Examples with AssignHandler eu.esdihumboldt.hale.io.appschema.writer.internal.AssignHandler used on opensource projects

Example 1 with AssignHandler

use of eu.esdihumboldt.hale.io.appschema.writer.internal.AssignHandler in project hale by halestudio.

the class AppSchemaMappingTest method testNilReasonOnNotNillableElement.

@Test
public void testNilReasonOnNotNillableElement() {
    final String nilReason = "missing";
    final String nilReasonAssignCQL = "'" + nilReason + "'";
    final String nilReasonRenameCQL = SOURCE_UUID_V1;
    // --- test with a constant mapping --- //
    DefaultCell assignNilReason = new DefaultCell();
    assignNilReason.setTransformationIdentifier(AssignFunction.ID);
    ListMultimap<String, ParameterValue> parameters = ArrayListMultimap.create();
    parameters.put(AssignFunction.PARAMETER_VALUE, new ParameterValue(nilReason));
    assignNilReason.setTarget(getDescriptionNilReasonTargetProperty());
    assignNilReason.setTransformationParameters(parameters);
    Cell typeCell = getDefaultTypeCell(unitType, landCoverUnitType);
    AttributeMappingType attrMapping = null;
    AppSchemaMappingContext context = new AppSchemaMappingContext(mappingWrapper);
    AssignHandler assignHandler = new AssignHandler();
    attrMapping = assignHandler.handlePropertyTransformation(typeCell, assignNilReason, context);
    assertNotNull(attrMapping);
    assertEquals("gml:description", attrMapping.getTargetAttribute());
    assertNull(attrMapping.getSourceExpression());
    assertEquals(1, attrMapping.getClientProperty().size());
    assertEquals(GML_NIL_REASON, attrMapping.getClientProperty().get(0).getName());
    assertEquals(nilReasonAssignCQL, attrMapping.getClientProperty().get(0).getValue());
    // encodeIfEmpty=true because we are using a constant mapping
    assertTrue(attrMapping.isEncodeIfEmpty());
    // --- test with a non-constant mapping --- //
    DefaultCell rename = new DefaultCell();
    rename.setTransformationIdentifier(RenameFunction.ID);
    rename.setSource(getUuidSourceProperty(unitType));
    rename.setTarget(getDescriptionNilReasonTargetProperty());
    // reset mapping
    initMapping();
    context = new AppSchemaMappingContext(mappingWrapper);
    // process rename
    RenameHandler renameHandler = new RenameHandler();
    attrMapping = renameHandler.handlePropertyTransformation(typeCell, rename, context);
    assertNotNull(attrMapping);
    assertEquals("gml:description", attrMapping.getTargetAttribute());
    assertNull(attrMapping.getSourceExpression());
    assertEquals(1, attrMapping.getClientProperty().size());
    assertEquals(GML_NIL_REASON, attrMapping.getClientProperty().get(0).getName());
    assertEquals(nilReasonRenameCQL, attrMapping.getClientProperty().get(0).getValue());
    // encodeIfEmpty has not been set, because we are using a mapping which
    // is a function of the source value
    assertNull(attrMapping.isEncodeIfEmpty());
}

Example 2 with AssignHandler

use of eu.esdihumboldt.hale.io.appschema.writer.internal.AssignHandler in project hale by halestudio.

the class AppSchemaMappingTest method testAssignHandler.

