Simplify DTCL registration support classes
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / FrontendClientMetadataBuilder.java
index a13899c354b165526674469bbe02f8c9ad90cc12..5de977da13588eb2dbd8d688ba56ee423a8ea3b1 100644 (file)
@@ -11,10 +11,6 @@ import com.google.common.base.MoreObjects;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Verify;
 import com.google.common.collect.Collections2;
-import com.google.common.collect.Range;
-import com.google.common.collect.RangeSet;
-import com.google.common.collect.TreeRangeSet;
-import com.google.common.primitives.UnsignedLong;
 import java.util.HashMap;
 import java.util.Map;
 import javax.annotation.Nonnull;
@@ -24,6 +20,7 @@ import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifie
 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
 import org.opendaylight.controller.cluster.datastore.persisted.FrontendClientMetadata;
 import org.opendaylight.controller.cluster.datastore.persisted.FrontendHistoryMetadata;
+import org.opendaylight.controller.cluster.datastore.utils.UnsignedLongRangeSet;
 import org.opendaylight.yangtools.concepts.Builder;
 import org.opendaylight.yangtools.concepts.Identifiable;
 import org.slf4j.Logger;
@@ -34,21 +31,24 @@ final class FrontendClientMetadataBuilder implements Builder<FrontendClientMetad
     private static final Logger LOG = LoggerFactory.getLogger(FrontendClientMetadataBuilder.class);
 
     private final Map<LocalHistoryIdentifier, FrontendHistoryMetadataBuilder> currentHistories = new HashMap<>();
-    private final RangeSet<UnsignedLong> purgedHistories;
+    private final UnsignedLongRangeSet purgedHistories;
     private final ClientIdentifier identifier;
+    private final String shardName;
 
-    FrontendClientMetadataBuilder(final ClientIdentifier identifier) {
+    FrontendClientMetadataBuilder(final String shardName, final ClientIdentifier identifier) {
+        this.shardName = Preconditions.checkNotNull(shardName);
         this.identifier = Preconditions.checkNotNull(identifier);
-        purgedHistories = TreeRangeSet.create();
+        purgedHistories = UnsignedLongRangeSet.create();
 
         // History for stand-alone transactions is always present
         final LocalHistoryIdentifier standaloneId = standaloneHistoryId();
         currentHistories.put(standaloneId, new FrontendHistoryMetadataBuilder(standaloneId));
     }
 
-    FrontendClientMetadataBuilder(final FrontendClientMetadata meta) {
+    FrontendClientMetadataBuilder(final String shardName, final FrontendClientMetadata meta) {
+        this.shardName = Preconditions.checkNotNull(shardName);
         this.identifier = Preconditions.checkNotNull(meta.getIdentifier());
-        purgedHistories = TreeRangeSet.create(meta.getPurgedHistories());
+        purgedHistories = UnsignedLongRangeSet.create(meta.getPurgedHistories());
 
         for (FrontendHistoryMetadata h : meta.getCurrentHistories()) {
             final FrontendHistoryMetadataBuilder b = new FrontendHistoryMetadataBuilder(identifier, h);
@@ -58,8 +58,8 @@ final class FrontendClientMetadataBuilder implements Builder<FrontendClientMetad
         // Sanity check and recovery
         final LocalHistoryIdentifier standaloneId = standaloneHistoryId();
         if (!currentHistories.containsKey(standaloneId)) {
-            LOG.warn("Client {} recovered histories {} do not contain stand-alone history, attempting recovery",
-                identifier, currentHistories);
+            LOG.warn("{}: Client {} recovered histories {} do not contain stand-alone history, attempting recovery",
+                shardName, identifier, currentHistories);
             currentHistories.put(standaloneId, new FrontendHistoryMetadataBuilder(standaloneId));
         }
     }
@@ -70,7 +70,7 @@ final class FrontendClientMetadataBuilder implements Builder<FrontendClientMetad
 
     @Override
     public FrontendClientMetadata build() {
-        return new FrontendClientMetadata(identifier, purgedHistories,
+        return new FrontendClientMetadata(identifier, purgedHistories.toImmutable(),
             Collections2.transform(currentHistories.values(), FrontendHistoryMetadataBuilder::build));
     }
 
