);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eSet(int featureID, Object newValue) {
        switch (featureID) {
            case TypeInfoModelPackage.TYPE_VARIABLE_REFERENCE__VARIABLE:
                setVariable((TypeVariable)newValue);
                return;
        }
        super.eSet(featureID, newValue);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eUnset(int featureID) {
        switch (featureID) {
            case TypeInfoModelPackage.TYPE_VARIABLE_REFERENCE__VARIABLE:
                setVariable((TypeVariable)null);
                return;
        }
        super.eUnset(featureID);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public boolean eIsSet(int featureID) {
        switch (featureID) {
            case TypeInfoModelPackage.TYPE_VARIABLE_REFERENCE__VARIABLE:
                return variable != null;
        }
        return super.eIsSet(featureID);
    }

} //TypeVariableReferenceImpl