BUG-5626: remove CompositeModification(ByteString)Payload

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / ShardRecoveryCoordinator.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardRecoveryCoordinator.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardRecoveryCoordinator.java
index 797641978d2cd47cc7eed57c12e77e2334cb943c..dae3383a2e10eb78a83798b2a5dd52de7000f891 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardRecoveryCoordinator.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardRecoveryCoordinator.java
@@ -7,20 +7,17 @@
  */
 package org.opendaylight.controller.cluster.datastore;
 
+import com.google.common.base.Preconditions;
 import java.io.IOException;
-import org.opendaylight.controller.cluster.datastore.modification.ModificationPayload;
-import org.opendaylight.controller.cluster.datastore.modification.MutableCompositeModification;
+import org.opendaylight.controller.cluster.datastore.utils.PruningDataTreeModification;
 import org.opendaylight.controller.cluster.datastore.utils.SerializationUtils;
 import org.opendaylight.controller.cluster.raft.RaftActorRecoveryCohort;
-import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationByteStringPayload;
-import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationPayload;
 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidates;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 import org.slf4j.Logger;
 
 /**
@@ -33,56 +30,48 @@ import org.slf4j.Logger;
  * @author Thomas Pantelis
  */
 class ShardRecoveryCoordinator implements RaftActorRecoveryCohort {
-    private static final YangInstanceIdentifier ROOT = YangInstanceIdentifier.builder().build();
-    private final DataTree store;
+    private final ShardDataTree store;
     private final String shardName;
     private final Logger log;
-    private DataTreeModification transaction;
+    private final SchemaContext schemaContext;
+    private PruningDataTreeModification transaction;
     private int size;
+    private final byte[] restoreFromSnapshot;
 
-    ShardRecoveryCoordinator(ShardDataTree store, String shardName, Logger log) {
-        this.store = store.getDataTree();
+    ShardRecoveryCoordinator(ShardDataTree store, SchemaContext schemaContext, byte[] restoreFromSnapshot,
+            String shardName, Logger log) {
+        this.store = Preconditions.checkNotNull(store);
+        this.restoreFromSnapshot = restoreFromSnapshot;
         this.shardName = shardName;
         this.log = log;
+        this.schemaContext = schemaContext;
     }
 
     @Override
     public void startLogRecoveryBatch(int maxBatchSize) {
         log.debug("{}: starting log recovery batch with max size {}", shardName, maxBatchSize);
-        transaction = store.takeSnapshot().newModification();
+        transaction = new PruningDataTreeModification(store.newModification(), store.getDataTree(), schemaContext);
         size = 0;
     }
 
     @Override
     public void appendRecoveredLogEntry(Payload payload) {
+        Preconditions.checkState(transaction != null, "call startLogRecovery before calling appendRecoveredLogEntry");
+
         try {
             if (payload instanceof DataTreeCandidatePayload) {
                 DataTreeCandidates.applyToModification(transaction, ((DataTreeCandidatePayload)payload).getCandidate());
                 size++;
-            } else if (payload instanceof ModificationPayload) {
-                MutableCompositeModification.fromSerializable(
-                    ((ModificationPayload) payload).getModification()).apply(transaction);
-                size++;
-            } else if (payload instanceof CompositeModificationPayload) {
-                MutableCompositeModification.fromSerializable(
-                    ((CompositeModificationPayload) payload).getModification()).apply(transaction);
-                size++;
-            } else if (payload instanceof CompositeModificationByteStringPayload) {
-                MutableCompositeModification.fromSerializable(
-                        ((CompositeModificationByteStringPayload) payload).getModification()).apply(transaction);
-                size++;
             } else {
                 log.error("{}: Unknown payload {} received during recovery", shardName, payload);
             }
-        } catch (IOException | ClassNotFoundException e) {
+        } catch (IOException e) {
             log.error("{}: Error extracting ModificationPayload", shardName, e);
         }
     }
 
-    private void commitTransaction(DataTreeModification tx) throws DataValidationFailedException {
-        tx.ready();
-        store.validate(tx);
-        store.commit(store.prepare(tx));
+    private void commitTransaction(PruningDataTreeModification tx) throws DataValidationFailedException {
+        store.commit(tx.getResultingModification());
     }
 
     /**
@@ -90,6 +79,8 @@ class ShardRecoveryCoordinator implements RaftActorRecoveryCohort {
      */
     @Override
     public void applyCurrentLogRecoveryBatch() {
+        Preconditions.checkState(transaction != null, "call startLogRecovery before calling applyCurrentLogRecoveryBatch");
+
         log.debug("{}: Applying current log recovery batch with size {}", shardName, size);
         try {
             commitTransaction(transaction);
@@ -109,12 +100,18 @@ class ShardRecoveryCoordinator implements RaftActorRecoveryCohort {
         log.debug("{}: Applying recovered snapshot", shardName);
 
         final NormalizedNode<?, ?> node = SerializationUtils.deserializeNormalizedNode(snapshotBytes);
-        final DataTreeModification tx = store.takeSnapshot().newModification();
-        tx.write(ROOT, node);
+        final PruningDataTreeModification tx = new PruningDataTreeModification(store.newModification(),
+                store.getDataTree(), schemaContext);
+        tx.write(YangInstanceIdentifier.EMPTY, node);
         try {
             commitTransaction(tx);
         } catch (DataValidationFailedException e) {
             log.error("{}: Failed to apply recovery snapshot", shardName, e);
         }
     }
+
+    @Override
+    public byte[] getRestoreFromSnapshot() {
+        return restoreFromSnapshot;
+    }
 }