Examples with PropertyValue eu.esdihumboldt.hale.common.align.transformation.function.PropertyValue used on opensource projects

Example 11 with PropertyValue

use of eu.esdihumboldt.hale.common.align.transformation.function.PropertyValue in project hale by halestudio.

the class GroovyScript method createGroovyBinding.

/**
 * Create a Groovy binding from the list of variables.
 *
 * FIXME why is here an additional implementation of this as already used in
 * GroovyTransformation? Could the implementation in GroovyTransformation be
 * used instead? FIXME It could (should?) only be the other way around
 * (because of dependencies); or it should be at another "common"-place
 *
 * @param variables the variables
 * @param useNullForMissingBindings if the binding should provide
 *            <code>null</code> values for variables that are not provided
 *            in the given variable list
 * @return the binding for use with {@link GroovyShell}
 */
private Binding createGroovyBinding(Iterable<PropertyValue> variables, boolean useNullForMissingBindings) {
    Binding binding;
    if (useNullForMissingBindings) {
        binding = new Binding() {

            @Override
            public Object getVariable(String name) {
                try {
                    return super.getVariable(name);
                } catch (MissingPropertyException mpe) {
                    // use null value for variables that are not defined
                    return null;
                }
            }
        };
    } else
        binding = new Binding();
    for (PropertyValue var : variables) {
        // add the variable to the environment
        // determine the variable value
        Object value = var.getValue();
        if (value instanceof Instance) {
            // XXX check if there are
            value = ((Instance) value).getValue();
        // any properties?
        }
        if (value instanceof Number) {
        // use numbers as is
        } else {
            // try conversion to String as default
            try {
                value = var.getValueAs(String.class);
            } catch (ConversionException ce) {
                // XXX currently ignored conversion exception
                continue;
            }
        }
        // add with short name, if it does not override something
        String name = var.getProperty().getDefinition().getName().getLocalPart();
        if (!binding.getVariables().containsKey(name))
            binding.setVariable(name, value);
        // add with full name
        binding.setVariable(getVariableName(var.getProperty()), value);
    }
    return binding;
}

Example 12 with PropertyValue

use of eu.esdihumboldt.hale.common.align.transformation.function.PropertyValue in project hale by halestudio.

the class AbstractScriptedPropertyTransformation method evaluate.

@Override
protected final ListMultimap<String, Object> evaluate(String transformationIdentifier, E engine, ListMultimap<String, PropertyValue> variables, ListMultimap<String, PropertyEntityDefinition> resultNames, Map<String, String> executionParameters, TransformationLog log) throws TransformationException {
    ListMultimap<String, ParameterValue> originalParameters = getParameters();
    ListMultimap<String, Value> transformedParameters = ArrayListMultimap.create();
    if (originalParameters != null) {
        for (Map.Entry<String, ParameterValue> entry : originalParameters.entries()) {
            if (!entry.getValue().needsProcessing()) {
                Value value = entry.getValue().intern();
                if (!value.isRepresentedAsDOM()) {
                    value = Value.simple(getExecutionContext().getVariables().replaceVariables(value.getStringRepresentation()));
                }
                transformedParameters.put(entry.getKey(), value);
            } else {
                // type is a script
                ScriptFactory factory = ScriptExtension.getInstance().getFactory(entry.getValue().getType());
                if (factory == null)
                    throw new TransformationException("Couldn't find factory for script id " + entry.getValue().getType());
                Script script;
                try {
                    script = factory.createExtensionObject();
                } catch (Exception e) {
                    throw new TransformationException("Couldn't create script from factory", e);
                }
                Object result;
                try {
                    String scriptStr = entry.getValue().as(String.class);
                    if (script.requiresReplacedTransformationVariables()) {
                        // replace transformation variables
                        scriptStr = getExecutionContext().getVariables().replaceVariables(scriptStr);
                    }
                    result = script.evaluate(scriptStr, variables.values(), getExecutionContext());
                } catch (ScriptException e) {
                    throw new TransformationException("Couldn't evaluate a transformation parameter", e);
                }
                // XXX use conversion service instead of valueOf?
                transformedParameters.put(entry.getKey(), Value.simple(result));
            }
        }
    }
    this.transformedParameters = Multimaps.unmodifiableListMultimap(transformedParameters);
    return evaluateImpl(transformationIdentifier, engine, variables, resultNames, executionParameters, log);
}

Example 13 with PropertyValue

use of eu.esdihumboldt.hale.common.align.transformation.function.PropertyValue in project hale by halestudio.

the class ClassificationMapping method evaluate.

