[295057] Introduce InternalTransformation executor class
diff --git a/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/internal/qvt/oml/ExecutionDiagnosticImpl.java b/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/internal/qvt/oml/ExecutionDiagnosticImpl.java
new file mode 100644
index 0000000..61f5f1b
--- /dev/null
+++ b/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/internal/qvt/oml/ExecutionDiagnosticImpl.java
@@ -0,0 +1,76 @@
+/*******************************************************************************
+ * Copyright (c) 2009 Eclipse Modeling Project and others.
+ * 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:
+ * Radek Dvorak - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.m2m.internal.qvt.oml;
+
+import java.io.PrintWriter;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.eclipse.emf.common.util.BasicDiagnostic;
+import org.eclipse.emf.common.util.Diagnostic;
+import org.eclipse.m2m.internal.qvt.oml.evaluator.QvtRuntimeException;
+import org.eclipse.m2m.qvt.oml.ExecutionDiagnostic;
+import org.eclipse.m2m.qvt.oml.ExecutionStackTraceElement;
+
+/**
+ * A diagnostic class representing the result status of a transformation
+ * execution.
+ *
+ * @since 3.0
+ *
+ * @noextend This class is not intended to be sub-classed by clients.
+ */
+public final class ExecutionDiagnosticImpl extends BasicDiagnostic implements ExecutionDiagnostic {
+
+ public static final ExecutionDiagnosticImpl OK_INSTANCE = new ExecutionDiagnosticImpl(
+ Diagnostic.OK, 0, "OK", null); //$NON-NLS-1$
+
+ // instance fields
+
+ private List<ExecutionStackTraceElement> fStackTrace;
+
+ public ExecutionDiagnosticImpl(int severity, int code, String message, Object[] data) {
+ super(severity, SOURCE, code, message, data);
+ }
+
+ public ExecutionDiagnosticImpl(int severity, int code, String message) {
+ super(severity, SOURCE, code, message, null);
+ }
+
+ public void setStackTrace(List<? extends ExecutionStackTraceElement> stackElements) {
+ fStackTrace = new ArrayList<ExecutionStackTraceElement>(stackElements);
+ }
+
+ /**
+ * Gets the stack trace that resulted from interrupted execution either by
+ * user termination request or exception thrown
+ *
+ * @return list of trace elements or an empty list
+ */
+ public List<ExecutionStackTraceElement> getStackTrace() {
+ return fStackTrace != null ? Collections.unmodifiableList(fStackTrace)
+ : Collections.<ExecutionStackTraceElement> emptyList();
+ }
+
+ /**
+ * Prints the execution stack-trace (if available) of this diagnostic to the
+ * specified print writer.
+ *
+ * @param writer
+ * <code>PrintWriter</code> to use for output
+ */
+ public void printStackTrace(PrintWriter writer) {
+ if (fStackTrace != null) {
+ QvtRuntimeException.printQvtStackTrace(writer, fStackTrace);
+ }
+ }
+}
diff --git a/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/qvt/oml/InternalTransformationExecutor.java b/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/internal/qvt/oml/InternalTransformationExecutor.java
similarity index 88%
rename from plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/qvt/oml/InternalTransformationExecutor.java
rename to plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/internal/qvt/oml/InternalTransformationExecutor.java
index 1b64c71..2dafc15 100644
--- a/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/qvt/oml/InternalTransformationExecutor.java
+++ b/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/internal/qvt/oml/InternalTransformationExecutor.java
@@ -1,15 +1,14 @@
/*******************************************************************************
- * Copyright (c) 2009 Borland Software Corporation
- *
+ * Copyright (c) 2009 Eclipse Modeling Project and others.
