package OntoUML.diagram.expressions;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Collections;
import java.util.Map;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EDataType;
import org.eclipse.emf.ecore.EEnum;
import org.eclipse.emf.ecore.EEnumLiteral;
import org.eclipse.emf.ecore.util.EcoreUtil;
/**
* @generated
*/
public abstract class OntoUMLAbstractExpression {
/**
* @generated
*/
private IStatus status = Status.OK_STATUS;
/**
* @generated
*/
protected void setStatus(int severity, String message, Throwable throwable) {
String pluginID = OntoUML.diagram.part.OntoUMLDiagramEditorPlugin.ID;
this.status = new Status(severity, pluginID, -1,
(message != null) ? message : "", throwable); //$NON-NLS-1$
if (!this.status.isOK()) {
OntoUML.diagram.part.OntoUMLDiagramEditorPlugin
.getInstance()
.logError(
"Expression problem:" + message + "body:" + body(), throwable); //$NON-NLS-1$ //$NON-NLS-2$
}
}
/**
* @generated
*/
public IStatus getStatus() {
return status;
}
/**
* @generated
*/
private final String myBody;
/**
* @generated
*/
public String body() {
return myBody;
}
/**
* @generated
*/
private final EClassifier myContext;
/**
* @generated
*/
public EClassifier context() {
return myContext;
}
/**
* @generated
*/
protected OntoUMLAbstractExpression(String body, EClassifier context) {
myBody = body;
myContext = context;
}
/**
* @generated
*/
protected abstract Object doEvaluate(Object context, Map env);
/**
* @generated
*/
public Object evaluate(Object context) {
return evaluate(context, Collections.EMPTY_MAP);
}
/**
* @generated
*/
public Object evaluate(Object context, Map env) {
if (context().isInstance(context)) {
try {
return doEvaluate(context, env);
} catch (Exception e) {
OntoUML.diagram.part.OntoUMLDiagramEditorPlugin
.getInstance()
.logError("Expression evaluation failure: " + body(), e);//$NON-NLS-1$
}
}
return null;
}
/**
* Expression may return number value which is not directly compatible with feature type (e.g. Double when Integer is expected), or EEnumLiteral meta-object when literal instance is expected
* @generated
*/
public static Object performCast(Object value, EDataType targetType) {
if (targetType instanceof EEnum) {
if (value instanceof EEnumLiteral) {
EEnumLiteral literal = (EEnumLiteral) value;
return (literal.getInstance() != null) ? literal.getInstance()
: literal;
}
}
if (false == value instanceof Number || targetType == null
|| targetType.getInstanceClass() == null) {
return value;
}
Class targetClass = targetType.getInstanceClass();
Number num = (Number) value;
Class valClass = value.getClass();
Class targetWrapperClass = targetClass;
if (targetClass.isPrimitive()) {
targetWrapperClass = EcoreUtil.wrapperClassFor(targetClass);
}
if (valClass.equals(targetWrapperClass)) {
return value;
}
if (Number.class.isAssignableFrom(targetWrapperClass)) {
if (targetWrapperClass.equals(Byte.class))
return new Byte(num.byteValue());
if (targetWrapperClass.equals(Integer.class))
return new Integer(num.intValue());
if (targetWrapperClass.equals(Short.class))
return new Short(num.shortValue());
if (targetWrapperClass.equals(Long.class))
return new Long(num.longValue());
if (targetWrapperClass.equals(BigInteger.class))
return BigInteger.valueOf(num.longValue());
if (targetWrapperClass.equals(Float.class))
return new Float(num.floatValue());
if (targetWrapperClass.equals(Double.class))
return new Double(num.doubleValue());
if (targetWrapperClass.equals(BigDecimal.class))
return new BigDecimal(num.doubleValue());
}
return value;
}
}