UnionTypeImpl.java

/**
 * Copyright (c) 2011 NumberFour AG
 * 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     NumberFour AG - initial API and Implementation (Alex Panchenko)
 */
package org.eclipse.dltk.javascript.typeinfo.model.impl;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.eclipse.dltk.javascript.typeinfo.IRType;
import org.eclipse.dltk.javascript.typeinfo.ITypeSystem;
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.UnionType;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Union Type</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.dltk.javascript.typeinfo.model.impl.UnionTypeImpl#getTargets <em>Targets</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class UnionTypeImpl extends MinimalEObjectImpl implements UnionType {
    /**
     * The cached value of the '{@link #getTargets() <em>Targets</em>}' containment reference list.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getTargets()
     * @generated
     * @ordered
     */
    protected EList<JSType> targets;

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

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

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public EList<JSType> getTargets() {
        if (targets == null) {
            targets = new EObjectContainmentEList<JSType>(JSType.class, this, TypeInfoModelPackage.UNION_TYPE__TARGETS);
        }
        return targets;
    }

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated NOT
	 */
	public String getName() {
		if (targets != null && !targets.isEmpty()) {
			final StringBuilder sb = new StringBuilder();
			for (JSType type : targets) {
				if (sb.length() != 0) {
					sb.append('|');
				}
				sb.append(type.getName());
			}
			return sb.toString();
		} else {
			return "";
		}
	}

    /**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated NOT
	 */
    public IRType toRType(ITypeSystem typeSystem) {
		if (targets == null || targets.isEmpty()) {
			return RTypes.none();
		}
		final List<IRType> targets = new ArrayList<IRType>(this.targets.size());
		for (JSType type : this.targets) {
			targets.add(RTypes.create(typeSystem, type));
		}
		return RTypes.union(targets);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
        switch (featureID) {
            case TypeInfoModelPackage.UNION_TYPE__TARGETS:
                return ((InternalEList<?>)getTargets()).basicRemove(otherEnd, msgs);
        }
        return super.eInverseRemove(otherEnd, featureID, msgs);
    }

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

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @SuppressWarnings("unchecked")
    @Override
    public void eSet(int featureID, Object newValue) {
        switch (featureID) {
            case TypeInfoModelPackage.UNION_TYPE__TARGETS:
                getTargets().clear();
                getTargets().addAll((Collection<? extends JSType>)newValue);
                return;
        }
        super.eSet(featureID, newValue);
    }

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

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

} //UnionTypeImpl