Fix modernization issues
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / TransactionProxy.java
index b04dd29a5888ff716fdcd3ba8ad038800a36613e..155bb1fd3e303cfe8aa929fb44322bad90e2e949 100644 (file)
@@ -7,14 +7,15 @@
  */
 package org.opendaylight.controller.cluster.datastore;
 
+import static com.google.common.base.Preconditions.checkState;
+import static java.util.Objects.requireNonNull;
+
 import akka.actor.ActorSelection;
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Function;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
 import com.google.common.base.Supplier;
 import com.google.common.collect.Iterables;
-import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.FluentFuture;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.MoreExecutors;
@@ -24,6 +25,7 @@ import java.util.Collection;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.Optional;
 import java.util.Set;
 import java.util.SortedSet;
 import java.util.TreeMap;
@@ -36,10 +38,8 @@ import org.opendaylight.controller.cluster.datastore.modification.AbstractModifi
 import org.opendaylight.controller.cluster.datastore.modification.DeleteModification;
 import org.opendaylight.controller.cluster.datastore.modification.MergeModification;
 import org.opendaylight.controller.cluster.datastore.modification.WriteModification;
-import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
+import org.opendaylight.controller.cluster.datastore.utils.ActorUtils;
 import org.opendaylight.controller.cluster.datastore.utils.NormalizedNodeAggregator;
-import org.opendaylight.mdsal.common.api.MappingCheckedFuture;
-import org.opendaylight.mdsal.common.api.ReadFailedException;
 import org.opendaylight.mdsal.dom.spi.store.AbstractDOMStoreTransaction;
 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
@@ -70,23 +70,21 @@ public class TransactionProxy extends AbstractDOMStoreTransaction<TransactionIde
 
     @VisibleForTesting
     public TransactionProxy(final AbstractTransactionContextFactory<?> txContextFactory, final TransactionType type) {
-        super(txContextFactory.nextIdentifier(), txContextFactory.getActorContext().getDatastoreContext()
+        super(txContextFactory.nextIdentifier(), txContextFactory.getActorUtils().getDatastoreContext()
                 .isTransactionDebugContextEnabled());
         this.txContextFactory = txContextFactory;
-        this.type = Preconditions.checkNotNull(type);
+        this.type = requireNonNull(type);
 
         LOG.debug("New {} Tx - {}", type, getIdentifier());
     }
 
     @Override
-    public CheckedFuture<Boolean, ReadFailedException> exists(final YangInstanceIdentifier path) {
+    public FluentFuture<Boolean> exists(final YangInstanceIdentifier path) {
         return executeRead(shardNameFromIdentifier(path), new DataExists(path, DataStoreVersions.CURRENT_VERSION));
     }
 
-    private <T> CheckedFuture<T, ReadFailedException> executeRead(final String shardName,
-            final AbstractRead<T> readCmd) {
-        Preconditions.checkState(type != TransactionType.WRITE_ONLY,
-                "Reads from write-only transactions are not allowed");
+    private <T> FluentFuture<T> executeRead(final String shardName, final AbstractRead<T> readCmd) {
+        checkState(type != TransactionType.WRITE_ONLY, "Reads from write-only transactions are not allowed");
 
         LOG.trace("Tx {} {} {}", getIdentifier(), readCmd.getClass().getSimpleName(), readCmd.getPath());
 
@@ -99,28 +97,26 @@ public class TransactionProxy extends AbstractDOMStoreTransaction<TransactionIde
             }
         });
 
-        return MappingCheckedFuture.create(proxyFuture, ReadFailedException.MAPPER);
+        return FluentFuture.from(proxyFuture);
     }
 
     @Override
-    public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(final YangInstanceIdentifier path) {
-        Preconditions.checkState(type != TransactionType.WRITE_ONLY,
-                "Reads from write-only transactions are not allowed");
-        Preconditions.checkNotNull(path, "path should not be null");
+    public FluentFuture<Optional<NormalizedNode<?, ?>>> read(final YangInstanceIdentifier path) {
+        checkState(type != TransactionType.WRITE_ONLY, "Reads from write-only transactions are not allowed");
+        requireNonNull(path, "path should not be null");
 
         LOG.trace("Tx {} read {}", getIdentifier(), path);
         return path.isEmpty() ? readAllData() :  singleShardRead(shardNameFromIdentifier(path), path);
     }
 
-    private CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> singleShardRead(
+    private FluentFuture<Optional<NormalizedNode<?, ?>>> singleShardRead(
             final String shardName, final YangInstanceIdentifier path) {
         return executeRead(shardName, new ReadData(path, DataStoreVersions.CURRENT_VERSION));
     }
 
-    private CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> readAllData() {
-        final Set<String> allShardNames = txContextFactory.getActorContext().getConfiguration().getAllShardNames();
-        final Collection<CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException>> futures =
-                new ArrayList<>(allShardNames.size());
+    private FluentFuture<Optional<NormalizedNode<?, ?>>> readAllData() {
+        final Set<String> allShardNames = txContextFactory.getActorUtils().getConfiguration().getAllShardNames();
+        final Collection<FluentFuture<Optional<NormalizedNode<?, ?>>>> futures = new ArrayList<>(allShardNames.size());
 
         for (String shardName : allShardNames) {
             futures.add(singleShardRead(shardName, YangInstanceIdentifier.EMPTY));
@@ -133,14 +129,14 @@ public class TransactionProxy extends AbstractDOMStoreTransaction<TransactionIde
             (Function<List<Optional<NormalizedNode<?, ?>>>, Optional<NormalizedNode<?, ?>>>) input -> {
                 try {
                     return NormalizedNodeAggregator.aggregate(YangInstanceIdentifier.EMPTY, input,
-                            txContextFactory.getActorContext().getSchemaContext(),
-                            txContextFactory.getActorContext().getDatastoreContext().getLogicalStoreType());
+                            txContextFactory.getActorUtils().getSchemaContext(),
+                            txContextFactory.getActorUtils().getDatastoreContext().getLogicalStoreType());
                 } catch (DataValidationFailedException e) {
                     throw new IllegalArgumentException("Failed to aggregate", e);
                 }
             }, MoreExecutors.directExecutor());
 
