/*
* Copyright (c) 2003- michael lawley and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public License version 2.1 as published by the Free Software Foundation
* which accompanies this distribution, and is available by writing to
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Contributors:
* michael lawley
*
*
*/
package tefkat.model.impl;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
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.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.InternalEList;
import tefkat.model.CompoundExpr;
import tefkat.model.Expression;
import tefkat.model.FeatureExpr;
import tefkat.model.StringConstant;
import tefkat.model.TefkatFactory;
import tefkat.model.TefkatPackage;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Feature Expr</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link tefkat.model.impl.FeatureExprImpl#isOperation <em>Operation</em>}</li>
* <li>{@link tefkat.model.impl.FeatureExprImpl#isCollect <em>Collect</em>}</li>
* <li>{@link tefkat.model.impl.FeatureExprImpl#getFeature <em>Feature</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class FeatureExprImpl extends CompoundExprImpl implements FeatureExpr {
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public static final String copyright = "Copyright michael lawley Pty Ltd 2003-2007";
/**
* The default value of the '{@link #isOperation() <em>Operation</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isOperation()
* @generated
* @ordered
*/
protected static final boolean OPERATION_EDEFAULT = false;
/**
* The cached value of the '{@link #isOperation() <em>Operation</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isOperation()
* @generated
* @ordered
*/
protected boolean operation = OPERATION_EDEFAULT;
/**
* The default value of the '{@link #isCollect() <em>Collect</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isCollect()
* @generated
* @ordered
*/
protected static final boolean COLLECT_EDEFAULT = false;
/**
* The cached value of the '{@link #isCollect() <em>Collect</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isCollect()
* @generated
* @ordered
*/
protected boolean collect = COLLECT_EDEFAULT;
/**
* The cached value of the '{@link #getFeature() <em>Feature</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getFeature()
* @generated
* @ordered
*/
protected Expression feature = null;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected FeatureExprImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected EClass eStaticClass() {
return TefkatPackage.Literals.FEATURE_EXPR;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean isOperation() {
return operation;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setOperation(boolean newOperation) {
boolean oldOperation = operation;
operation = newOperation;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, TefkatPackage.FEATURE_EXPR__OPERATION, oldOperation, operation));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean isCollect() {
return collect;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setCollect(boolean newCollect) {
boolean oldCollect = collect;
collect = newCollect;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, TefkatPackage.FEATURE_EXPR__COLLECT, oldCollect, collect));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Expression getFeature() {
return feature;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetFeature(Expression newFeature, NotificationChain msgs) {
Expression oldFeature = feature;
feature = newFeature;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, TefkatPackage.FEATURE_EXPR__FEATURE, oldFeature, newFeature);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setFeature(Expression newFeature) {
if (newFeature != feature) {
NotificationChain msgs = null;
if (feature != null)
msgs = ((InternalEObject)feature).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - TefkatPackage.FEATURE_EXPR__FEATURE, null, msgs);
if (newFeature != null)
msgs = ((InternalEObject)newFeature).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - TefkatPackage.FEATURE_EXPR__FEATURE, null, msgs);
msgs = basicSetFeature(newFeature, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, TefkatPackage.FEATURE_EXPR__FEATURE, newFeature, newFeature));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case TefkatPackage.FEATURE_EXPR__FEATURE:
return basicSetFeature(null, msgs);
}
return super.eInverseRemove(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case TefkatPackage.FEATURE_EXPR__OPERATION:
return isOperation() ? Boolean.TRUE : Boolean.FALSE;
case TefkatPackage.FEATURE_EXPR__COLLECT:
return isCollect() ? Boolean.TRUE : Boolean.FALSE;
case TefkatPackage.FEATURE_EXPR__FEATURE:
return getFeature();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case TefkatPackage.FEATURE_EXPR__OPERATION:
setOperation(((Boolean)newValue).booleanValue());
return;
case TefkatPackage.FEATURE_EXPR__COLLECT:
setCollect(((Boolean)newValue).booleanValue());
return;
case TefkatPackage.FEATURE_EXPR__FEATURE:
setFeature((Expression)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void eUnset(int featureID) {
switch (featureID) {
case TefkatPackage.FEATURE_EXPR__OPERATION:
setOperation(OPERATION_EDEFAULT);
return;
case TefkatPackage.FEATURE_EXPR__COLLECT:
setCollect(COLLECT_EDEFAULT);
return;
case TefkatPackage.FEATURE_EXPR__FEATURE:
setFeature((Expression)null);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public boolean eIsSet(int featureID) {
switch (featureID) {
case TefkatPackage.FEATURE_EXPR__OPERATION:
return operation != OPERATION_EDEFAULT;
case TefkatPackage.FEATURE_EXPR__COLLECT:
return collect != COLLECT_EDEFAULT;
case TefkatPackage.FEATURE_EXPR__FEATURE:
return feature != null;
}
return super.eIsSet(featureID);
}
/**
* <!-- begin-user-doc -->
* Create a (deep) copy of this instance.
* Contained EObjects are also copied while referenced EObjects are not.
* <!-- end-user-doc -->
*/
public Expression copy() {
FeatureExpr copy = TefkatFactory.eINSTANCE.createFeatureExpr();
copy.setCollect(isCollect());
copy.setOperation(isOperation());
copy.setFeature(getFeature().copy());
List args = copy.getArg();
for (Iterator itr = getArg().iterator(); itr.hasNext(); ) {
args.add(((Expression) itr.next()).copy());
}
return copy;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public String toString() {
if (eIsProxy()) return super.toString();
List args = getArg();
String featureName = String.valueOf(getFeature());
if (!(getFeature() instanceof StringConstant)) {
featureName = "$" + featureName;
}
String result;
if (args.size() == 1) {
result = args.get(0) + "." + featureName + (operation ? "()" : "") + (collect ? "{}" : "");
} else if (args.size() > 1 && operation) {
result = args.get(0) + "." + featureName + "(" + args.get(1);
for (int i = 2; i < args.size(); i++) {
result += "," + args.get(i);
}
result += (collect ? "){}" : ")");
} else {
result = super.toString();
}
return result;
}
} //FeatureExprImpl