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 <T extends ServiceResponse> void read(final DataRequest request, T response)
throws ODataLibraryException, ODataApplicationException {
final ODataSQLBuilder visitor =
new ODataSQLBuilder(
odata,
getClient().getMetadataStore(),
this.prepared,
true,
request.getODataRequest().getRawBaseUri(),
this.serviceMetadata,
this.nameGenerator);
visitor.visit(request.getUriInfo());
final BaseResponse queryResponse;
try {
Query query = visitor.selectQuery();
queryResponse = executeQuery(request, request.isCountRequest(), visitor, query);
} catch (Throwable e) {
throw new ODataApplicationException(
e.getMessage(),
HttpStatusCode.INTERNAL_SERVER_ERROR.getStatusCode(),
Locale.getDefault(),
e);
}
response.accepts(
new ServiceResponseVisior() {
public void visit(CountResponse response)
throws ODataLibraryException, ODataApplicationException {
org.teiid.odata.api.CountResponse cr =
(org.teiid.odata.api.CountResponse) queryResponse;
response.writeCount(cr.getCount());
}
public void visit(PrimitiveValueResponse response)
throws ODataLibraryException, ODataApplicationException {
EntityCollection entitySet = (EntityCollection) queryResponse;
Entity entity = entitySet.getEntities().get(0);
EdmProperty edmProperty = request.getUriResourceProperty().getProperty();
Property property = entity.getProperty(edmProperty.getName());
if (property == null) {
response.writeNotFound(true);
} else if (property.getValue() == null) {
response.writeNoContent(true);
}
response.write(property.getValue());
}
public void visit(PropertyResponse response)
throws ODataLibraryException, ODataApplicationException {
EntityCollection entitySet = (EntityCollection) queryResponse;
if (!entitySet.getEntities().isEmpty()) {
Entity entity = entitySet.getEntities().get(0);
EdmProperty edmProperty = request.getUriResourceProperty().getProperty();
Property property = entity.getProperty(edmProperty.getName());
response.writeProperty(edmProperty.getType(), property);
} else {
response.writeNotFound(true);
}
}
public void visit(StreamResponse response)
throws ODataLibraryException, ODataApplicationException {
EntityCollectionResponse entitySet = (EntityCollectionResponse) queryResponse;
EdmProperty edmProperty = request.getUriResourceProperty().getProperty();
Object value = entitySet.getStream(edmProperty.getName());
if (value == null) {
response.writeNoContent(true);
} else {
try {
handleLobResult(getClient().getProperty(Client.CHARSET), value, response);
} catch (SQLException e) {
LogManager.logDetail(LogConstants.CTX_ODATA, e);
response.writeServerError(true);
}
}
}
public void visit(EntityResponse response)
throws ODataLibraryException, ODataApplicationException {
EntityCollection entitySet = (EntityCollection) queryResponse;
if (entitySet.getEntities().isEmpty()) {
if (visitor.hasNavigation()) {
response.writeNoContent(true);
} else {
response.writeNotFound(true);
}
} else {
response.writeReadEntity(
visitor.getContext().getEdmEntityType(), entitySet.getEntities().get(0));
}
}
public void visit(EntitySetResponse response)
throws ODataLibraryException, ODataApplicationException {
sendResults(request, visitor, queryResponse, response);
}
});
}