@Test
public void testAssignHandler() {
    final String ASSIGN_VALUE = "LCU_1234";
    final String OCQL = "'" + ASSIGN_VALUE + "'";
    final String OCQL_BOUND = "if_then_else(isNull(" + SOURCE_UUID_V1 + "), Expression.NIL, '" + ASSIGN_VALUE + "')";
    Cell typeCell = getDefaultTypeCell(unitDenormType, landCoverUnitType);
    DefaultCell cell = new DefaultCell();
    cell.setTransformationIdentifier(AssignFunction.ID);
    ListMultimap<String, ParameterValue> parameters = ArrayListMultimap.create();
    parameters.put(AssignFunction.PARAMETER_VALUE, new ParameterValue(ASSIGN_VALUE));
    cell.setTarget(getLocalIdTargetProperty());
    cell.setTransformationParameters(parameters);
    AssignHandler assignHandler = new AssignHandler();
    AttributeMappingType attrMapping = assignHandler.handlePropertyTransformation(typeCell, cell, new AppSchemaMappingContext(mappingWrapper));
    assertEquals(OCQL, attrMapping.getSourceExpression().getOCQL());
    assertEquals(TARGET_LOCAL_ID, attrMapping.getTargetAttribute());
    // bound version of "Assign"
    DefaultCell cellCopy = new DefaultCell(cell);
    Collection<Property> anchor = getUuidSourceProperty(unitDenormType).values();
    ListMultimap<String, Property> source = ArrayListMultimap.create();
    source.putAll(AssignFunction.ENTITY_ANCHOR, anchor);
    cellCopy.setSource(source);
    cellCopy.setTransformationIdentifier(AssignFunction.ID_BOUND);
    attrMapping = assignHandler.handlePropertyTransformation(typeCell, cellCopy, new AppSchemaMappingContext(mappingWrapper));
    assertEquals(OCQL_BOUND, attrMapping.getSourceExpression().getOCQL());
    assertEquals(TARGET_LOCAL_ID, attrMapping.getTargetAttribute());
}

Example 3 with AssignHandler

use of eu.esdihumboldt.hale.io.appschema.writer.internal.AssignHandler in project hale by halestudio.

the class AppSchemaMappingTest method testXmlAttributeEncodingUnqualified.

@Test
public void testXmlAttributeEncodingUnqualified() {
    final String CODE_SPACE = "http://www.example.com/codespace";
    final String OCQL = "'" + CODE_SPACE + "'";
    DefaultCell cell = new DefaultCell();
    cell.setTransformationIdentifier(AssignFunction.ID);
    ListMultimap<String, ParameterValue> parameters = ArrayListMultimap.create();
    parameters.put(AssignFunction.PARAMETER_VALUE, new ParameterValue(CODE_SPACE));
    cell.setTransformationParameters(parameters);
    cell.setTarget(getCodeSpaceTargetProperty());
    AssignHandler handler = new AssignHandler();
    AttributeMappingType attrMapping = handler.handlePropertyTransformation(getDefaultTypeCell(unitDenormType, landCoverUnitType), cell, new AppSchemaMappingContext(mappingWrapper));
    assertNull(attrMapping.getSourceExpression());
    assertEquals("gml:name", attrMapping.getTargetAttribute());
    assertNotNull(attrMapping.getClientProperty());
    assertEquals(1, attrMapping.getClientProperty().size());
    ClientProperty attr = attrMapping.getClientProperty().get(0);
    assertEquals("codeSpace", attr.getName());
    assertEquals(OCQL, attr.getValue());
}

Example 4 with AssignHandler

use of eu.esdihumboldt.hale.io.appschema.writer.internal.AssignHandler in project hale by halestudio.

the class AppSchemaMappingTest method testXmlAttributeEncodingQualified.

@Test
public void testXmlAttributeEncodingQualified() {
    final String GML_ID = "ti.ds.landcover";
    final String OCQL = "'" + GML_ID + "'";
    DefaultCell cell = new DefaultCell();
    cell.setTransformationIdentifier(AssignFunction.ID);
    ListMultimap<String, ParameterValue> parameters = ArrayListMultimap.create();
    parameters.put(AssignFunction.PARAMETER_VALUE, new ParameterValue(GML_ID));
    cell.setTransformationParameters(parameters);
    cell.setTarget(getTimeInstantGmlIdTargetProperty());
    AssignHandler handler = new AssignHandler();
    AttributeMappingType attrMapping = handler.handlePropertyTransformation(getDefaultTypeCell(datasetType, landCoverDatasetType), cell, new AppSchemaMappingContext(mappingWrapper));
    assertNull(attrMapping.getSourceExpression());
    assertEquals("lcv:extent/gmd:EX_Extent/gmd:temporalElement/gmd:EX_TemporalExtent/gmd:extent/gml:TimeInstant", attrMapping.getTargetAttribute());
    assertNotNull(attrMapping.getClientProperty());
    assertEquals(1, attrMapping.getClientProperty().size());
    ClientProperty attr = attrMapping.getClientProperty().get(0);
    assertEquals("gml:id", attr.getName());
    assertEquals(OCQL, attr.getValue());
}

Example 5 with AssignHandler

use of eu.esdihumboldt.hale.io.appschema.writer.internal.AssignHandler in project hale by halestudio.

the class AppSchemaMappingTest method testNillable.

