1 files changed, 96 insertions, 0 deletions
diff --git a/src/main/java/org/elasticsearch/river/cluster/RiverClusterState.java b/src/main/java/org/elasticsearch/river/cluster/RiverClusterState.java
new file mode 100644
index 0000000..7be85a6
--- /dev/null
+++ b/src/main/java/org/elasticsearch/river/cluster/RiverClusterState.java
@@ -0,0 +1,96 @@
+/*
+ * Licensed to Elasticsearch under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch licenses this file to you 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.elasticsearch.river.cluster;
+
+import org.elasticsearch.common.io.stream.StreamInput;
+import org.elasticsearch.common.io.stream.StreamOutput;
+import org.elasticsearch.river.routing.RiversRouting;
+
+import java.io.IOException;
+
+/**
+ *
+ */
+public class RiverClusterState {
+
+    private final long version;
+
+    private final RiversRouting routing;
+
+    public RiverClusterState(long version, RiverClusterState state) {
+        this.version = version;
+        this.routing = state.routing();
+    }
+
+    RiverClusterState(long version, RiversRouting routing) {
+        this.version = version;
+        this.routing = routing;
+    }
+
+    public long version() {
+        return this.version;
+    }
+
+    public RiversRouting routing() {
+        return routing;
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    public static class Builder {
+
+        private long version = 0;
+
+        private RiversRouting routing = RiversRouting.EMPTY;
+
+        public Builder state(RiverClusterState state) {
+            this.version = state.version();
+            this.routing = state.routing();
+            return this;
+        }
+
+        public Builder routing(RiversRouting.Builder builder) {
+            return routing(builder.build());
+        }
+
+        public Builder routing(RiversRouting routing) {
+            this.routing = routing;
+            return this;
+        }
+
+        public RiverClusterState build() {
+            return new RiverClusterState(version, routing);
+        }
+
+        public static RiverClusterState readFrom(StreamInput in) throws IOException {
+            Builder builder = new Builder();
+            builder.version = in.readVLong();
+            builder.routing = RiversRouting.Builder.readFrom(in);
+            return builder.build();
+        }
+
+        public static void writeTo(RiverClusterState clusterState, StreamOutput out) throws IOException {
+            out.writeVLong(clusterState.version);
+            RiversRouting.Builder.writeTo(clusterState.routing, out);
+        }
+    }
+}