* 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:
- * Borland Software Corporation - initial API and implementation
+ * Radek Dvorak - initial API and implementation
*******************************************************************************/
-package org.eclipse.m2m.qvt.oml;
+package org.eclipse.m2m.internal.qvt.oml;
import java.util.ArrayList;
import java.util.List;
@@ -26,9 +25,6 @@
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EParameter;
import org.eclipse.emf.ecore.EStructuralFeature;
-import org.eclipse.m2m.internal.qvt.oml.Messages;
-import org.eclipse.m2m.internal.qvt.oml.NLS;
-import org.eclipse.m2m.internal.qvt.oml.QvtMessage;
import org.eclipse.m2m.internal.qvt.oml.ast.env.ModelParameterExtent;
import org.eclipse.m2m.internal.qvt.oml.ast.env.QvtOperationalEnv;
import org.eclipse.m2m.internal.qvt.oml.ast.env.QvtOperationalEnvFactory;
@@ -54,14 +50,16 @@
import org.eclipse.m2m.internal.qvt.oml.expressions.OperationalTransformation;
import org.eclipse.m2m.internal.qvt.oml.library.Context;
import org.eclipse.m2m.internal.qvt.oml.library.IContext;
+import org.eclipse.m2m.qvt.oml.ExecutionContext;
+import org.eclipse.m2m.qvt.oml.ExecutionDiagnostic;
+import org.eclipse.m2m.qvt.oml.ModelExtent;
import org.eclipse.ocl.EvaluationVisitor;
import org.eclipse.ocl.ecore.CallOperationAction;
import org.eclipse.ocl.ecore.Constraint;
import org.eclipse.ocl.ecore.SendSignalAction;
/**
- * A utility class that enables to execute existing transformation in the
- * specified execution context.
+ * Internal transformation executor
*
* @since 3.0
*/
@@ -70,7 +68,7 @@
private URI fURI;
private EPackage.Registry fPackageRegistry;
private CompiledUnit fCompiledUnit;
- private ExecutionDiagnostic fLoadDiagnostic;
+ private ExecutionDiagnosticImpl fLoadDiagnostic;
private OperationalTransformation fTransformation;
/**
@@ -88,11 +86,7 @@
fURI = uri;
}
-
- public CompiledUnit getUnit() {
- return fCompiledUnit;
- }
-
+
public InternalTransformationExecutor(URI uri, EPackage.Registry registry) {
this(uri);
@@ -119,6 +113,21 @@
}
return fLoadDiagnostic;
}
+
+ /**
+ * Retrieves compiled unit if the referencing URI gets successfully resolved
+ * <p>
+ * <b>Remark</b>: This method invocation causes the referenced transformation to
+ * load if not already done before by direct call to
+ * {@linkplain #loadTransformation()} or
+ * {@linkplain #execute(ExecutionContext, ModelExtent...)}
+ *
+ * @return compiled unit or <code>null</code> if it failed to be obtained
+ */
+ public CompiledUnit getUnit() {
+ loadTransformation();
+ return fCompiledUnit;
+ }
/**
* Executes the transformation referred by this executor using the given
@@ -197,7 +206,7 @@
try {
args[i++].setContents(allRootElements);
} catch (UnsupportedOperationException e) {
- return new ExecutionDiagnostic(Diagnostic.ERROR,
+ return new ExecutionDiagnosticImpl(Diagnostic.ERROR,
ExecutionDiagnostic.MODEL_PARAMETER_MISMATCH, NLS
.bind(Messages.ReadOnlyExtentModificationError,
i - 1));
@@ -208,11 +217,11 @@
}
private void doLoad() {
- fLoadDiagnostic = ExecutionDiagnostic.OK_INSTANCE;
+ fLoadDiagnostic = ExecutionDiagnosticImpl.OK_INSTANCE;
UnitProxy unit = UnitResolverFactory.Registry.INSTANCE.getUnit(fURI);
if (unit == null) {
- fLoadDiagnostic = new ExecutionDiagnostic(Diagnostic.ERROR,
+ fLoadDiagnostic = new ExecutionDiagnosticImpl(Diagnostic.ERROR,
ExecutionDiagnostic.TRANSFORMATION_LOAD_FAILED, NLS.bind(
Messages.UnitNotFoundError, fURI));
return;
@@ -226,7 +235,7 @@
fLoadDiagnostic = createCompilationDiagnostic(fCompiledUnit);
} catch (MdaException e) {
- fLoadDiagnostic = new ExecutionDiagnostic(Diagnostic.ERROR,
+ fLoadDiagnostic = new ExecutionDiagnosticImpl(Diagnostic.ERROR,
ExecutionDiagnostic.TRANSFORMATION_LOAD_FAILED, NLS.bind(
