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Posted to commits@rocketmq.apache.org by ka...@apache.org on 2022/06/27 03:40:29 UTC

[rocketmq-streams] branch main updated: Corrects a spelling error in the word stream

This is an automated email from the ASF dual-hosted git repository.

karp pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/rocketmq-streams.git


The following commit(s) were added to refs/heads/main by this push:
     new 3f4c15eb Corrects a spelling error in the word stream
     new bb7931f3 Merge pull request #176 from tongfs/main
3f4c15eb is described below

commit 3f4c15eb9b4f99d7af54ad083bf3230f75cc39e0
Author: tongfs <re...@outlook.com>
AuthorDate: Fri Jun 24 14:58:02 2022 +0800

    Corrects a spelling error in the word stream
---
 .../org/apache/rocketmq/streams/client/transform/JoinStream.java  | 2 +-
 .../rocketmq/streams/client/transform/OverWindowStream.java       | 2 +-
 .../apache/rocketmq/streams/client/transform/WindowStream.java    | 2 +-
 .../java/org/apache/rocketmq/streams/client/DataStreamTest.java   | 2 +-
 .../test/java/org/apache/rocketmq/streams/client/JoinTest.java    | 4 ++--
 .../org/apache/rocketmq/streams/client/RocketMQGroupByTest.java   | 2 +-
 .../test/java/org/apache/rocketmq/streams/client/SplitTest.java   | 4 ++--
 .../test/java/org/apache/rocketmq/streams/client/UnionTest.java   | 2 +-
 .../test/java/org/apache/rocketmq/streams/client/WindowTest.java  | 6 +++---
 .../apache/rocketmq/streams/client/example/CountFromFileTest.java | 4 ++--
 .../rocketmq/streams/client/example/CountSupportEmitTest.java     | 4 ++--
 .../java/org/apache/rocketmq/streams/client/example/DimTest.java  | 4 ++--
 .../java/org/apache/rocketmq/streams/client/example/JoinTest.java | 6 +++---
 .../apache/rocketmq/streams/client/source/MqttStreamsTest.java    | 2 +-
 .../streams/client/windows/AbstractWindowFireModeTest.java        | 8 ++++----
 .../rocketmq/streams/client/windows/AbstractWindowTest.java       | 4 ++--
 .../rocketmq/streams/client/windows/ShuffleOverWindowTest.java    | 2 +-
 .../rocketmq/streams/examples/aggregate/PageDimensionExample.java | 4 ++--
 .../streams/examples/aggregate/RocketMQWindowExample.java         | 2 +-
 .../streams/examples/aggregate/UsersDimensionExample.java         | 2 +-
 .../streams/examples/checkpoint/RemoteCheckpointExample.java      | 2 +-
 .../rocketmq/streams/examples/join/RocketmqDimJoinExample.java    | 2 +-
 .../rocketmq/streams/examples/join/RocketmqJoinExample.java       | 2 +-
 .../streams/examples/mutilconsumer/MultiStreamsExample.java       | 2 +-
 .../rocketmq/streams/examples/source/MqttSourceExample.java       | 2 +-
 .../rocketmq/streams/examples/source/RocketmqSourceExample4.java  | 2 +-
 26 files changed, 40 insertions(+), 40 deletions(-)

diff --git a/rocketmq-streams-clients/src/main/java/org/apache/rocketmq/streams/client/transform/JoinStream.java b/rocketmq-streams-clients/src/main/java/org/apache/rocketmq/streams/client/transform/JoinStream.java
index 22c1f2a4..69f3960b 100644
--- a/rocketmq-streams-clients/src/main/java/org/apache/rocketmq/streams/client/transform/JoinStream.java
+++ b/rocketmq-streams-clients/src/main/java/org/apache/rocketmq/streams/client/transform/JoinStream.java
@@ -160,7 +160,7 @@ public class JoinStream {
         return this;
     }
 
-    public DataStream toDataSteam() {
+    public DataStream toDataStream() {
         if (isDimJoin) {
             return doDimJoin();
         } else {
diff --git a/rocketmq-streams-clients/src/main/java/org/apache/rocketmq/streams/client/transform/OverWindowStream.java b/rocketmq-streams-clients/src/main/java/org/apache/rocketmq/streams/client/transform/OverWindowStream.java
index 1c517fde..d95950a1 100644
--- a/rocketmq-streams-clients/src/main/java/org/apache/rocketmq/streams/client/transform/OverWindowStream.java
+++ b/rocketmq-streams-clients/src/main/java/org/apache/rocketmq/streams/client/transform/OverWindowStream.java
@@ -74,7 +74,7 @@ public class OverWindowStream {
         return this;
     }
 
