static OProperty<?> buildPropery(
String propName, EdmType type, Object value, String invalidCharacterReplacement)
throws TransformationException, SQLException, IOException {
if (!(type instanceof EdmSimpleType)) {
if (type instanceof EdmCollectionType) {
EdmCollectionType collectionType = (EdmCollectionType) type;
EdmType componentType = collectionType.getItemType();
Builder<OObject> b = OCollections.newBuilder(componentType);
if (value instanceof Array) {
value = ((Array) value).getArray();
}
int length = java.lang.reflect.Array.getLength(value);
for (int i = 0; i < length; i++) {
Object o = java.lang.reflect.Array.get(value, i);
OProperty p = buildPropery("x", componentType, o, invalidCharacterReplacement);
if (componentType instanceof EdmSimpleType) {
b.add(OSimpleObjects.create((EdmSimpleType) componentType, p.getValue()));
} else {
throw new AssertionError("Multi-dimensional arrays are not yet supported.");
// b.add((OCollection)p.getValue());
}
}
return OProperties.collection(propName, collectionType, b.build());
}
throw new AssertionError("non-simple types are not yet supported");
}
EdmSimpleType expectedType = (EdmSimpleType) type;
if (value == null) {
return OProperties.null_(propName, expectedType);
}
Class<?> sourceType = DataTypeManager.getRuntimeType(value.getClass());
Class<?> targetType =
DataTypeManager.getDataTypeClass(
ODataTypeManager.teiidType(expectedType.getFullyQualifiedTypeName()));
if (sourceType != targetType) {
Transform t = DataTypeManager.getTransform(sourceType, targetType);
if (t == null && BlobType.class == targetType) {
if (sourceType == ClobType.class) {
return OProperties.binary(propName, ClobType.getString((Clob) value).getBytes());
}
if (sourceType == SQLXML.class) {
return OProperties.binary(propName, ((SQLXML) value).getString().getBytes());
}
}
value = DataTypeManager.convertToRuntimeType(value, true);
value = t != null ? t.transform(value, targetType) : value;
value = replaceInvalidCharacters(expectedType, value, invalidCharacterReplacement);
if (value instanceof BinaryType) {
value = ((BinaryType) value).getBytesDirect();
}
return OProperties.simple(propName, expectedType, value);
}
value = replaceInvalidCharacters(expectedType, value, invalidCharacterReplacement);
return OProperties.simple(propName, expectedType, value);
}
private static void buildFunctionImports(MetadataStore metadataStore, List<Builder> edmSchemas) {
for (Schema schema : metadataStore.getSchemaList()) {
EdmSchema.Builder odataSchema = findSchema(edmSchemas, schema.getName());
EdmEntityContainer.Builder entityContainer =
findEntityContainer(edmSchemas, schema.getName());
// procedures
for (Procedure proc : schema.getProcedures().values()) {
EdmFunctionImport.Builder edmProcedure = EdmFunctionImport.newBuilder();
edmProcedure.setName(proc.getName());
String httpMethod = "POST";
for (ProcedureParameter pp : proc.getParameters()) {
if (pp.getName().equals("return")) {
httpMethod = "GET";
edmProcedure.setReturnType(
ODataTypeManager.odataType(pp.getDatatype().getRuntimeTypeName()));
continue;
}
EdmFunctionParameter.Builder param = EdmFunctionParameter.newBuilder();
param.setName(pp.getName());
param.setType(ODataTypeManager.odataType(pp.getDatatype().getRuntimeTypeName()));
if (pp.getType() == ProcedureParameter.Type.In) {
param.setMode(Mode.In);
} else if (pp.getType() == ProcedureParameter.Type.InOut) {
param.setMode(Mode.InOut);
} else if (pp.getType() == ProcedureParameter.Type.Out) {
param.setMode(Mode.Out);
}
param.setNullable(pp.getNullType() == NullType.Nullable);
edmProcedure.addParameters(param);
}
// add a complex type for return resultset.