Messages.FailedToCompileUnitError, fURI));
@@ -237,13 +246,13 @@
&& fLoadDiagnostic.getSeverity() == Diagnostic.OK) {
fTransformation = getTransformation();
if (fTransformation == null) {
- fLoadDiagnostic = new ExecutionDiagnostic(Diagnostic.ERROR,
+ fLoadDiagnostic = new ExecutionDiagnosticImpl(Diagnostic.ERROR,
ExecutionDiagnostic.TRANSFORMATION_LOAD_FAILED, NLS
.bind(Messages.NotTransformationInUnitError,
fURI));
}
- ExecutionDiagnostic validForExecution = checkIsExecutable(fTransformation);
+ ExecutionDiagnosticImpl validForExecution = checkIsExecutable(fTransformation);
if (validForExecution.getSeverity() != Diagnostic.OK) {
fLoadDiagnostic = validForExecution;
}
@@ -257,7 +266,7 @@
EList<ModelParameter> modelParameters = transformationModel
.getModelParameter();
if (modelParameters.size() != args.length) {
- return new ExecutionDiagnostic(Diagnostic.ERROR,
+ return new ExecutionDiagnosticImpl(Diagnostic.ERROR,
ExecutionDiagnostic.MODEL_PARAMETER_MISMATCH, NLS.bind(
Messages.InvalidModelParameterCountError,
args.length, modelParameters.size()));
@@ -288,17 +297,17 @@
return result;
}
- private static ExecutionDiagnostic checkIsExecutable(
+ private static ExecutionDiagnosticImpl checkIsExecutable(
OperationalTransformation transformation) {
EList<EOperation> operations = transformation.getEOperations();
for (EOperation oper : operations) {
if (oper instanceof ImperativeOperation
&& QvtOperationalEnv.MAIN.equals(oper.getName())) {
- return ExecutionDiagnostic.OK_INSTANCE;
+ return ExecutionDiagnosticImpl.OK_INSTANCE;
}
}
- return new ExecutionDiagnostic(Diagnostic.ERROR,
+ return new ExecutionDiagnosticImpl(Diagnostic.ERROR,
ExecutionDiagnostic.VALIDATION, NLS.bind(
Messages.NoTransformationEntryPointError,
transformation.getName()));
@@ -344,7 +353,7 @@
message = NLS.bind(Messages.QVTRuntimeExceptionCaught,
qvtRuntimeException.getClass().getName());
}
- ExecutionDiagnostic diagnostic = new ExecutionDiagnostic(severity,
+ ExecutionDiagnosticImpl diagnostic = new ExecutionDiagnosticImpl(severity,
code, message, data);
diagnostic.setStackTrace(qvtRuntimeException.getQvtStackTrace());
return diagnostic;
@@ -364,15 +373,15 @@
}
}
- private static ExecutionDiagnostic createCompilationDiagnostic(
+ private static ExecutionDiagnosticImpl createCompilationDiagnostic(
CompiledUnit compiledUnit) {
List<QvtMessage> errors = compiledUnit.getErrors();
if (errors.isEmpty()) {
- return ExecutionDiagnostic.OK_INSTANCE;
+ return ExecutionDiagnosticImpl.OK_INSTANCE;
}
URI uri = compiledUnit.getURI();
- ExecutionDiagnostic mainDiagnostic = new ExecutionDiagnostic(
+ ExecutionDiagnosticImpl mainDiagnostic = new ExecutionDiagnosticImpl(
Diagnostic.ERROR, ExecutionDiagnostic.VALIDATION, NLS.bind(
Messages.CompilationErrorsFoundInUnit, uri.toString()));
diff --git a/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/qvt/oml/ExecutionDiagnostic.java b/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/qvt/oml/ExecutionDiagnostic.java
index e8f81a3..f1dd8ee 100644
--- a/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/qvt/oml/ExecutionDiagnostic.java
+++ b/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/qvt/oml/ExecutionDiagnostic.java
@@ -12,23 +12,20 @@
package org.eclipse.m2m.qvt.oml;
import java.io.PrintWriter;
-import java.util.ArrayList;
-import java.util.Collections;
import java.util.List;
-import org.eclipse.emf.common.util.BasicDiagnostic;
import org.eclipse.emf.common.util.Diagnostic;
-import org.eclipse.m2m.internal.qvt.oml.evaluator.QvtRuntimeException;
+import org.eclipse.m2m.internal.qvt.oml.ExecutionDiagnosticImpl;
/**
- * A diagnostic class representing the result status of a transformation
+ * A diagnostic interface representing the result status of a transformation
* execution.