-    public DataStream toDataSteam() {
+    public DataStream toDataStream() {
         return new DataStream(pipelineBuilder, otherPipelineBuilders, currentChainStage);
     }
 
diff --git a/rocketmq-streams-clients/src/main/java/org/apache/rocketmq/streams/client/transform/WindowStream.java b/rocketmq-streams-clients/src/main/java/org/apache/rocketmq/streams/client/transform/WindowStream.java
index 1ff3564e..37abdf51 100644
--- a/rocketmq-streams-clients/src/main/java/org/apache/rocketmq/streams/client/transform/WindowStream.java
+++ b/rocketmq-streams-clients/src/main/java/org/apache/rocketmq/streams/client/transform/WindowStream.java
@@ -258,7 +258,7 @@ public class WindowStream {
         return new DataStream(pipelineBuilder, otherPipelineBuilders, currentChainStage);
     }
 
-    public DataStream toDataSteam() {
+    public DataStream toDataStream() {
         return new DataStream(pipelineBuilder, otherPipelineBuilders, currentChainStage);
     }
 }
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/DataStreamTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/DataStreamTest.java
index 2484af5e..21e64073 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/DataStreamTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/DataStreamTest.java
@@ -98,7 +98,7 @@ public class DataStreamTest implements Serializable {
             .groupBy("name", "age")
             .count("c")
             .sum("score", "scoreValue")
-            .toDataSteam()
+            .toDataStream()
             .toPrint(1)
             .with(WindowStrategy.exactlyOnce("", "", ""))
             .start();
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/JoinTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/JoinTest.java
index a4ff64b2..1b15d712 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/JoinTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/JoinTest.java
@@ -56,7 +56,7 @@ public class JoinTest implements Serializable {
 
         leftStream.join(rightStream).setJoinType(JoinType.INNER_JOIN)
             .setCondition("(ProjectName,==,ProjectName)&(LogStore,==,LogStore)")
-            .toDataSteam()
+            .toDataStream()
             .toPrint()
             .start();
 
@@ -74,7 +74,7 @@ public class JoinTest implements Serializable {
             }))
             .join("dburl", "dbUserName", "dbPassowrd", "tableNameOrSQL", 5)
             .setCondition("(name,==,name)")
-            .toDataSteam()
+            .toDataStream()
             .selectFields("name", "age", "address")
             .toPrint();
         stream.start();
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/RocketMQGroupByTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/RocketMQGroupByTest.java
index f5e1ab77..014316b6 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/RocketMQGroupByTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/RocketMQGroupByTest.java
@@ -35,7 +35,7 @@ public class RocketMQGroupByTest implements Serializable {
             .window(TumblingWindow.of(Time.seconds(5)))
             .groupBy("host_uuid", "cmdline")
             .count("c")
-            .toDataSteam()
+            .toDataStream()
             .forEachMessage(new ForEachMessageFunction() {
                 protected AtomicLong COUNT = new AtomicLong(0);
                 protected Long start = null;
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/SplitTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/SplitTest.java
index ff5e860a..949fb6ab 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/SplitTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/SplitTest.java
@@ -61,7 +61,7 @@ public class SplitTest implements Serializable {
 
         DataStream children = splitStream.select("children");
         DataStream adult = splitStream.select("adult");
-        children.union(adult).join("dburl", "dbUserName", "dbPassowrd", "tableNameOrSQL", 5).setCondition("(name,==,name)").toDataSteam().window(TumblingWindow.of(Time.seconds(5))).groupBy("ProjectName", "LogStore").setLocalStorageOnly(true).count("total").sum("OutFlow", "OutFlow").sum("InFlow", "InFlow").toDataSteam().toPrint().asyncStart();
+        children.union(adult).join("dburl", "dbUserName", "dbPassowrd", "tableNameOrSQL", 5).setCondition("(name,==,name)").toDataStream().window(TumblingWindow.of(Time.seconds(5))).groupBy("ProjectName", "LogStore").setLocalStorageOnly(true).count("total").sum("OutFlow", "OutFlow").sum("InFlow", "InFlow").toDataStream().toPrint().asyncStart();
         while (true) {
             Thread.sleep(1000);
         }
@@ -79,7 +79,7 @@ public class SplitTest implements Serializable {
                 }
                 return false;
             }
-        })).join("dburl", "dbUserName", "dbPassowrd", "tableNameOrSQL", 5).setCondition("(name,==,name)").toDataSteam().selectFields("name", "age", "address").toPrint();
+        })).join("dburl", "dbUserName", "dbPassowrd", "tableNameOrSQL", 5).setCondition("(name,==,name)").toDataStream().selectFields("name", "age", "address").toPrint();
         stream.start();
 
