Implementation for StorageAdmin and PartitionAdmin APIs

Change-Id: I48cbfae6f410425294196884cdb2ce4705fa2c3d
diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/StoragePartitionDetails.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/StoragePartitionDetails.java
new file mode 100644
index 0000000..38b811e
--- /dev/null
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/StoragePartitionDetails.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.store.primitives.impl;
+
+import io.atomix.copycat.server.cluster.Member;
+
+import java.util.Collection;
+import java.util.Set;
+
+import org.onosproject.cluster.PartitionId;
+import org.onosproject.store.service.PartitionInfo;
+
+import com.google.common.base.MoreObjects;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Lists;
+
+/**
+ * Operational details for a {@code StoragePartition}.
+ */
+public class StoragePartitionDetails {
+
+    private final PartitionId partitionId;
+    private final Set<Member> activeMembers;
+    private final Set<Member> configuredMembers;
+    private final Member leader;
+    private final long leaderTerm;
+
+    public StoragePartitionDetails(PartitionId partitionId,
+            Collection<Member> activeMembers,
+            Collection<Member> configuredMembers,
+            Member leader,
+            long leaderTerm) {
+        this.partitionId = partitionId;
+        this.activeMembers = ImmutableSet.copyOf(activeMembers);
+        this.configuredMembers = ImmutableSet.copyOf(configuredMembers);
+        this.leader = leader;
+        this.leaderTerm = leaderTerm;
+    }
+
+    /**
+     * Returns the set of active members.
+     * @return active members
+     */
+    public Set<Member> activeMembers() {
+        return activeMembers;
+    }
+
+    /**
+     * Returns the set of configured members.
+     * @return configured members
+     */
+    public Set<Member> configuredMembers() {
+        return configuredMembers;
+    }
+
+    /**
+     * Returns the partition leader.
+     * @return leader
+     */
+    public Member leader() {
+        return leader;
+    }
+
+    /**
+     * Returns the partition leader term.
+     * @return leader term
+     */
+    public long leaderTerm() {
+        return leaderTerm;
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("activeMembers", activeMembers)
+                .add("configuredMembers", configuredMembers)
+                .add("leader", leader)
+                .add("leaderTerm", leaderTerm)
+                .toString();
+    }
+
+    /**
+     * Returns the details as an instance of {@code PartitionInfo}.
+     * @return partition info
+     */
+    public PartitionInfo toPartitionInfo() {
+        return new PartitionInfo(partitionId.toString(),
+                leaderTerm,
+                Lists.transform(ImmutableList.copyOf(activeMembers), m -> m.address().toString()),
+                leader == null ? "none" : leader.address().toString());
+    }
+}