ONOS-2429: Support for a relaxed read consistency mode in ConsistentMap
Change-Id: I7866d8d15de369fd23e482d66cc1c918c033f169
diff --git a/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultConsistentMapBuilder.java b/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultConsistentMapBuilder.java
index 965791d..0e11794 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultConsistentMapBuilder.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultConsistentMapBuilder.java
@@ -39,6 +39,7 @@
private boolean partitionsEnabled = true;
private boolean readOnly = false;
private boolean metering = true;
+ private boolean relaxedReadConsistency = false;
private final DatabaseManager manager;
public DefaultConsistentMapBuilder(DatabaseManager manager) {
@@ -90,6 +91,12 @@
return this;
}
+ @Override
+ public ConsistentMapBuilder<K, V> withRelaxedReadConsistency() {
+ relaxedReadConsistency = true;
+ return this;
+ }
+
private void validateInputs() {
checkState(name != null, "name must be specified");
checkState(serializer != null, "serializer must be specified");
@@ -110,14 +117,25 @@
private DefaultAsyncConsistentMap<K, V> buildAndRegisterMap() {
validateInputs();
- DefaultAsyncConsistentMap<K, V> asyncMap = new DefaultAsyncConsistentMap<>(
- name,
- applicationId,
- partitionsEnabled ? manager.partitionedDatabase : manager.inMemoryDatabase,
- serializer,
- readOnly,
- purgeOnUninstall,
- metering);
- return manager.registerMap(asyncMap);
+ Database database = partitionsEnabled ? manager.partitionedDatabase : manager.inMemoryDatabase;
+ if (relaxedReadConsistency) {
+ return manager.registerMap(
+ new AsyncCachingConsistentMap<>(name,
+ applicationId,
+ database,
+ serializer,
+ readOnly,
+ purgeOnUninstall,
+ metering));
+ } else {
+ return manager.registerMap(
+ new DefaultAsyncConsistentMap<>(name,
+ applicationId,
+ database,
+ serializer,
+ readOnly,
+ purgeOnUninstall,
+ metering));
+ }
}
}
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