     }
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/UnionTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/UnionTest.java
index 2bef585d..11066257 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/UnionTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/UnionTest.java
@@ -72,7 +72,7 @@ public class UnionTest implements Serializable {
             }))
             .join("dburl", "dbUserName", "dbPassowrd", "tableNameOrSQL", 5)
             .setCondition("(name,==,name)")
-            .toDataSteam()
+            .toDataStream()
             .selectFields("name", "age", "address")
             .toPrint();
 
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/WindowTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/WindowTest.java
index 3be7c46c..89dd21b5 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/WindowTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/WindowTest.java
@@ -48,7 +48,7 @@ public class WindowTest implements Serializable {
             .count("total")
             .sum("OutFlow", "OutFlow")
             .sum("InFlow", "InFlow")
-            .toDataSteam()
+            .toDataStream()
             .forEach(new ForEachFunction<JSONObject>() {
                 protected int sum = 0;
 
@@ -153,7 +153,7 @@ public class WindowTest implements Serializable {
             .groupBy("user")
             .setLocalStorageOnly(true)
             .sum("flag", "count")
-            .toDataSteam()
+            .toDataStream()
             .toFile(resultFile.getAbsolutePath()).start(true);
 
         try {
@@ -253,7 +253,7 @@ public class WindowTest implements Serializable {
             .count_distinct("page", "uv")
             .count_distinct_large("page", "uv_large")
             .count_distinct_2("page", "uv_2")
-            .toDataSteam()
+            .toDataStream()
             .toFile(resultFile.getAbsolutePath()).start(true);
 
         try {
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/CountFromFileTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/CountFromFileTest.java
index 606de357..5d25946c 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/CountFromFileTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/CountFromFileTest.java
@@ -33,7 +33,7 @@ public class CountFromFileTest {
             .fromFile("window_msg_88121.txt", true)
             .window(TumblingWindow.of(Time.seconds(5)))
             .count("count_result")
-            .toDataSteam()
+            .toDataStream()
             .toPrint()
             .start();
     }
@@ -46,7 +46,7 @@ public class CountFromFileTest {
             .fromFile("window_msg_10000.txt", true)
             .window(HoppingWindow.of(Time.seconds(10), Time.seconds(5)))
             .count("count_result")
-            .toDataSteam()
+            .toDataStream()
             .toPrint()
             .start();
     }
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/CountSupportEmitTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/CountSupportEmitTest.java
index 26bc9c15..28250680 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/CountSupportEmitTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/CountSupportEmitTest.java
@@ -34,7 +34,7 @@ public class CountSupportEmitTest {
             .window(TumblingWindow.of(Time.minutes(10)))
             .emitBeforeFire(Time.seconds(5))
             .count("count_result")
-            .toDataSteam()
+            .toDataStream()
             .toPrint()
             .start();
         ;
@@ -48,7 +48,7 @@ public class CountSupportEmitTest {
             .fromFile("window_msg_10000.txt", true)
             .window(HoppingWindow.of(Time.seconds(10), Time.seconds(5)))
             .count("count_result")
-            .toDataSteam()
+            .toDataStream()
             .toPrint()
             .start();
         ;
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/DimTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/DimTest.java
index 1004925c..abc50033 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/DimTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/DimTest.java
@@ -29,7 +29,7 @@ public class DimTest {
             .join("classpath://dim.txt", 10000)
             .setJoinType(JoinStream.JoinType.INNER_JOIN)
             .setCondition("(ProjectName,=,project)")
-            .toDataSteam()
+            .toDataStream()
             .toPrint()
             .start();
     }
@@ -41,7 +41,7 @@ public class DimTest {
             .join("classpath://dim.txt", 10000)
             .setJoinType(JoinStream.JoinType.LEFT_JOIN)
             .setCondition("(ProjectName,=,project)")
-            .toDataSteam()
+            .toDataStream()
             .toPrint()
             .start();
     }
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/JoinTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/JoinTest.java
index d3a5f7aa..53bbee43 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/JoinTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/example/JoinTest.java
@@ -64,7 +64,7 @@ public class JoinTest {
 
