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/*****************************************************************************
* Copyright (c) 2013 CEA LIST.
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Ansgar Radermacher ansgar.radermacher@cea.fr
*
*****************************************************************************/
package org.eclipse.papyrus.qompass.modellibs.core.mappingrules;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.emf.common.util.EList;
import org.eclipse.papyrus.FCM.Port;
import org.eclipse.papyrus.FCM.util.IMappingRule;
import org.eclipse.papyrus.FCM.util.MapUtil;
import org.eclipse.papyrus.qompass.designer.core.Log;
import org.eclipse.uml2.uml.DataType;
import org.eclipse.uml2.uml.Interface;
import org.eclipse.uml2.uml.Operation;
import org.eclipse.uml2.uml.Parameter;
import org.eclipse.uml2.uml.PrimitiveType;
import org.eclipse.uml2.uml.Signal;
import org.eclipse.uml2.uml.Type;
/**
* Will generate a suitable callable interface push provider. The port is typed with a primitive type
* or data type. The generated interface has a "push (data <Type>)" operation
*
* The interface is identical to that of a PushConsumer (and will be shared).
*
* @author ansgar
*/
public class PushProducer implements IMappingRule {
public static String PUSH_I_PREFIX = "Push_"; //$NON-NLS-1$
public static String PUSH_OP_NAME = "push"; //$NON-NLS-1$
public static String PUSH_OP_PARNAME = "data"; //$NON-NLS-1$
@Override
public Interface getProvided(Port p, boolean update) {
return null;
}
public static PushProducer getInstance() {
if (instance == null) {
instance = new PushProducer();
}
return instance;
}
@Override
public boolean needsUpdate(Port p) {
Type type = p.getBase_Port().getType();
if ((type instanceof PrimitiveType) || (type instanceof DataType) || (type instanceof Signal)) {
Interface derivedInterface = MapUtil.getOrCreateDerivedInterfaceFP(p, PUSH_I_PREFIX, type, false);
if (derivedInterface == null) {
return true;
}
Operation derivedOperation = derivedInterface.getOperation(PUSH_OP_NAME, null, null);
if (derivedOperation == null) {
return true;
}
EList<Parameter> parameters = derivedOperation.getOwnedParameters();
if (parameters.size() != 1) {
return true;
} else {
Parameter parameter = parameters.get(0);
if (!parameter.getName().equals(PUSH_OP_PARNAME)) {
return true;
}
if (parameter.getType() != type) {
return true;
}
}
}
return false;
}
@Override
public Interface getRequired(Port p, boolean update) {
Log.log(IStatus.INFO, Log.CALC_PORTKIND, p.getKind().getBase_Class().getName() + " => GetRequired on " + p.getBase_Port().getName());
Type type = p.getBase_Port().getType();
if ((type instanceof PrimitiveType) || (type instanceof DataType) || (type instanceof Signal)) {
Interface derivedInterface = MapUtil.getOrCreateDerivedInterfaceFP(p, PUSH_I_PREFIX, type, update);
if (!update) {
return derivedInterface;
}
if (derivedInterface == null) {
// may happen, if within template (do not want creation of derived interfaces in template)
return null;
}
// check whether operation already exists. Create, if not
Operation derivedOperation = derivedInterface.getOperation(PUSH_OP_NAME, null, null);
if (derivedOperation == null) {
derivedOperation = derivedInterface.createOwnedOperation(PUSH_OP_NAME, null, null);
}
EList<Parameter> parameters = derivedOperation.getOwnedParameters();
if (parameters.size() == 0) {
derivedOperation.createOwnedParameter(PUSH_OP_PARNAME, type);
} else {
Parameter parameter = parameters.get(0);
if (!parameter.getName().equals(PUSH_OP_PARNAME)) {
parameter.setName(PUSH_OP_PARNAME);
}
if (parameter.getType() != type) {
parameter.setType(type);
}
}
return derivedInterface;
} else {
return null;
}
}
protected static PushProducer instance;
}
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