fix interval load rule

server/src/main/java/io/druid/server/coordinator/rules/IntervalLoadRule.java

@@ -41,7 +41,7 @@ public class IntervalLoadRule extends LoadRule
   @JsonCreator
   public IntervalLoadRule(
       @JsonProperty("interval") Interval interval,
-      @JsonProperty("load") Map<String, Integer> tieredReplicants,
+      @JsonProperty("tieredReplicants") Map<String, Integer> tieredReplicants,
       // Replicants and tier are deprecated
       @JsonProperty("replicants") Integer replicants,
       @JsonProperty("tier") String tier
@@ -49,7 +49,6 @@ public class IntervalLoadRule extends LoadRule
   {
     this.interval = interval;
 
-
     if (tieredReplicants != null) {
       this.tieredReplicants = tieredReplicants;
     } else { // Backwards compatible
@@ -88,4 +87,34 @@ public class IntervalLoadRule extends LoadRule
   {
     return interval.contains(segment.getInterval());
   }
+
+  @Override
+  public boolean equals(Object o)
+  {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+
+    IntervalLoadRule that = (IntervalLoadRule) o;
+
+    if (interval != null ? !interval.equals(that.interval) : that.interval != null) {
+      return false;
+    }
+    if (tieredReplicants != null ? !tieredReplicants.equals(that.tieredReplicants) : that.tieredReplicants != null) {
+      return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode()
+  {
+    int result = interval != null ? interval.hashCode() : 0;
+    result = 31 * result + (tieredReplicants != null ? tieredReplicants.hashCode() : 0);
+    return result;
+  }
 }

server/src/test/java/io/druid/server/coordinator/rules/IntervalLoadRuleTest.java

@@ -0,0 +1,49 @@
+/*
+  * Druid - a distributed column store.
+  * Copyright (C) 2012, 2013  Metamarkets Group Inc.
+  *
+  * This program is free software; you can redistribute it and/or
+  * modify it under the terms of the GNU General Public License
+  * as published by the Free Software Foundation; either version 2
+  * of the License, or (at your option) any later version.
+  *
+  * This program is distributed in the hope that it will be useful,
+  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  * GNU General Public License for more details.
+  *
+  * You should have received a copy of the GNU General Public License
+  * along with this program; if not, write to the Free Software
+  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+  */
+ 
+ package io.druid.server.coordinator.rules;
+ 
+ import com.fasterxml.jackson.databind.ObjectMapper;
+ import com.google.common.collect.ImmutableMap;
+ import io.druid.client.DruidServer;
+ import io.druid.jackson.DefaultObjectMapper;
+ import junit.framework.Assert;
+ import org.joda.time.Interval;
+ import org.junit.Test;
+ 
+ /**
+  */
+ public class IntervalLoadRuleTest
+ {
+   @Test
+   public void testSerde() throws Exception
+   {
+     IntervalLoadRule rule = new IntervalLoadRule(
+         new Interval("0/3000"),
+         ImmutableMap.<String, Integer>of(DruidServer.DEFAULT_TIER, 2),
+         null,
+         null
+     );
+ 
+     ObjectMapper jsonMapper = new DefaultObjectMapper();
+     Rule reread = jsonMapper.readValue(jsonMapper.writeValueAsString(rule), Rule.class);
+ 
+     Assert.assertEquals(rule, reread);
+   }
+ }