         DataStream right = StreamBuilder.dataStream("tmp", "tmp2").fromFile("dim.txt", true);
 
-        left.join(right).on("(ProjectName,=,project)").toDataSteam().toPrint().start();
+        left.join(right).on("(ProjectName,=,project)").toDataStream().toPrint().start();
 
     }
 
@@ -74,7 +74,7 @@ public class JoinTest {
 
         DataStream right = StreamBuilder.dataStream("tmp", "tmp2").fromFile("dim.txt", true);
 
-        left.leftJoin(right).on("(ProjectName,=,project)").toDataSteam().toPrint().start();
+        left.leftJoin(right).on("(ProjectName,=,project)").toDataStream().toPrint().start();
     }
 
     @Test
@@ -84,7 +84,7 @@ public class JoinTest {
         //DataStream right = StreamBuilder.dataStream("tmp", "tmp2").fromFile("dim.txt", true);
         DataStream right = StreamBuilder.dataStream("tmp", "tmp").fromRocketmq("TopicTest", "groupB", true, "localhost:9876");
 
-        left.join(right).on("(ProjectName,=,project)").toDataSteam().toPrint().start();
+        left.join(right).on("(ProjectName,=,project)").toDataStream().toPrint().start();
     }
 
 }
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/source/MqttStreamsTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/source/MqttStreamsTest.java
index 9f272304..48162677 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/source/MqttStreamsTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/source/MqttStreamsTest.java
@@ -40,7 +40,7 @@ public class MqttStreamsTest {
             .groupBy("AttributeCode")
             .setLocalStorageOnly(true)
             .avg("Value", "avg_value")
-            .toDataSteam()
+            .toDataStream()
             .toPrint()
             .with(ShuffleStrategy.shuffleWithMemory())
             .start();
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/windows/AbstractWindowFireModeTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/windows/AbstractWindowFireModeTest.java
index 39c04ee8..70ac93c9 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/windows/AbstractWindowFireModeTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/windows/AbstractWindowFireModeTest.java
@@ -76,7 +76,7 @@ public abstract class AbstractWindowFireModeTest implements Serializable {
             .count("total")
             .sum("OutFlow", "OutFlow")
             .sum("InFlow", "inflow")
-            .toDataSteam()
+            .toDataStream()
             .forEach(new ForEachFunction<JSONObject>() {
                 AtomicInteger sum = new AtomicInteger(0) ;
                 @Override
@@ -120,7 +120,7 @@ public abstract class AbstractWindowFireModeTest implements Serializable {
             .count("total")
             .sum("OutFlow", "OutFlow")
             .sum("InFlow", "InFlow")
-            .toDataSteam()
+            .toDataStream()
             .forEach(new ForEachFunction<JSONObject>() {
 
 
@@ -161,7 +161,7 @@ public abstract class AbstractWindowFireModeTest implements Serializable {
             .count("total")
             .sum("OutFlow", "OutFlow")
             .sum("InFlow", "InFlow")
-            .toDataSteam()
+            .toDataStream()
             .map(new MapFunction<JSONObject, JSONObject>() {
                 long time=new Date().getTime();
                 @Override
@@ -178,7 +178,7 @@ public abstract class AbstractWindowFireModeTest implements Serializable {
             .setTimeField("time")
             .sum("total","sum_total")
             .setLocalStorageOnly(true)
-            .toDataSteam()
+            .toDataStream()
             .forEach(new ForEachFunction<JSONObject>() {
                 AtomicInteger sum = new AtomicInteger(0) ;
                 Map<String,Integer> map=new HashMap<>();
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/windows/AbstractWindowTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/windows/AbstractWindowTest.java
index 5a5c346b..75769f0b 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/windows/AbstractWindowTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/windows/AbstractWindowTest.java
@@ -75,7 +75,7 @@ public abstract class AbstractWindowTest implements Serializable {
             .setTimeField("time")
             .sum("total", "sum_total")
             .setLocalStorageOnly(isLocalOnly)
-            .toDataSteam()
+            .toDataStream()
             .forEach(new ForEachFunction<JSONObject>() {
                 AtomicInteger sum = new AtomicInteger(0);
                 Map<String, Integer> map = new HashMap<>();
@@ -144,7 +144,7 @@ public abstract class AbstractWindowTest implements Serializable {
             .count("total")
             .sum("OutFlow", "OutFlow")
             .sum("InFlow", "inflow")
-            .toDataSteam()
+            .toDataStream()
             .forEach(new ForEachFunction<JSONObject>() {
                 AtomicInteger sum = new AtomicInteger(0);
 