*
* @since 2.0
*
- * @noextend This class is not intended to be subclassed by clients.
+ * @noextend This interface is not intended to be extended by clients.
*/
-public class ExecutionDiagnostic extends BasicDiagnostic {
+public interface ExecutionDiagnostic extends Diagnostic {
/**
* The execution was terminated by failed QVT assertion.
@@ -50,35 +47,16 @@
public static final String SOURCE = "org.eclipse.m2m.qvt.oml.execution"; //$NON-NLS-1$
- static final ExecutionDiagnostic OK_INSTANCE = new ExecutionDiagnostic(
- Diagnostic.OK, 0, "OK", null); //$NON-NLS-1$
-
- // instance fields
-
- private List<ExecutionStackTraceElement> fStackTrace;
-
- ExecutionDiagnostic(int severity, int code, String message, Object[] data) {
- super(severity, SOURCE, code, message, data);
- }
-
- ExecutionDiagnostic(int severity, int code, String message) {
- super(severity, SOURCE, code, message, null);
- }
-
- void setStackTrace(List<? extends ExecutionStackTraceElement> stackElements) {
- fStackTrace = new ArrayList<ExecutionStackTraceElement>(stackElements);
- }
-
+
+ public static final ExecutionDiagnostic OK_INSTANCE = ExecutionDiagnosticImpl.OK_INSTANCE;
+
/**
* Gets the stack trace that resulted from interrupted execution either by
* user termination request or exception thrown
*
* @return list of trace elements or an empty list
*/
- public List<ExecutionStackTraceElement> getStackTrace() {
- return fStackTrace != null ? Collections.unmodifiableList(fStackTrace)
- : Collections.<ExecutionStackTraceElement> emptyList();
- }
+ public List<ExecutionStackTraceElement> getStackTrace();
/**
* Prints the execution stack-trace (if available) of this diagnostic to the
@@ -87,9 +65,5 @@
* @param writer
* <code>PrintWriter</code> to use for output
*/
- public void printStackTrace(PrintWriter writer) {
- if (fStackTrace != null) {
- QvtRuntimeException.printQvtStackTrace(writer, fStackTrace);
- }
- }
+ public void printStackTrace(PrintWriter writer);
}
diff --git a/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/qvt/oml/TransformationExecutor.java b/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/qvt/oml/TransformationExecutor.java
index 485fd67..c19f4f6 100644
--- a/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/qvt/oml/TransformationExecutor.java
+++ b/plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/qvt/oml/TransformationExecutor.java
@@ -11,53 +11,10 @@
*******************************************************************************/
package org.eclipse.m2m.qvt.oml;
-import java.util.ArrayList;
-import java.util.List;
-
-import org.eclipse.emf.common.util.BasicDiagnostic;
import org.eclipse.emf.common.util.Diagnostic;
-import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.URI;
-import org.eclipse.emf.ecore.EClass;
-import org.eclipse.emf.ecore.EClassifier;
-import org.eclipse.emf.ecore.EEnumLiteral;
-import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.ecore.EOperation;
import org.eclipse.emf.ecore.EPackage;
-import org.eclipse.emf.ecore.EParameter;
