/**
 * Copyright (c) 2009-2010 Thales Corporate Services S.A.S.
 * 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:
 * Thales Corporate Services S.A.S - initial API and implementation
 */
package org.eclipse.egf.model.pattern.impl;

import java.util.Collection;

import org.eclipse.egf.model.pattern.PatternElement;
import org.eclipse.egf.model.pattern.PatternPackage;
import org.eclipse.egf.model.pattern.TypePatternList;
import org.eclipse.egf.model.types.impl.TypeImpl;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.util.EObjectResolvingEList;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Type Pattern List</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.egf.model.pattern.impl.TypePatternListImpl#getElements <em>Elements</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class TypePatternListImpl extends TypeImpl implements TypePatternList {

    /**
     * A set of bit flags representing the values of boolean attributes and whether unsettable features have been set.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     * @ordered
     */
    protected int flags = 0;

    /**
     * The cached value of the '{@link #getElements() <em>Elements</em>}' reference list.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getElements()
     * @generated
     * @ordered
     */
    protected EList<PatternElement> elements;

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected TypePatternListImpl() {
        super();
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    protected EClass eStaticClass() {
        return PatternPackage.Literals.TYPE_PATTERN_LIST;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * 
     * @generated NOT
     */
    @Override
    public Object getValue() {
        return getElements() != null && getElements().size() != 0 ? this : null;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public EList<PatternElement> getElements() {
        if (elements == null) {
            elements = new EObjectResolvingEList<PatternElement>(PatternElement.class, this, PatternPackage.TYPE_PATTERN_LIST__ELEMENTS);
        }
        return elements;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    @SuppressWarnings("unchecked")
    public <T extends Object> Class<T> getType() {
        return (Class<T>) org.eclipse.egf.model.pattern.TypePatternList.class;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Object eGet(int featureID, boolean resolve, boolean coreType) {
        switch (featureID) {
        case PatternPackage.TYPE_PATTERN_LIST__ELEMENTS:
            return getElements();
        }
        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 PatternPackage.TYPE_PATTERN_LIST__ELEMENTS:
            getElements().clear();
            getElements().addAll((Collection<? extends PatternElement>) newValue);
            return;
        }
        super.eSet(featureID, newValue);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eUnset(int featureID) {
        switch (featureID) {
        case PatternPackage.TYPE_PATTERN_LIST__ELEMENTS:
            getElements().clear();
            return;
        }
        super.eUnset(featureID);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public boolean eIsSet(int featureID) {
        switch (featureID) {
        case PatternPackage.TYPE_PATTERN_LIST__ELEMENTS:
            return elements != null && !elements.isEmpty();
        }
        return super.eIsSet(featureID);
    }

} // TypePatternListImpl