fix mapping error in p/c benchmarks

src/test/java/org/elasticsearch/benchmark/search/child/ChildSearchAndIndexingBenchmark.java

@@ -75,7 +75,7 @@ public class ChildSearchAndIndexingBenchmark {
         client.admin().cluster().prepareHealth(indexName).setWaitForGreenStatus().setTimeout("10s").execute().actionGet();
         try {
             client.admin().indices().create(createIndexRequest(indexName)).actionGet();
-            client.admin().indices().preparePutMapping(indexName).setType("child").setSource(XContentFactory.jsonBuilder().startObject().startObject("type")
+            client.admin().indices().preparePutMapping(indexName).setType("child").setSource(XContentFactory.jsonBuilder().startObject().startObject("child")
                     .startObject("_parent").field("type", "parent").endObject()
                     .endObject().endObject()).execute().actionGet();
             Thread.sleep(5000);

src/test/java/org/elasticsearch/benchmark/search/child/ChildSearchBenchmark.java

@@ -41,9 +41,7 @@ import static org.elasticsearch.cluster.metadata.IndexMetaData.SETTING_NUMBER_OF
 import static org.elasticsearch.cluster.metadata.IndexMetaData.SETTING_NUMBER_OF_SHARDS;
 import static org.elasticsearch.common.settings.ImmutableSettings.settingsBuilder;
 import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
-import static org.elasticsearch.index.query.FilterBuilders.hasChildFilter;
-import static org.elasticsearch.index.query.FilterBuilders.hasParentFilter;
-import static org.elasticsearch.index.query.FilterBuilders.rangeFilter;
+import static org.elasticsearch.index.query.FilterBuilders.*;
 import static org.elasticsearch.index.query.QueryBuilders.*;
 import static org.elasticsearch.node.NodeBuilder.nodeBuilder;
 
@@ -75,7 +73,7 @@ public class ChildSearchBenchmark {
         client.admin().cluster().prepareHealth(indexName).setWaitForGreenStatus().setTimeout("10s").execute().actionGet();
         try {
             client.admin().indices().create(createIndexRequest(indexName)).actionGet();
-            client.admin().indices().preparePutMapping(indexName).setType("child").setSource(XContentFactory.jsonBuilder().startObject().startObject("type")
+            client.admin().indices().preparePutMapping(indexName).setType("child").setSource(XContentFactory.jsonBuilder().startObject().startObject("child")
                     .startObject("_parent").field("type", "parent").endObject()
                     .endObject().endObject()).execute().actionGet();
             Thread.sleep(5000);

src/test/java/org/elasticsearch/benchmark/search/child/ChildSearchShortCircuitBenchmark.java

@@ -73,7 +73,7 @@ public class ChildSearchShortCircuitBenchmark {
         client.admin().cluster().prepareHealth(indexName).setWaitForGreenStatus().setTimeout("10s").execute().actionGet();
         try {
             client.admin().indices().create(createIndexRequest(indexName)).actionGet();
-            client.admin().indices().preparePutMapping(indexName).setType("child").setSource(XContentFactory.jsonBuilder().startObject().startObject("type")
+            client.admin().indices().preparePutMapping(indexName).setType("child").setSource(XContentFactory.jsonBuilder().startObject().startObject("child")
                     .startObject("_parent").field("type", "parent").endObject()
                     .endObject().endObject()).execute().actionGet();
             Thread.sleep(5000);