@@ -84,9 +84,9 @@ final class FrontendClientMetadataBuilder implements Builder<FrontendClientMetad
         final FrontendHistoryMetadataBuilder oldMeta = currentHistories.putIfAbsent(historyId, newMeta);
         if (oldMeta != null) {
             // This should not be happening, warn about it
-            LOG.warn("Reused local history {}", historyId);
+            LOG.warn("{}: Reused local history {}", shardName, historyId);
         } else {
-            LOG.debug("Created local history {}", historyId);
+            LOG.debug("{}: Created local history {}", shardName, historyId);
         }
     }
 
@@ -94,30 +94,30 @@ final class FrontendClientMetadataBuilder implements Builder<FrontendClientMetad
         final FrontendHistoryMetadataBuilder builder = currentHistories.get(historyId);
         if (builder != null) {
             builder.onHistoryClosed();
-            LOG.debug("Closed history {}", historyId);
+            LOG.debug("{}: Closed history {}", shardName, historyId);
         } else {
-            LOG.warn("Closed unknown history {}, ignoring", historyId);
+            LOG.warn("{}: Closed unknown history {}, ignoring", shardName, historyId);
         }
     }
 
     void onHistoryPurged(final LocalHistoryIdentifier historyId) {
         final FrontendHistoryMetadataBuilder history = currentHistories.remove(historyId);
         if (history == null) {
-            LOG.warn("Purging unknown history {}", historyId);
+            LOG.warn("{}: Purging unknown history {}", shardName, historyId);
         }
 
         // XXX: do we need to account for cookies?
-        purgedHistories.add(Range.singleton(UnsignedLong.fromLongBits(historyId.getHistoryId())));
-        LOG.debug("Purged history {}", historyId);
+        purgedHistories.add(historyId.getHistoryId());
+        LOG.debug("{}: Purged history {}", shardName, historyId);
     }
 
     void onTransactionAborted(final TransactionIdentifier txId) {
         final FrontendHistoryMetadataBuilder history = getHistory(txId);
         if (history != null) {
             history.onTransactionAborted(txId);
-            LOG.debug("Committed transaction {}", txId);
+            LOG.debug("{}: Aborted transaction {}", shardName, txId);
         } else {
-            LOG.warn("Unknown history for aborted transaction {}, ignoring", txId);
+            LOG.warn("{}: Unknown history for aborted transaction {}, ignoring", shardName, txId);
         }
     }
 
@@ -125,9 +125,9 @@ final class FrontendClientMetadataBuilder implements Builder<FrontendClientMetad
         final FrontendHistoryMetadataBuilder history = getHistory(txId);
         if (history != null) {
             history.onTransactionCommitted(txId);
-            LOG.debug("Aborted transaction {}", txId);
+            LOG.debug("{}: Committed transaction {}", shardName, txId);
         } else {
-            LOG.warn("Unknown history for commited transaction {}, ignoring", txId);
+            LOG.warn("{}: Unknown history for commited transaction {}, ignoring", shardName, txId);
         }
     }
 
@@ -135,9 +135,9 @@ final class FrontendClientMetadataBuilder implements Builder<FrontendClientMetad
         final FrontendHistoryMetadataBuilder history = getHistory(txId);
         if (history != null) {
             history.onTransactionPurged(txId);
-            LOG.debug("Purged transaction {}", txId);
+            LOG.debug("{}: Purged transaction {}", shardName, txId);
         } else {
-            LOG.warn("Unknown history for purged transaction {}, ignoring", txId);
+            LOG.warn("{}: Unknown history for purged transaction {}, ignoring", shardName, txId);
         }
     }
 
@@ -170,7 +170,7 @@ final class FrontendClientMetadataBuilder implements Builder<FrontendClientMetad
         }
 
         return new LeaderFrontendState(shard.persistenceId(), getIdentifier(), shard.getDataStore(),
-            TreeRangeSet.create(purgedHistories), singleHistory, histories);
+            purgedHistories.copy(), singleHistory, histories);
     }
 
     private FrontendHistoryMetadataBuilder getHistory(final TransactionIdentifier txId) {