RealtimeIndexTask: Fix serde

merger/src/main/java/com/metamx/druid/merger/common/task/RealtimeIndexTask.java

@@ -1,6 +1,7 @@
 package com.metamx.druid.merger.common.task;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.google.common.base.Throwables;
 import com.google.common.collect.ImmutableSet;
@@ -39,27 +40,29 @@ import java.io.IOException;
 
 public class RealtimeIndexTask extends AbstractTask
 {
-  @JsonProperty
+  @JsonIgnore
   final Schema schema;
 
-  @JsonProperty
+  @JsonIgnore
   final FirehoseFactory firehoseFactory;
 
-  @JsonProperty
+  @JsonIgnore
   final FireDepartmentConfig fireDepartmentConfig;
 
-  @JsonProperty
+  @JsonIgnore
   final Period windowPeriod;
 
-  @JsonProperty
+  @JsonIgnore
   final IndexGranularity segmentGranularity;
 
+  @JsonIgnore
   private volatile Plumber plumber = null;
 
   private static final EmittingLogger log = new EmittingLogger(RealtimeIndexTask.class);
 
   @JsonCreator
   public RealtimeIndexTask(
+      @JsonProperty("id") String id,
       @JsonProperty("schema") Schema schema,
       @JsonProperty("firehose") FirehoseFactory firehoseFactory,
       @JsonProperty("fireDepartmentConfig") FireDepartmentConfig fireDepartmentConfig, // TODO rename?
@@ -68,7 +71,7 @@ public class RealtimeIndexTask extends AbstractTask
   )
   {
     super(
-        String.format(
+        id != null ? id : String.format(
             "index_realtime_%s_%d_%s",
             schema.getDataSource(), schema.getShardSpec().getPartitionNum(), new DateTime()
         ),
@@ -257,6 +260,36 @@ public class RealtimeIndexTask extends AbstractTask
     return TaskStatus.success(getId());
   }
 
+  @JsonProperty
+  public Schema getSchema()
+  {
+    return schema;
+  }
+
+  @JsonProperty("firehose")
+  public FirehoseFactory getFirehoseFactory()
+  {
+    return firehoseFactory;
+  }
+
+  @JsonProperty
+  public FireDepartmentConfig getFireDepartmentConfig()
+  {
+    return fireDepartmentConfig;
+  }
+
+  @JsonProperty
+  public Period getWindowPeriod()
+  {
+    return windowPeriod;
+  }
+
+  @JsonProperty
+  public IndexGranularity getSegmentGranularity()
+  {
+    return segmentGranularity;
+  }
+
   public static class TaskActionSegmentPublisher implements SegmentPublisher
   {
     final Task task;

merger/src/test/java/com/metamx/druid/merger/common/task/TaskSerdeTest.java

@@ -8,17 +8,20 @@ import com.metamx.druid.aggregation.AggregatorFactory;
 import com.metamx.druid.aggregation.CountAggregatorFactory;
 import com.metamx.druid.aggregation.DoubleSumAggregatorFactory;
 import com.metamx.druid.client.DataSegment;
+import com.metamx.druid.index.v1.IndexGranularity;
 import com.metamx.druid.indexer.HadoopDruidIndexerConfig;
 import com.metamx.druid.indexer.data.JSONDataSpec;
 import com.metamx.druid.indexer.granularity.UniformGranularitySpec;
 import com.metamx.druid.indexer.path.StaticPathSpec;
 import com.metamx.druid.indexer.rollup.DataRollupSpec;
 import com.metamx.druid.jackson.DefaultObjectMapper;
+import com.metamx.druid.merger.common.index.StaticS3FirehoseFactory;
 import com.metamx.druid.realtime.Schema;
 import com.metamx.druid.shard.NoneShardSpec;
 import junit.framework.Assert;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.joda.time.Interval;
+import org.joda.time.Period;
 import org.junit.Test;
 
 public class TaskSerdeTest
@@ -193,6 +196,40 @@ public class TaskSerdeTest
     );
   }
 
+  @Test
+  public void testRealtimeIndexTaskSerde() throws Exception
+  {
+    final Task task = new RealtimeIndexTask(
+        null,
+        new Schema("foo", new AggregatorFactory[0], QueryGranularity.NONE, new NoneShardSpec()),
+        null,
+        null,
+        new Period("PT10M"),
+        IndexGranularity.HOUR
+    );
+
+    final ObjectMapper jsonMapper = new DefaultObjectMapper();
+    final String json = jsonMapper.writeValueAsString(task);
+
+    Thread.sleep(100); // Just want to run the clock a bit to make sure the task id doesn't change
+    final Task task2 = jsonMapper.readValue(json, Task.class);
+
+    Assert.assertEquals("foo", task.getDataSource());
+    Assert.assertEquals(Optional.<Interval>absent(), task.getImplicitLockInterval());
+    Assert.assertEquals(new Period("PT10M"), ((RealtimeIndexTask) task).getWindowPeriod());
+    Assert.assertEquals(IndexGranularity.HOUR, ((RealtimeIndexTask) task).getSegmentGranularity());
+
+    Assert.assertEquals(task.getId(), task2.getId());
+    Assert.assertEquals(task.getGroupId(), task2.getGroupId());
+    Assert.assertEquals(task.getDataSource(), task2.getDataSource());
+    Assert.assertEquals(task.getImplicitLockInterval(), task2.getImplicitLockInterval());
+    Assert.assertEquals(((RealtimeIndexTask) task).getWindowPeriod(), ((RealtimeIndexTask) task).getWindowPeriod());
+    Assert.assertEquals(
+        ((RealtimeIndexTask) task).getSegmentGranularity(),
+        ((RealtimeIndexTask) task).getSegmentGranularity()
+    );
+  }
+
   @Test
   public void testDeleteTaskSerde() throws Exception
   {