Gh-3299: Add ChangeGraphId operation to POC simple federated store

store-implementation/simple-federated-store/pom.xml

@@ -38,17 +38,16 @@
             <artifactId>graph</artifactId>
             <version>${project.parent.version}</version>
         </dependency>
-
-        <!-- Test dependencies -->
         <dependency>
             <groupId>uk.gov.gchq.gaffer</groupId>
-            <artifactId>map-store</artifactId>
+            <artifactId>accumulo-store</artifactId>
             <version>${project.parent.version}</version>
-            <scope>test</scope>
         </dependency>
+
+        <!-- Test dependencies -->
         <dependency>
             <groupId>uk.gov.gchq.gaffer</groupId>
-            <artifactId>accumulo-store</artifactId>
+            <artifactId>map-store</artifactId>
             <version>${project.parent.version}</version>
             <scope>test</scope>
         </dependency>

store-implementation/simple-federated-store/src/main/java/uk/gov/gchq/gaffer/federated/simple/FederatedStore.java

@@ -19,6 +19,8 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import uk.gov.gchq.gaffer.accumulostore.AccumuloProperties;
+import uk.gov.gchq.gaffer.accumulostore.AccumuloStore;
 import uk.gov.gchq.gaffer.cache.Cache;
 import uk.gov.gchq.gaffer.cache.CacheServiceLoader;
 import uk.gov.gchq.gaffer.cache.exception.CacheOperationException;
@@ -27,6 +29,7 @@
 import uk.gov.gchq.gaffer.data.element.Element;
 import uk.gov.gchq.gaffer.data.element.id.EntityId;
 import uk.gov.gchq.gaffer.federated.simple.operation.AddGraph;
+import uk.gov.gchq.gaffer.federated.simple.operation.ChangeGraphId;
 import uk.gov.gchq.gaffer.federated.simple.operation.GetAllGraphIds;
 import uk.gov.gchq.gaffer.federated.simple.operation.GetAllGraphInfo;
 import uk.gov.gchq.gaffer.federated.simple.operation.RemoveGraph;
@@ -36,6 +39,7 @@
 import uk.gov.gchq.gaffer.federated.simple.operation.handler.get.GetAllGraphIdsHandler;
 import uk.gov.gchq.gaffer.federated.simple.operation.handler.get.GetAllGraphInfoHandler;
 import uk.gov.gchq.gaffer.federated.simple.operation.handler.get.GetSchemaHandler;
+import uk.gov.gchq.gaffer.federated.simple.operation.handler.misc.ChangeGraphIdHandler;
 import uk.gov.gchq.gaffer.federated.simple.operation.handler.misc.RemoveGraphHandler;
 import uk.gov.gchq.gaffer.graph.GraphSerialisable;
 import uk.gov.gchq.gaffer.operation.Operation;
@@ -71,6 +75,7 @@
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+import static uk.gov.gchq.gaffer.accumulostore.utils.TableUtils.renameTable;
 import static uk.gov.gchq.gaffer.cache.CacheServiceLoader.DEFAULT_SERVICE_NAME;
 import static uk.gov.gchq.gaffer.federated.simple.FederatedStoreProperties.PROP_DEFAULT_GRAPH_IDS;
 
@@ -82,6 +87,7 @@
 public class FederatedStore extends Store {
     private static final Logger LOGGER = LoggerFactory.getLogger(FederatedStore.class);
     private static final String DEFAULT_CACHE_CLASS_FALLBACK = "uk.gov.gchq.gaffer.cache.impl.HashMapCacheService";
+    private static final String GRAPH_ID_ERROR = "Graph with Graph ID: %s is not available to this federated store";
 
     // Default graph IDs to execute on
     private List<String> defaultGraphIds = new LinkedList<>();
@@ -94,6 +100,7 @@
             new SimpleEntry<>(AddGraph.class, new AddGraphHandler()),
             new SimpleEntry<>(GetAllGraphIds.class, new GetAllGraphIdsHandler()),
             new SimpleEntry<>(GetSchema.class, new GetSchemaHandler()),
+            new SimpleEntry<>(ChangeGraphId.class, new ChangeGraphIdHandler()),
             new SimpleEntry<>(GetAllGraphInfo.class, new GetAllGraphInfoHandler()),
             new SimpleEntry<>(RemoveGraph.class, new RemoveGraphHandler()))
         .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
@@ -128,7 +135,7 @@
     public void removeGraph(final String graphId) {
         if (!graphCache.contains(graphId)) {
             throw new IllegalArgumentException(
-                "Graph with Graph ID: '" + graphId + "' is not available to this federated store");
+                String.format(GRAPH_ID_ERROR, graphId));
         }
         graphCache.deleteFromCache(graphId);
     }
@@ -146,7 +153,7 @@
         GraphSerialisable graph = graphCache.getFromCache(graphId);
         if (graph == null) {
             throw new IllegalArgumentException(
-                "Graph with Graph ID: '" + graphId + "' is not available to this federated store");
+                String.format(GRAPH_ID_ERROR, graphId));
         }
         return graph;
     }
@@ -186,6 +193,43 @@
         this.defaultGraphIds = defaultGraphIds;
     }
 
