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

Example 1 with NoResultException

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

the class CustomGroovyTransformation 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 {
    // store script as parameter
    if (!CustomPropertyFunctionType.GROOVY.equals(customFunction.getFunctionType())) {
        throw new TransformationException("Custom function is not of type groovy");
    }
    Value scriptValue = customFunction.getFunctionDefinition();
    if (scriptValue.isEmpty()) {
        throw new NoResultException("Script not defined");
    }
    ListMultimap<String, ParameterValue> params = ArrayListMultimap.create();
    params.put(GroovyTransformation.PARAMETER_SCRIPT, new ParameterValue(scriptValue));
    setParameters(params);
    // instance builder
    InstanceBuilder builder = GroovyTransformation.createBuilder(resultProperty);
    // create the script binding
    Binding binding = createGroovyBinding(variables, getCell(), getTypeCell(), builder, log, getExecutionContext(), resultProperty.getDefinition().getPropertyType());
    Object result;
    try {
        GroovyService service = getExecutionContext().getService(GroovyService.class);
        Script groovyScript = GroovyUtil.getScript(this, binding, service, true);
        // evaluate the script
        result = GroovyTransformation.evaluate(groovyScript, builder, resultProperty.getDefinition().getPropertyType(), service, log);
    } catch (TransformationException | NoResultException e) {
        throw e;
    } catch (Throwable e) {
        throw new TransformationException("Error evaluating the custom function script", e);
    }
    if (result == null) {
        throw new NoResultException();
    }
    return result;
}

Example 2 with NoResultException

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

the class GroovyCreate method createInstances.

private Iterable<MutableInstance> createInstances(TypeDefinition type, TransformationLog log, Cell cell, int index) throws TransformationException {
    InstanceBuilder builder = new InstanceBuilder(false);
    Binding binding = GroovyUtil.createBinding(builder, cell, cell, log, getExecutionContext(), type);
    binding.setProperty(BINDING_INDEX, index);
    try {
        GroovyService service = getExecutionContext().getService(GroovyService.class);
        Script script = GroovyUtil.getScript(this, binding, service);
        return GroovyUtil.evaluateAll(script, builder, type, service, log);
    } catch (TransformationException e) {
        throw e;
    } catch (NoResultException e) {
        log.info(log.createMessage("Skipping target instance because received NoResultException from script", null));
        return Collections.emptyList();
    } catch (Exception e) {
        throw new TransformationException(e.getMessage(), e);
    }
}

Example 3 with NoResultException

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

the class GroovyGreedyTransformation 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 {
    // determine if instances should be used in variables or their values
    boolean useInstanceVariables = getOptionalParameter(PARAM_INSTANCE_VARIABLES, Value.of(false)).as(Boolean.class);
    // instance builder
    InstanceBuilder builder = GroovyTransformation.createBuilder(resultProperty);
    // create the script binding
    Binding binding = createGroovyBinding(variables.get(ENTITY_VARIABLE), getCell().getSource().get(ENTITY_VARIABLE), getCell(), getTypeCell(), builder, useInstanceVariables, log, getExecutionContext(), resultProperty.getDefinition().getPropertyType());
    Object result;
    try {
        GroovyService service = getExecutionContext().getService(GroovyService.class);
        Script groovyScript = GroovyUtil.getScript(this, binding, service);
        // evaluate the script
        result = GroovyTransformation.evaluate(groovyScript, builder, resultProperty.getDefinition().getPropertyType(), service, log);
    } catch (NoResultException | TransformationException e) {
        throw e;
    } catch (Throwable e) {
        throw new TransformationException("Error evaluating the cell script", e);
    }
    if (result == null) {
        throw new NoResultException();
    }
    return result;
}

Example 4 with NoResultException

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

the class GroovyRetype method execute.

@Override
public void execute(String transformationIdentifier, TransformationEngine engine, Map<String, String> executionParameters, TransformationLog log, Cell cell) throws TransformationException {
    // for each source instance create a target instance
    TypeDefinition targetType = getTarget().values().iterator().next().getDefinition().getDefinition();
    InstanceBuilder builder = new InstanceBuilder(false);
    Binding binding = createBinding(getSource(), cell, builder, log, getExecutionContext(), targetType);
    try {
        GroovyService service = getExecutionContext().getService(GroovyService.class);
        Script script = GroovyUtil.getScript(this, binding, service);
        Iterable<MutableInstance> targets = GroovyUtil.evaluateAll(script, builder, targetType, service, log);
        for (MutableInstance target : targets) {
            getPropertyTransformer().publish(getSource(), target, log, cell);
        }
    } catch (TransformationException e) {
        throw e;
    } catch (NoResultException e) {
        log.info(log.createMessage("Skipping target instance because received NoResultException from script", null));
    } catch (Exception e) {
        throw new TransformationException(e.getMessage(), e);
    }
}

Example 5 with NoResultException

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

the class GroovyUtil method evaluate.

/**
 * Evaluate a Groovy type script.
 *
 * @param script the script
 * @param builder the instance builder
 * @param type the type of the instance to create
 * @param service the Groovy service
 * @param log the log
 * @return the created instance
 * @throws TransformationException if the target binding does not contain
 *             exactly one result after script evaluation or an internal
 *             error occurs
 * @throws NoResultException if the script implies that no result should be
 *             created
 */
public static MutableInstance evaluate(Script script, final InstanceBuilder builder, final TypeDefinition type, GroovyService service, SimpleLog log) throws TransformationException, NoResultException {
    Iterable<MutableInstance> results = evaluateAll(script, builder, type, service, log);
    Iterator<MutableInstance> it = results.iterator();
    MutableInstance result;
    if (it.hasNext()) {
        result = it.next();
        if (it.hasNext()) {
            throw new TransformationException("Cell script does not produce exactly one result.");
        }
    } else {
        throw new NoResultException();
    }
    return result;
}