/**
 */
package IFML.Core.impl;

import IFML.Core.Context;
import IFML.Core.ContextVariable;
import IFML.Core.CorePackage;

import IFML.DataTypes.ContextVariableScope;

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.eclipse.emf.ecore.util.EcoreUtil;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Context Variable</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link IFML.Core.impl.ContextVariableImpl#getContext <em>Context</em>}</li>
 *   <li>{@link IFML.Core.impl.ContextVariableImpl#getScope <em>Scope</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ContextVariableImpl extends NamedElementImpl implements ContextVariable {
	/**
	 * The default value of the '{@link #getScope() <em>Scope</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getScope()
	 * @generated
	 * @ordered
	 */
	protected static final ContextVariableScope SCOPE_EDEFAULT = ContextVariableScope.APPLICATION_SCOPE;

	/**
	 * The cached value of the '{@link #getScope() <em>Scope</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getScope()
	 * @generated
	 * @ordered
	 */
	protected ContextVariableScope scope = SCOPE_EDEFAULT;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Context getContext() {
		if (eContainerFeatureID() != CorePackage.CONTEXT_VARIABLE__CONTEXT) return null;
		return (Context)eInternalContainer();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetContext(Context newContext, NotificationChain msgs) {
		msgs = eBasicSetContainer((InternalEObject)newContext, CorePackage.CONTEXT_VARIABLE__CONTEXT, msgs);
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setContext(Context newContext) {
		if (newContext != eInternalContainer() || (eContainerFeatureID() != CorePackage.CONTEXT_VARIABLE__CONTEXT && newContext != null)) {
			if (EcoreUtil.isAncestor(this, newContext))
				throw new IllegalArgumentException("Recursive containment not allowed for " + toString());
			NotificationChain msgs = null;
			if (eInternalContainer() != null)
				msgs = eBasicRemoveFromContainer(msgs);
			if (newContext != null)
				msgs = ((InternalEObject)newContext).eInverseAdd(this, CorePackage.CONTEXT__CONTEXT_VARIABLES, Context.class, msgs);
			msgs = basicSetContext(newContext, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, CorePackage.CONTEXT_VARIABLE__CONTEXT, newContext, newContext));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ContextVariableScope getScope() {
		return scope;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setScope(ContextVariableScope newScope) {
		ContextVariableScope oldScope = scope;
		scope = newScope == null ? SCOPE_EDEFAULT : newScope;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, CorePackage.CONTEXT_VARIABLE__SCOPE, oldScope, scope));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case CorePackage.CONTEXT_VARIABLE__CONTEXT:
				if (eInternalContainer() != null)
					msgs = eBasicRemoveFromContainer(msgs);
				return basicSetContext((Context)otherEnd, msgs);
		}
		return super.eInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case CorePackage.CONTEXT_VARIABLE__CONTEXT:
				return basicSetContext(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
		switch (eContainerFeatureID()) {
			case CorePackage.CONTEXT_VARIABLE__CONTEXT:
				return eInternalContainer().eInverseRemove(this, CorePackage.CONTEXT__CONTEXT_VARIABLES, Context.class, msgs);
		}
		return super.eBasicRemoveFromContainerFeature(msgs);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case CorePackage.CONTEXT_VARIABLE__CONTEXT:
				setContext((Context)newValue);
				return;
			case CorePackage.CONTEXT_VARIABLE__SCOPE:
				setScope((ContextVariableScope)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case CorePackage.CONTEXT_VARIABLE__CONTEXT:
				setContext((Context)null);
				return;
			case CorePackage.CONTEXT_VARIABLE__SCOPE:
				setScope(SCOPE_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case CorePackage.CONTEXT_VARIABLE__CONTEXT:
				return getContext() != null;
			case CorePackage.CONTEXT_VARIABLE__SCOPE:
				return scope != SCOPE_EDEFAULT;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String toString() {
		if (eIsProxy()) return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (scope: ");
		result.append(scope);
		result.append(')');
		return result.toString();
	}

} //ContextVariableImpl