+    /**
+     * Change the graph's ID for the specified graph.
+     *
+     * @param graphToUpdateId the graph that is to have its ID updated
+     * @param newGraphId the new graph ID
+     * @throws StoreException if the accumulo tables cannot be renamed
+     *
+     */
+    public void changeGraphId(final String graphToUpdateId, final String newGraphId) throws StoreException {
+        try {
+            final GraphSerialisable graphToUpdate = getGraph(graphToUpdateId);
+
+            // Remove from cache
+            removeGraph(graphToUpdateId);
+
+            if (graphToUpdate.getStoreProperties().getStoreClass().startsWith(AccumuloStore.class.getPackage().getName())) {
+                // Update accumulo tables with new graph ID
+                renameTable((AccumuloProperties) graphToUpdate.getStoreProperties(), graphToUpdateId, newGraphId);
+                // Update id in the original graph
+                graphToUpdate.getConfig().setGraphId(newGraphId);
+                GraphSerialisable updatedGraphSerialisable = new GraphSerialisable.Builder(graphToUpdate)
+                    .config(graphToUpdate.getConfig())
+                    .build();
+                // Add graph with new id back to cache
+                addGraph(updatedGraphSerialisable);
+            } else {
+                // For other stores just re-add with new graph ID
+                graphToUpdate.getConfig().setGraphId(newGraphId);
+                addGraph(graphToUpdate);
+            }
+
+        } catch (final CacheOperationException e) {
+            // Unknown issue getting graph from cache
+            throw new GafferRuntimeException(e.getMessage(), e);
+        }
+    }
+
     /**
      * Gets a merged schema based on the graphs specified.
      *

store-implementation/simple-federated-store/src/main/java/uk/gov/gchq/gaffer/federated/simple/operation/ChangeGraphId.java

@@ -0,0 +1,119 @@
+/*
+ * Copyright 2024 Crown Copyright
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package uk.gov.gchq.gaffer.federated.simple.operation;
+
+import org.apache.commons.lang3.exception.CloneFailedException;
+
+import uk.gov.gchq.gaffer.operation.Operation;
+import uk.gov.gchq.koryphe.Since;
+import uk.gov.gchq.koryphe.Summary;
+
+import java.util.Map;
+
+@Since("2.4.0")
+@Summary("Changes Graph ID")
+public class ChangeGraphId implements Operation {
+
+    private String graphId;
+    private String newGraphId;
+    private Map<String, String> options;
+
+    // Getters
+    /**
+     * Get the graph ID that will be changed.
+     *
+     * @return the graph ID
+     */
+    public String getGraphId() {
+        return graphId;
+    }
+
+    /**
+     * Get the new ID for the graph.
+     *
+     * @return the new graph ID
+     */
+    public String getNewGraphId() {
+        return newGraphId;
+    }
+
+    // Setters
+    /**
+     * Set the graph ID of the current graph.
+     *
+     * @param graphId the graph ID
+     */
+    public void setGraphId(final String graphId) {
+        this.graphId = graphId;
+    }
+
+     /**
+     * Set the new graph ID of the current graph.
+     *
+     * @param newGraphId the new Graph ID
+     */
+    public void setNewGraphId(final String newGraphId) {
+        this.newGraphId = newGraphId;
+    }
+
+    @Override
+    public Map<String, String> getOptions() {
+        return options;
+    }
+
+    @Override
+    public void setOptions(final Map<String, String> options) {
+        this.options = options;
+    }
+
+    @Override
+    public Operation shallowClone() throws CloneFailedException {
+        return new ChangeGraphId.Builder()
+            .graphId(graphId)
+            .newGraphId(newGraphId)
+            .options(options)
+            .build();
+    }
+
+    public static class Builder extends Operation.BaseBuilder<ChangeGraphId, Builder> {
+        public Builder() {
+            super(new ChangeGraphId());
+        }
+
+        /**
+         * Set the current graph ID
+         *
+         * @param graphId the graph ID to be changed
+         * @return the builder
+         */
+        public Builder graphId(final String graphId) {
+            _getOp().setGraphId(graphId);
+            return _self();
+        }
+
+        /**
+         * Set the new graph ID
+         *
+         * @param newGraphId the new graph ID
+         * @return the builder
+         */
+        public Builder newGraphId(final String newGraphId) {
+            _getOp().setNewGraphId(newGraphId);
+            return _self();
+        }
+    }
+}

store-implementation/simple-federated-store/src/main/java/uk/gov/gchq/gaffer/federated/simple/operation/handler/misc/ChangeGraphIdHandler.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2024 Crown Copyright
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package uk.gov.gchq.gaffer.federated.simple.operation.handler.misc;
+
+import uk.gov.gchq.gaffer.federated.simple.FederatedStore;
+import uk.gov.gchq.gaffer.federated.simple.operation.ChangeGraphId;
+import uk.gov.gchq.gaffer.operation.OperationException;
+import uk.gov.gchq.gaffer.store.Context;
+import uk.gov.gchq.gaffer.store.Store;
+import uk.gov.gchq.gaffer.store.StoreException;
+import uk.gov.gchq.gaffer.store.operation.handler.OperationHandler;
+
+public class ChangeGraphIdHandler implements OperationHandler<ChangeGraphId> {
+
+    @Override
+    public Object doOperation(final ChangeGraphId operation, final Context context, final Store store) throws OperationException {
+        try {
+            ((FederatedStore) store).changeGraphId(operation.getGraphId(), operation.getNewGraphId());
+        } catch (final StoreException e) {
+            throw new OperationException("Error changing graph ID", e);
+        }
+
+        // Nothing to return
+        return null;
+    }
+}