-import org.eclipse.emf.ecore.EStructuralFeature;
-import org.eclipse.m2m.internal.qvt.oml.Messages;
-import org.eclipse.m2m.internal.qvt.oml.NLS;
-import org.eclipse.m2m.internal.qvt.oml.QvtMessage;
-import org.eclipse.m2m.internal.qvt.oml.ast.env.ModelParameterExtent;
-import org.eclipse.m2m.internal.qvt.oml.ast.env.QvtOperationalEnv;
-import org.eclipse.m2m.internal.qvt.oml.ast.env.QvtOperationalEnvFactory;
-import org.eclipse.m2m.internal.qvt.oml.ast.env.QvtOperationalEvaluationEnv;
-import org.eclipse.m2m.internal.qvt.oml.ast.env.QvtOperationalFileEnv;
-import org.eclipse.m2m.internal.qvt.oml.common.MdaException;
-import org.eclipse.m2m.internal.qvt.oml.compiler.CompiledUnit;
-import org.eclipse.m2m.internal.qvt.oml.compiler.CompilerUtils;
-import org.eclipse.m2m.internal.qvt.oml.compiler.QVTOCompiler;
-import org.eclipse.m2m.internal.qvt.oml.compiler.UnitProxy;
-import org.eclipse.m2m.internal.qvt.oml.compiler.UnitResolver;
-import org.eclipse.m2m.internal.qvt.oml.compiler.UnitResolverFactory;
-import org.eclipse.m2m.internal.qvt.oml.evaluator.InternalEvaluator;
-import org.eclipse.m2m.internal.qvt.oml.evaluator.ModelInstance;
-import org.eclipse.m2m.internal.qvt.oml.evaluator.ModelParameterHelper;
-import org.eclipse.m2m.internal.qvt.oml.evaluator.QvtAssertionFailed;
-import org.eclipse.m2m.internal.qvt.oml.evaluator.QvtInterruptedExecutionException;
-import org.eclipse.m2m.internal.qvt.oml.evaluator.QvtRuntimeException;
-import org.eclipse.m2m.internal.qvt.oml.evaluator.QvtStackOverFlowError;
-import org.eclipse.m2m.internal.qvt.oml.expressions.ImperativeOperation;
-import org.eclipse.m2m.internal.qvt.oml.expressions.ModelParameter;
-import org.eclipse.m2m.internal.qvt.oml.expressions.Module;
-import org.eclipse.m2m.internal.qvt.oml.expressions.OperationalTransformation;
-import org.eclipse.m2m.internal.qvt.oml.library.Context;
-import org.eclipse.m2m.internal.qvt.oml.library.IContext;
-import org.eclipse.ocl.EvaluationVisitor;
-import org.eclipse.ocl.ecore.CallOperationAction;
-import org.eclipse.ocl.ecore.Constraint;
-import org.eclipse.ocl.ecore.SendSignalAction;
+import org.eclipse.m2m.internal.qvt.oml.InternalTransformationExecutor;
/**
* A utility class that enables to execute existing transformation in the
@@ -67,12 +24,8 @@
*/
public final class TransformationExecutor {
- private URI fURI;
- private EPackage.Registry fPackageRegistry;
- private CompiledUnit fCompiledUnit;
- private ExecutionDiagnostic fLoadDiagnostic;
- private OperationalTransformation fTransformation;
-
+ private InternalTransformationExecutor fExector;
+
/**
* Constructs the executor for the given transformation URI.
* <p>
@@ -82,25 +35,24 @@
* the URI of an existing transformation
*/
public TransformationExecutor(URI uri) {
- if (uri == null) {
- throw new IllegalArgumentException("null transformation URI"); //$NON-NLS-1$
- }
-
- fURI = uri;
+ fExector = new InternalTransformationExecutor(uri);
}
/**
+ * Constructs the executor for the given transformation URI.
