/**
 * <copyright>
 * 
 * Copyright (c) 2012, 2012 SAP 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:
 *    Benjamin Schmeling - initial API, implementation and documentation for Bug 367483
 * 
 * </copyright>
 */
package org.eclipse.graphiti.mm.pictograms.impl;

import java.util.Collection;

import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.util.EObjectResolvingEList;
import org.eclipse.graphiti.mm.pictograms.CompositeConnection;
import org.eclipse.graphiti.mm.pictograms.CurvedConnection;
import org.eclipse.graphiti.mm.pictograms.PictogramsPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Composite Connection</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.graphiti.mm.pictograms.impl.CompositeConnectionImpl#getChildren <em>Children</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class CompositeConnectionImpl extends ConnectionImpl implements CompositeConnection {
	/**
	 * The cached value of the '{@link #getChildren() <em>Children</em>}' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getChildren()
	 * @generated
	 * @ordered
	 */
	protected EList<CurvedConnection> children;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<CurvedConnection> getChildren() {
		if (children == null) {
			children = new EObjectResolvingEList<CurvedConnection>(CurvedConnection.class, this, PictogramsPackage.COMPOSITE_CONNECTION__CHILDREN);
		}
		return children;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case PictogramsPackage.COMPOSITE_CONNECTION__CHILDREN:
				return getChildren();
		}
		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 PictogramsPackage.COMPOSITE_CONNECTION__CHILDREN:
				getChildren().clear();
				getChildren().addAll((Collection<? extends CurvedConnection>)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

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

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

} //CompositeConnectionImpl