-        return MappingCheckedFuture.create(aggregateFuture, ReadFailedException.MAPPER);
+        return FluentFuture.from(aggregateFuture);
     }
 
     @Override
@@ -174,10 +170,8 @@ public class TransactionProxy extends AbstractDOMStoreTransaction<TransactionIde
     }
 
     private void checkModificationState() {
-        Preconditions.checkState(type != TransactionType.READ_ONLY,
-                "Modification operation on read-only transaction is not allowed");
-        Preconditions.checkState(state == TransactionState.OPEN,
-                "Transaction is sealed - further modifications are not allowed");
+        checkState(type != TransactionType.READ_ONLY, "Modification operation on read-only transaction is not allowed");
+        checkState(state == TransactionState.OPEN, "Transaction is sealed - further modifications are not allowed");
     }
 
     private boolean seal(final TransactionState newState) {
@@ -192,7 +186,7 @@ public class TransactionProxy extends AbstractDOMStoreTransaction<TransactionIde
     @Override
     public final void close() {
         if (!seal(TransactionState.CLOSED)) {
-            Preconditions.checkState(state == TransactionState.CLOSED, "Transaction %s is ready, it cannot be closed",
+            checkState(state == TransactionState.CLOSED, "Transaction %s is ready, it cannot be closed",
                 getIdentifier());
             // Idempotent no-op as per AutoCloseable recommendation
             return;
@@ -213,10 +207,10 @@ public class TransactionProxy extends AbstractDOMStoreTransaction<TransactionIde
 
     @Override
     public final AbstractThreePhaseCommitCohort<?> ready() {
-        Preconditions.checkState(type != TransactionType.READ_ONLY, "Read-only transactions cannot be readied");
+        checkState(type != TransactionType.READ_ONLY, "Read-only transactions cannot be readied");
 
         final boolean success = seal(TransactionState.READY);
-        Preconditions.checkState(success, "Transaction %s is %s, it cannot be readied", getIdentifier(), state);
+        checkState(success, "Transaction %s is %s, it cannot be readied", getIdentifier(), state);
 
         LOG.debug("Tx {} Readying {} components for commit", getIdentifier(), txContextWrappers.size());
 
@@ -266,14 +260,14 @@ public class TransactionProxy extends AbstractDOMStoreTransaction<TransactionIde
             future = getDirectCommitFuture(transactionContext, operationCallbackRef, null);
         }
 
-        return new SingleCommitCohortProxy(txContextFactory.getActorContext(), future, getIdentifier(),
+        return new SingleCommitCohortProxy(txContextFactory.getActorUtils(), future, getIdentifier(),
             operationCallbackRef);
     }
 
     private Future<?> getDirectCommitFuture(final TransactionContext transactionContext,
             final OperationCallback.Reference operationCallbackRef, final Boolean havePermit) {
         TransactionRateLimitingCallback rateLimitingCallback = new TransactionRateLimitingCallback(
-                txContextFactory.getActorContext());
+                txContextFactory.getActorUtils());
         operationCallbackRef.set(rateLimitingCallback);
         rateLimitingCallback.run();
         return transactionContext.directCommit(havePermit);
@@ -282,8 +276,7 @@ public class TransactionProxy extends AbstractDOMStoreTransaction<TransactionIde
     private AbstractThreePhaseCommitCohort<ActorSelection> createMultiCommitCohort() {
 
         final List<ThreePhaseCommitCohortProxy.CohortInfo> cohorts = new ArrayList<>(txContextWrappers.size());
-        final java.util.Optional<SortedSet<String>> shardNames =
-                java.util.Optional.of(new TreeSet<>(txContextWrappers.keySet()));
+        final Optional<SortedSet<String>> shardNames = Optional.of(new TreeSet<>(txContextWrappers.keySet()));
         for (Entry<String, TransactionContextWrapper> e : txContextWrappers.entrySet()) {
             LOG.debug("Tx {} Readying transaction for shard {}", getIdentifier(), e.getKey());
 
@@ -298,11 +291,11 @@ public class TransactionProxy extends AbstractDOMStoreTransaction<TransactionIde
                     txVersionSupplier));
         }
 
-        return new ThreePhaseCommitCohortProxy(txContextFactory.getActorContext(), cohorts, getIdentifier());
+        return new ThreePhaseCommitCohortProxy(txContextFactory.getActorUtils(), cohorts, getIdentifier());
     }
 
     private String shardNameFromIdentifier(final YangInstanceIdentifier path) {
-        return txContextFactory.getActorContext().getShardStrategyFactory().getStrategy(path).findShard(path);
+        return txContextFactory.getActorUtils().getShardStrategyFactory().getStrategy(path).findShard(path);
     }
 
     private TransactionContextWrapper getContextWrapper(final YangInstanceIdentifier path) {
@@ -328,7 +321,7 @@ public class TransactionProxy extends AbstractDOMStoreTransaction<TransactionIde
         return state != TransactionState.OPEN;
     }
 
-    ActorContext getActorContext() {
-        return txContextFactory.getActorContext();
+    ActorUtils getActorUtils() {
+        return txContextFactory.getActorUtils();
     }
 }