+ * <p>
+ * No attempt to resolve and load the transformation is done at this step
+ *
+ * @param uri
+ * the URI of an existing transformation
+ * @param registry
+ * a package registry of meta-models to be referenced by the
+ * executed transformation
* @since 3.0
*/
public TransformationExecutor(URI uri, EPackage.Registry registry) {
- this(uri);
-
- if (registry == null) {
- throw new IllegalArgumentException("null package registry"); //$NON-NLS-1$
- }
-
- fPackageRegistry = registry;
- }
+ fExector = new InternalTransformationExecutor(uri, registry);
+ }
/**
* Attempts to load the transformation referred by this executor and checks
@@ -113,10 +65,7 @@
* @return the diagnostic indicating possible problems of the load action
*/
public Diagnostic loadTransformation() {
- if (fLoadDiagnostic == null) {
- doLoad();
- }
- return fLoadDiagnostic;
+ return fExector.loadTransformation();
}
/**
@@ -136,284 +85,6 @@
*/
public ExecutionDiagnostic execute(ExecutionContext executionContext,
ModelExtent... modelParameters) {
- // Java API check for nulls etc.
- if (executionContext == null) {
- throw new IllegalArgumentException();
- }
- checkLegalModelParams(modelParameters);
-
- // ensure transformation unit is loaded
- loadTransformation();
-
- // check if we have successfully loaded the transformation unit
- if (!isSuccess(fLoadDiagnostic)) {
- return fLoadDiagnostic;
- }
-
- try {
- return doExecute(modelParameters,
- createInternalContext(executionContext));
- } catch (QvtRuntimeException e) {
- return createExecutionFailure(e);
- }
+ return fExector.execute(executionContext, modelParameters);
}
-
- private ExecutionDiagnostic doExecute(ModelExtent[] args, IContext context) {
- QvtOperationalEnvFactory factory = getEnvironmentFactory();
- QvtOperationalEvaluationEnv evaluationEnv = factory
- .createEvaluationEnvironment(context, null);
-
- ExecutionDiagnostic modelParamsDiagnostic = initArguments(evaluationEnv, fTransformation, args);
- if (modelParamsDiagnostic.getSeverity() != Diagnostic.OK) {
- return modelParamsDiagnostic;
- }
-
- QvtOperationalFileEnv rootEnv = factory.createEnvironment(fCompiledUnit.getURI());
- EvaluationVisitor<EPackage, EClassifier, EOperation, EStructuralFeature, EEnumLiteral, EParameter, EObject, CallOperationAction, SendSignalAction, Constraint, EClass, EObject> evaluator = factory
- .createEvaluationVisitor(rootEnv, evaluationEnv, null);
-
- // perform the actual execution
- assert evaluator instanceof InternalEvaluator : "expecting InternalEvaluator implementation"; //$NON-NLS-1$
- InternalEvaluator rawEvaluator = (InternalEvaluator) evaluator;
-
- rawEvaluator.execute(fTransformation);
-
- // instantiate trace model and pass it to transformation evaluation
- // TODO: traces not involved yet, as it is not part of the API,
- // provide an option to serialize to a resource
- // Trace traces =
- // evaluationEnv.getAdapter(InternalEvaluationEnv.class).getTraces();
-
- // unpack the internal extents into the passed model parameters
- List<Object> resultArgs = evaluationEnv.getOperationArgs();
- int i = 0;
- for (Object nextResultArg : resultArgs) {
- ModelInstance modelInstance = (ModelInstance) nextResultArg;
- ModelParameterExtent extent = modelInstance.getExtent();
-
- List<EObject> allRootElements = extent.getContents()
- .getAllRootElements();
- try {
- args[i++].setContents(allRootElements);
- } catch (UnsupportedOperationException e) {
