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-rw-r--r--src/main/java/org/openecomp/crud/dao/champ/ChampDao.java66
1 files changed, 49 insertions, 17 deletions
diff --git a/src/main/java/org/openecomp/crud/dao/champ/ChampDao.java b/src/main/java/org/openecomp/crud/dao/champ/ChampDao.java
index ff0a332..c8a68e7 100644
--- a/src/main/java/org/openecomp/crud/dao/champ/ChampDao.java
+++ b/src/main/java/org/openecomp/crud/dao/champ/ChampDao.java
@@ -43,6 +43,7 @@ import org.openecomp.crud.exception.CrudException;
import org.openecomp.crud.logging.CrudServiceMsgs;
import java.util.ArrayList;
+import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
@@ -74,6 +75,12 @@ public class ChampDao implements GraphDao {
public static final String DEFAULT_GRAPH_NAME = "default_graph";
+ private enum GraphType {
+ IN_MEMORY,
+ TITAN,
+ DSE
+ }
+
/**
* Set of configuration properties for the DAI.
*/
@@ -135,7 +142,7 @@ public class ChampDao implements GraphDao {
javax.ws.rs.core.Response.Status.NOT_FOUND);
}
- } catch (ChampUnmarshallingException e) {
+ } catch (ChampUnmarshallingException | ChampTransactionException e) {
// Something went wrong - throw an exception.
throw new CrudException(e.getMessage(),
@@ -189,6 +196,9 @@ public class ChampDao implements GraphDao {
// We couldn't find the specified vertex, so throw an exception.
throw new CrudException("No vertex with id " + id + " found in graph",
javax.ws.rs.core.Response.Status.NOT_FOUND);
+ } catch (ChampTransactionException e) {
+ throw new CrudException("Transaction error occured",
+ javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
}
}
@@ -215,7 +225,8 @@ public class ChampDao implements GraphDao {
} catch (ChampMarshallingException
| ChampSchemaViolationException
- | ChampObjectNotExistsException e) {
+ | ChampObjectNotExistsException
+ | ChampTransactionException e) {
// Something went wrong - throw an exception.
throw new CrudException(e.getMessage(),
@@ -246,6 +257,9 @@ public class ChampDao implements GraphDao {
} catch (NumberFormatException | ChampMarshallingException | ChampSchemaViolationException e) {
throw new CrudException(e.getMessage(),
javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ } catch (ChampTransactionException e) {
+ throw new CrudException("Transaction error occured",
+ javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
}
}
@@ -263,7 +277,14 @@ public class ChampDao implements GraphDao {
filter.put(org.openecomp.schema.OxmModelValidator.Metadata.NODE_TYPE.propertyName(), type);
- Stream<ChampObject> retrievedVertices = champApi.queryObjects(filter);
+ Stream<ChampObject> retrievedVertices;
+ try {
+ retrievedVertices = champApi.queryObjects(filter);
+
+ } catch (ChampTransactionException e) {
+ throw new CrudException("Transaction error occured",
+ javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ }
List<Vertex> vertices = retrievedVertices
.map(v -> vertexFromChampObject(v,type))
@@ -315,7 +336,7 @@ public class ChampDao implements GraphDao {
javax.ws.rs.core.Response.Status.NOT_FOUND);
}
- } catch (ChampUnmarshallingException e) {
+ } catch (ChampUnmarshallingException | ChampTransactionException e) {
// Something went wrong, so throw an exception.
throw new CrudException(e.getMessage(),
@@ -360,7 +381,7 @@ public class ChampDao implements GraphDao {
| ChampObjectNotExistsException
| ChampSchemaViolationException
| ChampRelationshipNotExistsException
- | ChampUnmarshallingException e) {
+ | ChampUnmarshallingException | NumberFormatException | ChampTransactionException e) {
throw new CrudException("Error creating edge: " + e.getMessage(),
javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
@@ -373,7 +394,15 @@ public class ChampDao implements GraphDao {
filter.put(ChampRelationship.ReservedPropertyKeys.CHAMP_RELATIONSHIP_TYPE.toString(), type);
- Stream<ChampRelationship> retrievedRelationships = champApi.queryRelationships(filter);
+ Stream<ChampRelationship> retrievedRelationships;
+ try {
+ retrievedRelationships = champApi.queryRelationships(filter);
+
+ } catch (ChampTransactionException e) {
+ throw new CrudException("Transaction error occured",
+ javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
+ }
+
// Process the result stream from the Champ library into an Edge list, keeping only
// edges of the specified type.
List<Edge> edges = retrievedRelationships
@@ -406,12 +435,15 @@ public class ChampDao implements GraphDao {
} catch (ChampRelationshipNotExistsException ex) {
throw new CrudException("Not Found", javax.ws.rs.core.Response.Status.NOT_FOUND);
- } catch (NumberFormatException | ChampUnmarshallingException | ChampMarshallingException
- | ChampSchemaViolationException ex) {
+ } catch (NumberFormatException |
+ ChampUnmarshallingException |
+ ChampMarshallingException |
+ ChampSchemaViolationException |
+ ChampTransactionException ex) {
throw new CrudException(ex.getMessage(),
javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
- }
+ }
}
@Override
@@ -445,8 +477,9 @@ public class ChampDao implements GraphDao {
} catch (NumberFormatException
- | ChampUnmarshallingException
- | ChampObjectNotExistsException e) {
+ | ChampUnmarshallingException
+ | ChampObjectNotExistsException
+ | ChampTransactionException e) {
throw new CrudException(e.getMessage(),
javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
@@ -474,7 +507,8 @@ public class ChampDao implements GraphDao {
} catch (ChampRelationshipNotExistsException
| NumberFormatException
- | ChampUnmarshallingException e) {
+ | ChampUnmarshallingException
+ | ChampTransactionException e) {
throw new CrudException(e.getMessage(),
javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
@@ -728,16 +762,16 @@ public class ChampDao implements GraphDao {
* @return - A {@link ChampAPI.Type}
* @throws CrudException
*/
- private ChampGraph.Type getBackendTypeFromConfig() throws CrudException {
+ private GraphType getBackendTypeFromConfig() throws CrudException {
// Get the back end type from the DAO's configuration properties.
String backend = daoConfig.getProperty(CONFIG_STORAGE_BACKEND, "in-memory");
// Now, find the appropriate ChampAPI type and return it.
if (backend.equals("in-memory")) {
- return ChampGraph.Type.IN_MEMORY;
+ return GraphType.IN_MEMORY;
} else if (backend.equals("titan")) {
- return ChampGraph.Type.TITAN;
+ return GraphType.TITAN;
}
// If we are here, then whatever was in the config properties didn't match to a supported
@@ -745,6 +779,4 @@ public class ChampDao implements GraphDao {
throw new CrudException("Invalid graph backend type '" + backend + "' specified.",
javax.ws.rs.core.Response.Status.BAD_REQUEST);
}
-
-
}