/**
 */
package org.etsi.mts.tdl.impl;

import java.lang.reflect.InvocationTargetException;

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

import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.WrappedException;

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

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

import org.etsi.mts.tdl.Assignment;
import org.etsi.mts.tdl.AtomicBehaviour;
import org.etsi.mts.tdl.Behaviour;
import org.etsi.mts.tdl.ComponentInstance;
import org.etsi.mts.tdl.DataUse;
import org.etsi.mts.tdl.VariableUse;
import org.etsi.mts.tdl.tdlPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Assignment</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.etsi.mts.tdl.impl.AssignmentImpl#getVariable <em>Variable</em>}</li>
 *   <li>{@link org.etsi.mts.tdl.impl.AssignmentImpl#getExpression <em>Expression</em>}</li>
 * </ul>
 *
 * @generated
 */
public class AssignmentImpl extends AtomicBehaviourImpl implements Assignment
{
	/**
	 * The cached value of the '{@link #getVariable() <em>Variable</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getVariable()
	 * @generated
	 * @ordered
	 */
	protected VariableUse variable;

	/**
	 * The cached value of the '{@link #getExpression() <em>Expression</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getExpression()
	 * @generated
	 * @ordered
	 */
	protected DataUse expression;

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetVariable(VariableUse newVariable, NotificationChain msgs)
	{
		VariableUse oldVariable = variable;
		variable = newVariable;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, tdlPackage.ASSIGNMENT__VARIABLE, oldVariable, newVariable);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void setVariable(VariableUse newVariable)
	{
		if (newVariable != variable) {
			NotificationChain msgs = null;
			if (variable != null)
				msgs = ((InternalEObject)variable).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - tdlPackage.ASSIGNMENT__VARIABLE, null, msgs);
			if (newVariable != null)
				msgs = ((InternalEObject)newVariable).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - tdlPackage.ASSIGNMENT__VARIABLE, null, msgs);
			msgs = basicSetVariable(newVariable, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, tdlPackage.ASSIGNMENT__VARIABLE, newVariable, newVariable));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public DataUse getExpression()
	{
		return expression;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetExpression(DataUse newExpression, NotificationChain msgs)
	{
		DataUse oldExpression = expression;
		expression = newExpression;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, tdlPackage.ASSIGNMENT__EXPRESSION, oldExpression, newExpression);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void setExpression(DataUse newExpression)
	{
		if (newExpression != expression) {
			NotificationChain msgs = null;
			if (expression != null)
				msgs = ((InternalEObject)expression).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - tdlPackage.ASSIGNMENT__EXPRESSION, null, msgs);
			if (newExpression != null)
				msgs = ((InternalEObject)newExpression).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - tdlPackage.ASSIGNMENT__EXPRESSION, null, msgs);
			msgs = basicSetExpression(newExpression, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, tdlPackage.ASSIGNMENT__EXPRESSION, newExpression, newExpression));
	}

	/**
	 * The cached invocation delegate for the '{@link #getParticipatingComponents() <em>Get Participating Components</em>}' operation.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getParticipatingComponents()
	 * @generated
	 * @ordered
	 */
	protected static final EOperation.Internal.InvocationDelegate GET_PARTICIPATING_COMPONENTS__EINVOCATION_DELEGATE = ((EOperation.Internal)tdlPackage.Literals.ASSIGNMENT___GET_PARTICIPATING_COMPONENTS).getInvocationDelegate();

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public EList<ComponentInstance> getParticipatingComponents()
	{
		try {
			return (EList<ComponentInstance>)GET_PARTICIPATING_COMPONENTS__EINVOCATION_DELEGATE.dynamicInvoke(this, null);
		}
		catch (InvocationTargetException ite) {
			throw new WrappedException(ite);
		}
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
	{
		switch (featureID) {
			case tdlPackage.ASSIGNMENT__VARIABLE:
				return basicSetVariable(null, msgs);
			case tdlPackage.ASSIGNMENT__EXPRESSION:
				return basicSetExpression(null, 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 tdlPackage.ASSIGNMENT__VARIABLE:
				return getVariable();
			case tdlPackage.ASSIGNMENT__EXPRESSION:
				return getExpression();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue)
	{
		switch (featureID) {
			case tdlPackage.ASSIGNMENT__VARIABLE:
				setVariable((VariableUse)newValue);
				return;
			case tdlPackage.ASSIGNMENT__EXPRESSION:
				setExpression((DataUse)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID)
	{
		switch (featureID) {
			case tdlPackage.ASSIGNMENT__VARIABLE:
				setVariable((VariableUse)null);
				return;
			case tdlPackage.ASSIGNMENT__EXPRESSION:
				setExpression((DataUse)null);
				return;
		}
		super.eUnset(featureID);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public int eDerivedOperationID(int baseOperationID, Class<?> baseClass)
	{
		if (baseClass == Behaviour.class) {
			switch (baseOperationID) {
				case tdlPackage.BEHAVIOUR___GET_PARTICIPATING_COMPONENTS: return tdlPackage.ASSIGNMENT___GET_PARTICIPATING_COMPONENTS;
				default: return super.eDerivedOperationID(baseOperationID, baseClass);
			}
		}
		if (baseClass == AtomicBehaviour.class) {
			switch (baseOperationID) {
				case tdlPackage.ATOMIC_BEHAVIOUR___GET_PARTICIPATING_COMPONENTS: return tdlPackage.ASSIGNMENT___GET_PARTICIPATING_COMPONENTS;
				default: return super.eDerivedOperationID(baseOperationID, baseClass);
			}
		}
		return super.eDerivedOperationID(baseOperationID, baseClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException
	{
		switch (operationID) {
			case tdlPackage.ASSIGNMENT___GET_PARTICIPATING_COMPONENTS:
				return getParticipatingComponents();
		}
		return super.eInvoke(operationID, arguments);
	}

} //AssignmentImpl
