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/*
 * Copyright (c) 2012 - 2024 Data In Motion and others.
 * All rights reserved. 
 * 
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 * 
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors:
 *      Mark Hoffmann - initial API and implementation
 */
package org.omg.bpmn.bpmn2.impl;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;

import org.omg.bpmn.bpmn2.Bpmn2Package;
import org.omg.bpmn.bpmn2.Expression;
import org.omg.bpmn.bpmn2.ResourceParameter;
import org.omg.bpmn.bpmn2.ResourceParameterBinding;

/**
 * 
 * An implementation of the model object 'Resource Parameter Binding'.
 * 
 * 
 * The following features are implemented:
 * 
 * 
 *   {@link org.omg.bpmn.bpmn2.impl.ResourceParameterBindingImpl#getExpression Expression}
 *   {@link org.omg.bpmn.bpmn2.impl.ResourceParameterBindingImpl#getParameterRef Parameter Ref}
 * 
 *
 * @generated
 */
public class ResourceParameterBindingImpl extends BaseElementImpl implements ResourceParameterBinding {
	/**
	 * The cached value of the '{@link #getExpression() Expression}' containment reference.
	 * 
	 * 
	 * @see #getExpression()
	 * @generated
	 * @ordered
	 */
	protected Expression expression;

	/**
	 * The cached value of the '{@link #getParameterRef() Parameter Ref}' reference.
	 * 
	 * 
	 * @see #getParameterRef()
	 * @generated
	 * @ordered
	 */
	protected ResourceParameter parameterRef;

	/**
	 * 
	 * 
	 * @generated
	 */
	protected ResourceParameterBindingImpl() {
		super();
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return Bpmn2Package.eINSTANCE.getResourceParameterBinding();
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public Expression getExpression() {
		return expression;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	public NotificationChain basicSetExpression(Expression newExpression, NotificationChain msgs) {
		Expression oldExpression = expression;
		expression = newExpression;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, Bpmn2Package.RESOURCE_PARAMETER_BINDING__EXPRESSION, oldExpression, newExpression);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void setExpression(Expression newExpression) {
		if (newExpression != expression) {
			NotificationChain msgs = null;
			if (expression != null)
				msgs = ((InternalEObject)expression).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - Bpmn2Package.RESOURCE_PARAMETER_BINDING__EXPRESSION, null, msgs);
			if (newExpression != null)
				msgs = ((InternalEObject)newExpression).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - Bpmn2Package.RESOURCE_PARAMETER_BINDING__EXPRESSION, null, msgs);
			msgs = basicSetExpression(newExpression, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, Bpmn2Package.RESOURCE_PARAMETER_BINDING__EXPRESSION, newExpression, newExpression));
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public ResourceParameter getParameterRef() {
		if (parameterRef != null && parameterRef.eIsProxy()) {
			InternalEObject oldParameterRef = (InternalEObject)parameterRef;
			parameterRef = (ResourceParameter)eResolveProxy(oldParameterRef);
			if (parameterRef != oldParameterRef) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, Bpmn2Package.RESOURCE_PARAMETER_BINDING__PARAMETER_REF, oldParameterRef, parameterRef));
			}
		}
		return parameterRef;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	public ResourceParameter basicGetParameterRef() {
		return parameterRef;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void setParameterRef(ResourceParameter newParameterRef) {
		ResourceParameter oldParameterRef = parameterRef;
		parameterRef = newParameterRef;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, Bpmn2Package.RESOURCE_PARAMETER_BINDING__PARAMETER_REF, oldParameterRef, parameterRef));
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case Bpmn2Package.RESOURCE_PARAMETER_BINDING__EXPRESSION:
				return basicSetExpression(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case Bpmn2Package.RESOURCE_PARAMETER_BINDING__EXPRESSION:
				return getExpression();
			case Bpmn2Package.RESOURCE_PARAMETER_BINDING__PARAMETER_REF:
				if (resolve) return getParameterRef();
				return basicGetParameterRef();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case Bpmn2Package.RESOURCE_PARAMETER_BINDING__EXPRESSION:
				setExpression((Expression)newValue);
				return;
			case Bpmn2Package.RESOURCE_PARAMETER_BINDING__PARAMETER_REF:
				setParameterRef((ResourceParameter)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case Bpmn2Package.RESOURCE_PARAMETER_BINDING__EXPRESSION:
				setExpression((Expression)null);
				return;
			case Bpmn2Package.RESOURCE_PARAMETER_BINDING__PARAMETER_REF:
				setParameterRef((ResourceParameter)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case Bpmn2Package.RESOURCE_PARAMETER_BINDING__EXPRESSION:
				return expression != null;
			case Bpmn2Package.RESOURCE_PARAMETER_BINDING__PARAMETER_REF:
				return parameterRef != null;
		}
		return super.eIsSet(featureID);
	}

} //ResourceParameterBindingImpl