@Test
public void testNillable() {
    final String nilReason = "missing";
    final String nilReasonCQL = "'" + nilReason + "'";
    final String expectedXsiNilWithSource = "if_then_else(isNull(" + SOURCE_UNIT_ID + "), 'true', Expression.NIL)";
    DefaultCell renameBeginLifespan = new DefaultCell();
    renameBeginLifespan.setTransformationIdentifier(RenameFunction.ID);
    renameBeginLifespan.setSource(getUnitIdSourceProperty(unitType));
    renameBeginLifespan.setTarget(getBeginLifespanTargetProperty());
    DefaultCell assignNilReason = new DefaultCell();
    assignNilReason.setTransformationIdentifier(AssignFunction.ID);
    ListMultimap<String, ParameterValue> parameters = ArrayListMultimap.create();
    parameters.put(AssignFunction.PARAMETER_VALUE, new ParameterValue(nilReason));
    assignNilReason.setTarget(getBeginLifespanNilReasonTargetProperty());
    assignNilReason.setTransformationParameters(parameters);
    Cell typeCell = getDefaultTypeCell(unitType, landCoverUnitType);
    AttributeMappingType attrMapping = null;
    AppSchemaMappingContext context = new AppSchemaMappingContext(mappingWrapper);
    AssignHandler assignHandler = new AssignHandler();
    attrMapping = assignHandler.handlePropertyTransformation(typeCell, assignNilReason, context);
    assertNotNull(attrMapping);
    assertEquals("lcv:beginLifespanVersion", attrMapping.getTargetAttribute());
    assertNull(attrMapping.getSourceExpression());
    assertEquals(2, attrMapping.getClientProperty().size());
    assertEquals(GML_NIL_REASON, attrMapping.getClientProperty().get(0).getName());
    assertEquals(nilReasonCQL, attrMapping.getClientProperty().get(0).getValue());
    assertEquals("xsi:nil", attrMapping.getClientProperty().get(1).getName());
    assertEquals("if_then_else(isNull(" + nilReasonCQL + "), Expression.NIL, 'true')", attrMapping.getClientProperty().get(1).getValue());
    assertTrue(attrMapping.isEncodeIfEmpty());
    // element mapping should cause xsi:nil expression being overridden
    RenameHandler renameHandler = new RenameHandler();
    attrMapping = renameHandler.handlePropertyTransformation(typeCell, renameBeginLifespan, context);
    assertNotNull(attrMapping);
    assertNotNull(attrMapping.getSourceExpression());
    assertEquals(SOURCE_UNIT_ID, attrMapping.getSourceExpression().getOCQL());
    assertEquals("lcv:beginLifespanVersion", attrMapping.getTargetAttribute());
    assertEquals(2, attrMapping.getClientProperty().size());
    boolean xsiNilFound = false;
    for (ClientProperty property : attrMapping.getClientProperty()) {
        if ("xsi:nil".equals(property.getName())) {
            assertEquals(expectedXsiNilWithSource, property.getValue());
            xsiNilFound = true;
        }
    }
    assertTrue(xsiNilFound);
    assertTrue(attrMapping.isEncodeIfEmpty());
    // remove nilReason client property
    attrMapping.getClientProperty().remove(0);
    // run again assing handler, nothing should change
    attrMapping = assignHandler.handlePropertyTransformation(typeCell, assignNilReason, context);
    assertEquals(2, attrMapping.getClientProperty().size());
    assertEquals("xsi:nil", attrMapping.getClientProperty().get(0).getName());
    assertEquals(expectedXsiNilWithSource, attrMapping.getClientProperty().get(0).getValue());
}