Examples with TransformationContext org.talend.dataprep.transformation.api.action.context.TransformationContext used on opensource projects

Example 21 with TransformationContext

use of org.talend.dataprep.transformation.api.action.context.TransformationContext in project data-prep by Talend.

the class PipelineTest method testCanceledAction.

@Test
public void testCanceledAction() throws Exception {
    // Given
    final RunnableAction mockAction = new RunnableAction() {

        @Override
        public DataSetRowAction getRowAction() {
            return (r, context) -> {
                context.get("Executed", p -> true);
                return r;
            };
        }
    };
    final ActionContext actionContext = new ActionContext(new TransformationContext());
    actionContext.setActionStatus(ActionContext.ActionStatus.CANCELED);
    final Node node = NodeBuilder.source().to(new ActionNode(mockAction, actionContext)).to(output).build();
    final RowMetadata rowMetadata = new RowMetadata();
    final DataSetRow row = new DataSetRow(rowMetadata);
    // when
    node.exec().receive(row, rowMetadata);
    // then
    assertFalse(actionContext.has("Executed"));
}

Example 22 with TransformationContext

use of org.talend.dataprep.transformation.api.action.context.TransformationContext in project data-prep by Talend.

the class PipelineTest method testVisitorAndToString.

@Test
public void testVisitorAndToString() throws Exception {
    final Node node = // 
    NodeBuilder.source().to(// 
    new BasicNode()).dispatchTo(// 
    new BasicNode()).to(// 
    new ActionNode(new RunnableAction(), new ActionContext(new TransformationContext()))).to(// 
    output).build();
    final Pipeline pipeline = new Pipeline(node);
    final NodeClassVisitor visitor = new NodeClassVisitor();
    // when
    pipeline.accept(visitor);
    // then
    final Class[] expectedClasses = { Pipeline.class, SourceNode.class, BasicLink.class, BasicNode.class, CloneLink.class, ActionNode.class };
    assertThat(visitor.traversedClasses, CoreMatchers.hasItems(expectedClasses));
    assertNotNull(pipeline.toString());
}

Example 23 with TransformationContext

use of org.talend.dataprep.transformation.api.action.context.TransformationContext in project data-prep by Talend.

the class PipelineTest method testActionNode.

@Test
public void testActionNode() throws Exception {
    final ActionContext actionContext = new ActionContext(new TransformationContext());
    final RunnableAction mockAction = new RunnableAction();
    ActionNode compileNode = new ActionNode(mockAction, actionContext);
    assertEquals(actionContext, compileNode.getActionContext());
    assertEquals(mockAction, compileNode.getAction());
}

Example 24 with TransformationContext

use of org.talend.dataprep.transformation.api.action.context.TransformationContext in project data-prep by Talend.

the class MatchesPatternTest method buildPatternActionContext.

private ActionContext buildPatternActionContext(String regex) {
    ActionContext context = new ActionContext(new TransformationContext());
    // create and add a single column
    RowMetadata rowMetadata = new RowMetadata();
    ColumnMetadata column = new ColumnMetadata();
    column.setId("0000");
    column.setName("toto");
    column.setType(Type.STRING.name());
    rowMetadata.setColumns(Collections.singletonList(column));
    context.setRowMetadata(rowMetadata);
    // create and add minimalist parameters
    Map<String, String> parameters = new HashMap<>();
    parameters.put(MatchesPattern.PATTERN_PARAMETER, regex);
    parameters.put(ImplicitParameters.COLUMN_ID.getKey(), "0000");
    context.setParameters(parameters);
    action.compile(context);
    return context;
}

Example 25 with TransformationContext

use of org.talend.dataprep.transformation.api.action.context.TransformationContext in project data-prep by Talend.

the class MetadataChangesOnActionsGenerator method compileActionsOnMetadata.

/**
 * Compile the given actions, hence updating the given row metadata and return the later.
 *
 * @param actions the actions to compile.
 * @param startingRowMetadata the row metadata to start from.
 * @return the updated row metadata from the actions compilation.
 */
private RowMetadata compileActionsOnMetadata(List<RunnableAction> actions, final RowMetadata startingRowMetadata) {
    final RowMetadata updatedRowMetadata = startingRowMetadata.clone();
    TransformationContext transformationContext = new TransformationContext();
    // compile every action within the transformation context
    for (RunnableAction action : actions) {
        final DataSetRowAction rowAction = action.getRowAction();
        final ActionContext actionContext = transformationContext.create(rowAction, updatedRowMetadata);
        rowAction.compile(actionContext);
    }
    // the cleanup is REALLY important (as it can close http connection in case of a lookup for instance)
    transformationContext.cleanup();
    return updatedRowMetadata;
}