ColumnSet<Procedure> returnColumns = proc.getResultSet();
if (returnColumns != null) {
httpMethod = "GET";
EdmComplexType.Builder complexType = EdmComplexType.newBuilder();
complexType.setName(proc.getName() + "_" + returnColumns.getName());
complexType.setNamespace(schema.getName());
for (Column c : returnColumns.getColumns()) {
EdmProperty.Builder property =
EdmProperty.newBuilder(c.getName())
.setType(ODataTypeManager.odataType(c.getDatatype().getRuntimeTypeName()))
.setNullable(c.getNullType() == NullType.Nullable);
if (c.getDatatype()
.getRuntimeTypeName()
.equals(DataTypeManager.DefaultDataTypes.STRING)) {
property
.setFixedLength(c.isFixedLength())
.setMaxLength(c.getLength())
.setUnicode(true);
}
complexType.addProperties(property);
}
odataSchema.addComplexTypes(complexType);
edmProcedure.setIsCollection(true);
edmProcedure.setReturnType(
EdmCollectionType.newBuilder()
.setCollectionType(complexType)
.setKind(CollectionKind.Collection));
}
edmProcedure.setHttpMethod(httpMethod);
entityContainer.addFunctionImports(edmProcedure);
}
}
}
private static void buildEntityTypes(
MetadataStore metadataStore, List<EdmSchema.Builder> edmSchemas) {
for (Schema schema : metadataStore.getSchemaList()) {
List<EdmEntitySet.Builder> entitySets = new ArrayList<EdmEntitySet.Builder>();
List<EdmEntityType.Builder> entityTypes = new ArrayList<EdmEntityType.Builder>();
for (Table table : schema.getTables().values()) {
KeyRecord primaryKey = table.getPrimaryKey();
List<KeyRecord> uniques = table.getUniqueKeys();
if (primaryKey == null && uniques.isEmpty()) {
LogManager.logDetail(
LogConstants.CTX_ODATA,
ODataPlugin.Util.gs(ODataPlugin.Event.TEIID16002, table.getFullName()));
continue;
}
EdmEntityType.Builder entityType =
EdmEntityType.newBuilder().setName(table.getName()).setNamespace(schema.getName());
// adding key
if (primaryKey != null) {
for (Column c : primaryKey.getColumns()) {
entityType.addKeys(c.getName());
}
} else {
for (Column c : uniques.get(0).getColumns()) {
entityType.addKeys(c.getName());
}
}
// adding properties
for (Column c : table.getColumns()) {
EdmProperty.Builder property =
EdmProperty.newBuilder(c.getName())
.setType(ODataTypeManager.odataType(c.getDatatype().getRuntimeTypeName()))
.setNullable(c.getNullType() == NullType.Nullable);
if (c.getDatatype()
.getRuntimeTypeName()
.equals(DataTypeManager.DefaultDataTypes.STRING)) {
property.setFixedLength(c.isFixedLength()).setMaxLength(c.getLength()).setUnicode(true);
}
entityType.addProperties(property);
}
// entity set one for one entity type
EdmEntitySet.Builder entitySet =
EdmEntitySet.newBuilder().setName(table.getName()).setEntityType(entityType);
entityType.setNamespace(schema.getName());
entitySets.add(entitySet);
// add enitity types for entity schema
entityTypes.add(entityType);
}
// entity container is holder entity sets, association sets, function imports
EdmEntityContainer.Builder entityContainer =
EdmEntityContainer.newBuilder()
.setName(schema.getName())
.setIsDefault(false)
.addEntitySets(entitySets);
// build entity schema
EdmSchema.Builder modelSchema =
EdmSchema.newBuilder()
.setNamespace(schema.getName())
.addEntityTypes(entityTypes)
.addEntityContainers(entityContainer);
edmSchemas.add(modelSchema);
}
}
@Override
public BaseResponse executeCall(String sql, List<SQLParam> parameters, EdmType returnType) {
ConnectionImpl connection = null;
try {
LogManager.logDetail(LogConstants.CTX_ODATA, "Teiid-Query:", sql); // $NON-NLS-1$
connection = getConnection();
final CallableStatementImpl stmt = connection.prepareCall(sql);
int i = 1;
if (returnType != null && returnType.isSimple()) {
stmt.registerOutParameter(
i++,
JDBCSQLTypeInfo.getSQLType(
ODataTypeManager.teiidType(returnType.getFullyQualifiedTypeName())));
}
if (!parameters.isEmpty()) {
for (SQLParam param : parameters) {
stmt.setObject(i++, param.value, param.sqlType);
}
}
boolean results = stmt.execute();
if (results) {
final ResultSet rs = stmt.getResultSet();
OCollection.Builder resultRows =
OCollections.newBuilder(
(EdmComplexType) ((EdmCollectionType) returnType).getItemType());
while (rs.next()) {
int idx = 1;
List<OProperty<?>> row = new ArrayList<OProperty<?>>();
Iterator<EdmProperty> props =
((EdmComplexType) ((EdmCollectionType) returnType).getItemType())
.getProperties()
.iterator();
while (props.hasNext()) {
EdmProperty prop = props.next();
row.add(
buildPropery(
prop.getName(),
prop.getType(),
rs.getObject(idx++),
invalidCharacterReplacement));
}
OComplexObject erow =
OComplexObjects.create(
(EdmComplexType) ((EdmCollectionType) returnType).getItemType(), row);
resultRows.add(erow);
}
String collectionName = returnType.getFullyQualifiedTypeName();
collectionName = collectionName.replace("(", "_"); // $NON-NLS-1$ //$NON-NLS-2$
collectionName = collectionName.replace(")", "_"); // $NON-NLS-1$ //$NON-NLS-2$
return Responses.collection(resultRows.build(), null, null, null, collectionName);
}
if (returnType != null) {
Object result = stmt.getObject(1);
OProperty prop =
buildPropery("return", returnType, result, invalidCharacterReplacement); // $NON-NLS-1$
return Responses.property(prop);
}
return null;
} catch (Exception e) {
throw new ServerErrorException(e.getMessage(), e);
} finally {
if (connection != null) {
try {
connection.close();
} catch (SQLException e) {
}
}
}
}