- return new ExecutionDiagnostic(Diagnostic.ERROR,
- ExecutionDiagnostic.MODEL_PARAMETER_MISMATCH, NLS
- .bind(Messages.ReadOnlyExtentModificationError,
- i - 1));
- }
- }
-
- return ExecutionDiagnostic.OK_INSTANCE;
- }
-
- private void doLoad() {
- fLoadDiagnostic = ExecutionDiagnostic.OK_INSTANCE;
-
- UnitProxy unit = UnitResolverFactory.Registry.INSTANCE.getUnit(fURI);
- if (unit == null) {
- fLoadDiagnostic = new ExecutionDiagnostic(Diagnostic.ERROR,
- ExecutionDiagnostic.TRANSFORMATION_LOAD_FAILED, NLS.bind(
- Messages.UnitNotFoundError, fURI));
- return;
- }
-
- QVTOCompiler compiler = createCompiler(unit.getResolver());
- try {
- fCompiledUnit = compiler.compile(unit, null, null);
- // fCompilerKernel = compiler.getKernel();
-
- fLoadDiagnostic = createCompilationDiagnostic(fCompiledUnit);
-
- } catch (MdaException e) {
- fLoadDiagnostic = new ExecutionDiagnostic(Diagnostic.ERROR,
- ExecutionDiagnostic.TRANSFORMATION_LOAD_FAILED, NLS.bind(
- Messages.FailedToCompileUnitError, fURI));
-
- fLoadDiagnostic.merge(BasicDiagnostic.toDiagnostic(e));
- }
-
- if (fCompiledUnit != null
- && fLoadDiagnostic.getSeverity() == Diagnostic.OK) {
- fTransformation = getTransformation();
- if (fTransformation == null) {
- fLoadDiagnostic = new ExecutionDiagnostic(Diagnostic.ERROR,
- ExecutionDiagnostic.TRANSFORMATION_LOAD_FAILED, NLS
- .bind(Messages.NotTransformationInUnitError,
- fURI));
- }
-
- ExecutionDiagnostic validForExecution = checkIsExecutable(fTransformation);
- if (validForExecution.getSeverity() != Diagnostic.OK) {
- fLoadDiagnostic = validForExecution;
- }
- }
- }
-
- private ExecutionDiagnostic initArguments(
- QvtOperationalEvaluationEnv evalEnv,
- OperationalTransformation transformationModel, ModelExtent[] args) {
-
- EList<ModelParameter> modelParameters = transformationModel
- .getModelParameter();
- if (modelParameters.size() != args.length) {
- return new ExecutionDiagnostic(Diagnostic.ERROR,
- ExecutionDiagnostic.MODEL_PARAMETER_MISMATCH, NLS.bind(
- Messages.InvalidModelParameterCountError,
- args.length, modelParameters.size()));
- }
-
- ExecutionDiagnostic result = ExecutionDiagnostic.OK_INSTANCE;
- List<ModelParameterExtent> extents = new ArrayList<ModelParameterExtent>(
- args.length);
-
- int argCount = 0;
- for (ModelParameter modelParam : modelParameters) {
- ModelParameterExtent nextExtent;
- ModelExtent nextArg = args[argCount++];
-
- if (modelParam.getKind() != org.eclipse.m2m.internal.qvt.oml.expressions.DirectionKind.OUT) {
- nextExtent = new ModelParameterExtent(nextArg.getContents(), null, modelParam);
- } else {
- nextExtent = new ModelParameterExtent();
- }
-
- extents.add(nextExtent);
- }
-
- List<ModelInstance> modelArgs = ModelParameterHelper
- .createModelArguments(transformationModel, extents);
- evalEnv.getOperationArgs().addAll(modelArgs);
-
- return result;
- }
-
- private static ExecutionDiagnostic checkIsExecutable(
- OperationalTransformation transformation) {
- EList<EOperation> operations = transformation.getEOperations();
- for (EOperation oper : operations) {
- if (oper instanceof ImperativeOperation
- && QvtOperationalEnv.MAIN.equals(oper.getName())) {
- return ExecutionDiagnostic.OK_INSTANCE;
- }
- }
-
- return new ExecutionDiagnostic(Diagnostic.ERROR,
- ExecutionDiagnostic.VALIDATION, NLS.bind(
- Messages.NoTransformationEntryPointError,
- transformation.getName()));
- }
-