@Override
protected Object evaluate(String transformationIdentifier, TransformationEngine engine, ListMultimap<String, PropertyValue> variables, String resultName, PropertyEntityDefinition resultProperty, Map<String, String> executionParameters, TransformationLog log) throws TransformationException, NoResultException {
    String source = variables.values().iterator().next().getValueAs(String.class);
    LookupTable lookup = ClassificationMappingUtil.getClassificationLookup(getParameters(), getExecutionContext());
    if (lookup == null) {
        // throw new TransformationException("No classification specified");
        log.warn(log.createMessage("No classification specified", null));
    } else {
        Value target = lookup.lookup(Value.of(source));
        if (target != null) {
            // return value w/ transformation variables replaced
            return getExecutionContext().getVariables().replaceVariables(target);
        }
    }
    String notClassifiedAction = getOptionalParameter(PARAMETER_NOT_CLASSIFIED_ACTION, Value.of(USE_NULL_ACTION)).as(String.class);
    if (USE_SOURCE_ACTION.equals(notClassifiedAction)) {
        return source;
    } else if (notClassifiedAction.startsWith(USE_FIXED_VALUE_ACTION_PREFIX)) {
        String notClassified = notClassifiedAction.substring(notClassifiedAction.indexOf(':') + 1);
        // return w/ transformation variables replaced
        return getExecutionContext().getVariables().replaceVariables(notClassified);
    } else {
        // return null;
        throw new NoResultException();
    }
}

Example 14 with PropertyValue

use of eu.esdihumboldt.hale.common.align.transformation.function.PropertyValue in project hale by halestudio.

the class GroovyTransformationPage method validate.

@Override
protected boolean validate(String document) {
    super.validate(document);
    List<PropertyValue> values = new ArrayList<PropertyValue>();
    for (EntityDefinition var : getVariables()) {
        if (var instanceof PropertyEntityDefinition) {
            PropertyEntityDefinition property = (PropertyEntityDefinition) var;
            values.add(new PropertyValueImpl(testValues.get(property), property));
        }
    }
    Property targetProperty = (Property) CellUtil.getFirstEntity(getWizard().getUnfinishedCell().getTarget());
    if (targetProperty == null) {
        // not yet selected (NewRelationWizard)
        return false;
    }
    InstanceBuilder builder = GroovyTransformation.createBuilder(targetProperty.getDefinition());
    Cell cell = getWizard().getUnfinishedCell();
    boolean useInstanceValues = CellUtil.getOptionalParameter(cell, GroovyTransformation.PARAM_INSTANCE_VARIABLES, Value.of(false)).as(Boolean.class);
    AlignmentService as = PlatformUI.getWorkbench().getService(AlignmentService.class);
    GroovyService gs = HaleUI.getServiceProvider().getService(GroovyService.class);
    Script script = null;
    try {
        Collection<? extends Cell> typeCells = as.getAlignment().getTypeCells(cell);
        // select one matching type cell, the script has to run for all
        // matching cells
        // if there is no matching cell it may produce a npe, which is okay
        Cell typeCell = null;
        if (!typeCells.isEmpty()) {
            typeCell = typeCells.iterator().next();
        }
        CellLog log = new CellLog(new DefaultTransformationReporter("dummy", false), cell);
        ExecutionContext context = new DummyExecutionContext(HaleUI.getServiceProvider());
        groovy.lang.Binding binding;
        if (cell.getTransformationIdentifier().equals(GroovyGreedyTransformation.ID)) {
            binding = GroovyGreedyTransformation.createGroovyBinding(values, null, cell, typeCell, builder, useInstanceValues, log, context, targetProperty.getDefinition().getDefinition().getPropertyType());
        } else {
            binding = GroovyTransformation.createGroovyBinding(values, null, cell, typeCell, builder, useInstanceValues, log, context, targetProperty.getDefinition().getDefinition().getPropertyType());
        }
        script = gs.parseScript(document, binding);
        GroovyTransformation.evaluate(script, builder, targetProperty.getDefinition().getDefinition().getPropertyType(), gs, log);
    } catch (NoResultException e) {
    // continue
    } catch (final Exception e) {
        return handleValidationResult(script, e);
    }
    return handleValidationResult(script, null);
}

Example 15 with PropertyValue

use of eu.esdihumboldt.hale.common.align.transformation.function.PropertyValue in project hale by halestudio.

the class FunctionExecutor method executeTransformation.

