private void sendResults(
final DataRequest request,
final ODataSQLBuilder visitor,
final BaseResponse queryResponse,
EntitySetResponse response)
throws ODataApplicationException, SerializerException {
if (request.getPreference(ODATA_MAXPAGESIZE) != null) {
response.writeHeader(
PREFERENCE_APPLIED,
ODATA_MAXPAGESIZE + "=" + request.getPreference(ODATA_MAXPAGESIZE)); // $NON-NLS-1$
}
EntityCollectionResponse result = (EntityCollectionResponse) queryResponse;
if (result.getNextToken() != null) {
try {
String nextUri =
request.getODataRequest().getRawBaseUri()
+ request.getODataRequest().getRawODataPath()
+ "?"
+ buildNextToken(
request.getODataRequest().getRawQueryPath(), result.getNextToken());
result.setNext(new URI(nextUri));
} catch (URISyntaxException e) {
throw new ODataApplicationException(e.getMessage(), 500, Locale.getDefault(), e);
} catch (MalformedURLException e) {
throw new ODataApplicationException(e.getMessage(), 500, Locale.getDefault(), e);
}
}
response.writeReadEntitySet(visitor.getContext().getEdmEntityType(), result);
}
private BaseResponse executeQuery(
final ServiceRequest request,
boolean countRequest,
final ODataSQLBuilder visitor,
Query query)
throws SQLException {
if (countRequest) {
return getClient().executeCount(query, visitor.getParameters());
} else {
String pageSize = getPageSize(request);
QueryResponse result =
new EntityCollectionResponse(
request.getODataRequest().getRawBaseUri(), visitor.getContext());
if (visitor.getContext() instanceof CrossJoinNode) {
result =
new CrossJoinResult(
request.getODataRequest().getRawBaseUri(), (CrossJoinNode) visitor.getContext());
} else if (visitor.getContext() instanceof ComplexDocumentNode) {
ComplexDocumentNode cdn = (ComplexDocumentNode) visitor.getContext();
result = new OperationResponseImpl(cdn.getProcedureReturn());
}
getClient()
.executeSQL(
query,
visitor.getParameters(),
visitor.includeTotalSize(),
visitor.getSkip(),
visitor.getTop(),
visitor.getNextToken(),
Integer.parseInt(pageSize),
result);
return result;
}
}
private <T extends ServiceResponse> void invokeOperation(
final OperationRequest request, OperationParameterValueProvider parameters, T response)
throws ODataApplicationException, ODataLibraryException {
checkExpand(request.getUriInfo().asUriInfoResource());
final ODataSQLBuilder visitor =
new ODataSQLBuilder(
odata,
getClient().getMetadataStore(),
this.prepared,
true,
request.getODataRequest().getRawBaseUri(),
this.serviceMetadata,
this.nameGenerator);
visitor.setOperationParameterValueProvider(parameters);
visitor.visit(request.getUriInfo());
final OperationResponseImpl queryResponse;
try {
if (visitor.getContext() instanceof NoDocumentNode) {
NoDocumentNode cdn = (NoDocumentNode) visitor.getContext();
ProcedureReturn procReturn = cdn.getProcedureReturn();
queryResponse = new OperationResponseImpl(procReturn);
getClient().executeCall(cdn.getQuery(), visitor.getParameters(), procReturn, queryResponse);
} else {
Query query = visitor.selectQuery();
queryResponse =
(OperationResponseImpl) executeQuery(request, request.isCountRequest(), visitor, query);
}
} catch (Throwable e) {
throw new ODataApplicationException(
e.getMessage(),
HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(),
Locale.getDefault(),
e);
}
/*
try {
MetadataStore store = getClient().getMetadataStore();
ProcedureSQLBuilder builder = new ProcedureSQLBuilder(store.getSchema(schemaName), request);
ProcedureReturn procedureReturn = builder.getReturn();
result = new OperationResponseImpl(procedureReturn);
getClient().executeCall(builder.buildProcedureSQL(), builder.getSqlParameters(), procedureReturn, result);
} catch (SQLException e) {
throw new ODataApplicationException(e.getMessage(),
HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(),
Locale.getDefault(), e);
} catch (TeiidException e) {
throw new ODataApplicationException(e.getMessage(),
HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(),
Locale.getDefault(), e);
}
*/
final OperationResponseImpl operationResult = queryResponse;
response.accepts(
new ServiceResponseVisior() {
@Override
public void visit(PropertyResponse response)
throws ODataLibraryException, ODataApplicationException {
Property property = (Property) operationResult.getResult();
Object value = property.getValue();
if (value instanceof SQLXML || value instanceof Blob || value instanceof Clob) {
try {
handleLobResult(getClient().getProperty(Client.CHARSET), value, response);
} catch (SQLException e) {
LogManager.logDetail(LogConstants.CTX_ODATA, e);
response.writeServerError(true);
}
} else {
response.writeProperty(request.getReturnType().getType(), property);
}
}
});
}
@Override
public void createEntity(DataRequest request, Entity entity, EntityResponse response)
throws ODataLibraryException, ODataApplicationException {
EdmEntityType entityType = request.getEntitySet().getEntityType();
String txn;
try {
txn = getClient().startTransaction();
} catch (SQLException e) {
throw new ODataApplicationException(
e.getMessage(),
HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(),
Locale.getDefault(),
e);
}
boolean success = false;
try {
List<ExpandNode> expands = new ArrayList<TeiidServiceHandler.ExpandNode>();
UpdateResponse updateResponse =
performDeepInsert(
request.getODataRequest().getRawBaseUri(),
request.getUriInfo(),
entityType,
entity,
expands);
if (updateResponse != null && updateResponse.getUpdateCount() == 1) {
ODataSQLBuilder visitor =
new ODataSQLBuilder(
this.odata,
getClient().getMetadataStore(),
true,
false,
request.getODataRequest().getRawBaseUri(),
this.serviceMetadata,
this.nameGenerator);
Query query =
visitor.selectWithEntityKey(
entityType, entity, updateResponse.getGeneratedKeys(), expands);
LogManager.logDetail(
LogConstants.CTX_ODATA,
null,
"created entity = ",
entityType.getName(),
" with key=",
query.getCriteria().toString()); // $NON-NLS-1$ //$NON-NLS-2$
EntityCollectionResponse result =
new EntityCollectionResponse(
request.getODataRequest().getRawBaseUri(), visitor.getContext());
getClient().executeSQL(query, visitor.getParameters(), false, null, null, null, 1, result);
if (!result.getEntities().isEmpty()) {
entity = result.getEntities().get(0);
String location =
EntityResponse.buildLocation(
request.getODataRequest().getRawBaseUri(),
entity,
request.getEntitySet().getName(),
entityType);
entity.setId(new URI(location));
}
response.writeCreatedEntity(request.getEntitySet(), entity);
} else {
response.writeNotModified();
}
getClient().commit(txn);
success = true;
} catch (SQLException e) {
throw new ODataApplicationException(
e.getMessage(),
HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(),
Locale.getDefault(),
e);
} catch (URISyntaxException e) {
throw new ODataApplicationException(
e.getMessage(),
HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(),
Locale.getDefault(),
e);
} catch (TeiidException e) {
throw new ODataApplicationException(
e.getMessage(),
HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(),
Locale.getDefault(),
e);
} catch (EdmPrimitiveTypeException e) {
throw new ODataApplicationException(
e.getMessage(),
HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(),
Locale.getDefault(),
e);
} finally {
if (!success) {
try {
getClient().rollback(txn);
} catch (SQLException e1) {
// ignore
}
}
}
}