- private OperationalTransformation getTransformation() {
- List<Module> allModules = fCompiledUnit.getModules();
- for (Module module : allModules) {
- if (module instanceof OperationalTransformation) {
- return (OperationalTransformation) module;
- }
- }
-
- return null;
- }
-
- private QvtOperationalEnvFactory getEnvironmentFactory() {
- return new QvtOperationalEnvFactory();
- }
-
- private static ExecutionDiagnostic createExecutionFailure(
- QvtRuntimeException qvtRuntimeException) {
- int code = 0;
- int severity = Diagnostic.ERROR;
- String message = qvtRuntimeException.getLocalizedMessage();
- Object[] data = null;
-
- if (qvtRuntimeException instanceof QvtAssertionFailed) {
- code = ExecutionDiagnostic.FATAL_ASSERTION;
- } else if (qvtRuntimeException instanceof QvtInterruptedExecutionException) {
- code = ExecutionDiagnostic.USER_INTERRUPTED;
- severity = Diagnostic.CANCEL;
- } else {
- code = ExecutionDiagnostic.EXCEPTION_THROWN;
- if (qvtRuntimeException instanceof QvtStackOverFlowError == false) {
- data = new Object[] { qvtRuntimeException };
- } else {
- message = Messages.StackTraceOverFlowError;
- }
- }
-
- if (message == null) {
- message = NLS.bind(Messages.QVTRuntimeExceptionCaught,
- qvtRuntimeException.getClass().getName());
- }
- ExecutionDiagnostic diagnostic = new ExecutionDiagnostic(severity,
- code, message, data);
- diagnostic.setStackTrace(qvtRuntimeException.getQvtStackTrace());
- return diagnostic;
- }
-
- private void checkLegalModelParams(ModelExtent[] extents)
- throws IllegalArgumentException {
- if (extents == null) {
- throw new IllegalArgumentException("Null model parameters"); //$NON-NLS-1$
- }
-
- for (int i = 0; i < extents.length; i++) {
- if (extents[i] == null) {
- throw new IllegalArgumentException(
- "Null model parameter[" + i + "]"); //$NON-NLS-1$ //$NON-NLS-2$
- }
- }
- }
-
- private static ExecutionDiagnostic createCompilationDiagnostic(
- CompiledUnit compiledUnit) {
- List<QvtMessage> errors = compiledUnit.getErrors();
- if (errors.isEmpty()) {
- return ExecutionDiagnostic.OK_INSTANCE;
- }
-
- URI uri = compiledUnit.getURI();
- ExecutionDiagnostic mainDiagnostic = new ExecutionDiagnostic(
- Diagnostic.ERROR, ExecutionDiagnostic.VALIDATION, NLS.bind(
- Messages.CompilationErrorsFoundInUnit, uri.toString()));
-
- for (QvtMessage message : errors) {
- // FIXME - we should include warnings as well
- mainDiagnostic.add(CompilerUtils.createProblemDiagnostic(uri, message));
- }
-
- return mainDiagnostic;
- }
-
- private static boolean isSuccess(Diagnostic diagnostic) {
- int severity = diagnostic.getSeverity();
- return severity == Diagnostic.OK || severity == Diagnostic.WARNING
- || severity == Diagnostic.INFO;
- }
-
- private static IContext createInternalContext(
- ExecutionContext executionContext) {
- Context ctx = new Context();
- ctx.setLog(executionContext.getLog());
- ctx.setMonitor(executionContext.getMonitor());
-
- for (String key : executionContext.getConfigPropertyNames()) {
- Object value = executionContext.getConfigProperty(key);
- ctx.setConfigProperty(key, value);
- }
-
- return ctx;
- }
-
- @Override
- public String toString() {
- return "QVTO-Executor: " + fURI; //$NON-NLS-1$
- }
-
- private QVTOCompiler createCompiler(UnitResolver unitResolver) {
- if(fPackageRegistry == null) {
- return CompilerUtils.createCompiler(unitResolver);
- }
-
- return QVTOCompiler.createCompiler(unitResolver, fPackageRegistry);
- }
-
}