/**
 * Execute a property transformation.
 *
 * @param transformation the transformation factory
 * @param cell the alignment cell
 * @param sources the named source entities and nodes
 * @param targets the named target entities and nodes
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
protected void executeTransformation(PropertyTransformationFactory transformation, Cell cell, ListMultimap<String, Pair<SourceNode, Entity>> sources, ListMultimap<String, Pair<TargetNode, Entity>> targets) {
    TransformationLog cellLog = new CellLog(reporter, cell);
    PropertyTransformation<?> function;
    try {
        // TODO cache function objects?
        function = transformation.createExtensionObject();
    } catch (Exception e) {
        cellLog.error(cellLog.createMessage("Error creating transformation function.", e));
        return;
    }
    TransformationEngine engine = engines.get(transformation.getEngineId(), cellLog);
    if (engine == null) {
        // TODO instead try another transformation
        cellLog.error(cellLog.createMessage("Skipping property transformation: No matching transformation engine found", null));
        return;
    }
    // configure function
    // set expected result
    ListMultimap<String, PropertyEntityDefinition> expectedResult = ArrayListMultimap.create(targets.keySet().size(), 1);
    for (Entry<String, Pair<TargetNode, Entity>> targetEntry : targets.entries()) {
        EntityDefinition def = targetEntry.getValue().getSecond().getDefinition();
        expectedResult.put(targetEntry.getKey(), toPropertyEntityDefinition(def));
    }
    function.setExpectedResult(expectedResult);
    // set source variables
    ListMultimap<String, PropertyValue> variables = ArrayListMultimap.create();
    for (Entry<String, Pair<SourceNode, Entity>> sourceEntry : sources.entries()) {
        EntityDefinition def = sourceEntry.getValue().getSecond().getDefinition();
        SourceNode sourceNode = sourceEntry.getValue().getFirst();
        if (TransformationTreeUtil.isEager(cell, sourceNode, cellLog, context.getServiceProvider())) {
            // eager source - all values
            Object[] values = sourceNode.getAllValues();
            if (values != null) {
                for (int i = 0; i < values.length; i++) {
                    PropertyValue propertyValue = new PropertyValueImpl(values[i], toPropertyEntityDefinition(def));
                    variables.put(sourceEntry.getKey(), propertyValue);
                }
            }
        } else {
            // non-eager source - one value
            Object value = sourceNode.getValue();
            PropertyValue propertyValue = new PropertyValueImpl(value, toPropertyEntityDefinition(def));
            variables.put(sourceEntry.getKey(), propertyValue);
        }
    }
    function.setVariables(variables);
    // set parameters
    function.setParameters(cell.getTransformationParameters());
    // set context
    function.setExecutionContext(context.getCellContext(cell));
    // set target type
    TypeDefinition targetType = null;
    if (!targets.isEmpty()) {
        TargetNode target = targets.values().iterator().next().getFirst();
        targetType = target.getEntityDefinition().getType();
    }
    function.setTargetType(targetType);
    function.setTypeCell(typeCell.get());
    // execute function
    try {
        ((PropertyTransformation) function).execute(transformation.getIdentifier(), engine, transformation.getExecutionParameters(), cellLog, cell);
    } catch (Throwable e) {
        // TODO instead try another transformation?
        cellLog.error(cellLog.createMessage("Skipping property transformation: Executing property transformation failed.", e));
        return;
    }
    // apply function results
    ListMultimap<String, Object> results = function.getResults();
    if (results != null) {
        for (String name : results.keySet()) {
            List<Object> values = results.get(name);
            List<Pair<TargetNode, Entity>> nodes = targets.get(name);
            if (nodes.size() > values.size()) {
                cellLog.warn(cellLog.createMessage(MessageFormat.format("Transformation result misses values for result with name {0}", name), null));
            }
            if (values.size() > nodes.size()) {
                cellLog.warn(cellLog.createMessage(MessageFormat.format("More transformation results than target nodes for result with name {0}", name), null));
            }
            int count = Math.min(values.size(), nodes.size());
            // node...
            for (int i = 0; i < count; i++) {
                Object value = values.get(i);
                TargetNode node = nodes.get(i).getFirst();
                if (value instanceof MultiValue) {
                    MultiValue originalValue = (MultiValue) value;
                    MultiValue processedValue = new MultiValue(originalValue.size());
                    for (Object o : originalValue) {
                        processedValue.add(processValue(cellLog, function, o, node));
                    }
                    value = processedValue;
                } else {
                    value = processValue(cellLog, function, value, node);
                }
                /*
					 * TODO
					 * 
					 * set node value only if no result has already been set. If
					 * a value is already there and we are in a lower priority
					 * executor, we do not overwrite.
					 */
                if (!node.isDefined()) {
                    node.setResult(value);
                }
            }
        }
    }
}