IDs for MatchAction objects using block allocation
Modified MatchActionId and MatchActionOperationsId to
use longs as IDs and to use ID block allocation to
create them.
Change-Id: I757b353a94a498f624df345cbc16975714db15b3
diff --git a/src/main/java/net/onrc/onos/core/matchaction/MatchActionIdGeneratorWithIdBlockAllocator.java b/src/main/java/net/onrc/onos/core/matchaction/MatchActionIdGeneratorWithIdBlockAllocator.java
new file mode 100644
index 0000000..2c92ff7
--- /dev/null
+++ b/src/main/java/net/onrc/onos/core/matchaction/MatchActionIdGeneratorWithIdBlockAllocator.java
@@ -0,0 +1,37 @@
+package net.onrc.onos.core.matchaction;
+
+import net.onrc.onos.core.util.IdBlock;
+import net.onrc.onos.core.util.IdBlockAllocator;
+import net.onrc.onos.core.util.UnavailableIdException;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Generates a global unique MatchActionIdId.
+ */
+public class MatchActionIdGeneratorWithIdBlockAllocator
+ implements MatchActionIdGenerator {
+
+ private final IdBlockAllocator allocator;
+ private IdBlock idBlock;
+
+ /**
+ * Creates a FlowId generator instance using specified ID block allocator.
+ *
+ * @param allocator the ID block allocator to be used
+ */
+ public MatchActionIdGeneratorWithIdBlockAllocator(IdBlockAllocator allocator) {
+ this.allocator = checkNotNull(allocator);
+ this.idBlock = allocator.allocateUniqueIdBlock();
+ }
+
+ @Override
+ public synchronized MatchActionId getNewId() {
+ try {
+ return new MatchActionId(idBlock.getNextId());
+ } catch (UnavailableIdException e) {
+ idBlock = allocator.allocateUniqueIdBlock();
+ return new MatchActionId(idBlock.getNextId());
+ }
+ }
+}