diff --git a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/windows/ShuffleOverWindowTest.java b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/windows/ShuffleOverWindowTest.java
index 8794a909..acdeedb1 100644
--- a/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/windows/ShuffleOverWindowTest.java
+++ b/rocketmq-streams-clients/src/test/java/org/apache/rocketmq/streams/client/windows/ShuffleOverWindowTest.java
@@ -33,7 +33,7 @@ public class ShuffleOverWindowTest {
             .topN("rowNum", 10000, "city")
             .addOrderByFieldName("name", true)
             .addOrderByFieldName("age", false)
-            .toDataSteam()
+            .toDataStream()
             .toPrint()
             .start();
     }
diff --git a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/aggregate/PageDimensionExample.java b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/aggregate/PageDimensionExample.java
index 55ed468a..3685ff1c 100644
--- a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/aggregate/PageDimensionExample.java
+++ b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/aggregate/PageDimensionExample.java
@@ -54,7 +54,7 @@ public class PageDimensionExample {
                 .count("total")
                 .waterMark(1)
                 .setLocalStorageOnly(true)
-                .toDataSteam()
+                .toDataStream()
                 .toFile("/home/result.txt")
                 .with(WindowStrategy.highPerformance())
                 .start();
@@ -71,7 +71,7 @@ public class PageDimensionExample {
                 .max("total")
                 .waterMark(1)
                 .setLocalStorageOnly(true)
-                .toDataSteam()
+                .toDataStream()
                 .toPrint(1)
                 .start();
 
diff --git a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/aggregate/RocketMQWindowExample.java b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/aggregate/RocketMQWindowExample.java
index 5461f8dd..82d51d90 100644
--- a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/aggregate/RocketMQWindowExample.java
+++ b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/aggregate/RocketMQWindowExample.java
@@ -70,7 +70,7 @@ public class RocketMQWindowExample {
                 .count("total")
                 .waterMark(5)
                 .setLocalStorageOnly(true)
-                .toDataSteam()
+                .toDataStream()
                 .toPrint(1)
                 .with(WindowStrategy.highPerformance())
                 .start();
diff --git a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/aggregate/UsersDimensionExample.java b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/aggregate/UsersDimensionExample.java
index a6c163df..2a4abdf4 100644
--- a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/aggregate/UsersDimensionExample.java
+++ b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/aggregate/UsersDimensionExample.java
@@ -53,7 +53,7 @@ public class UsersDimensionExample {
                 .count("total")
                 .waterMark(1)
                 .setLocalStorageOnly(true)
-                .toDataSteam()
+                .toDataStream()
                 .toPrint(1)
                 .with(WindowStrategy.highPerformance())
                 .start();
diff --git a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/checkpoint/RemoteCheckpointExample.java b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/checkpoint/RemoteCheckpointExample.java
index 1016e689..62d760dd 100644
--- a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/checkpoint/RemoteCheckpointExample.java
+++ b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/checkpoint/RemoteCheckpointExample.java
@@ -89,7 +89,7 @@ public class RemoteCheckpointExample {
                 .count("total")
                 .waterMark(5)
                 .setLocalStorageOnly(false)
-                .toDataSteam()
+                .toDataStream()
                 .toPrint(1)
                 .start();
     }
diff --git a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/join/RocketmqDimJoinExample.java b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/join/RocketmqDimJoinExample.java
index 7246f6f7..8bc87de3 100644
--- a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/join/RocketmqDimJoinExample.java
+++ b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/join/RocketmqDimJoinExample.java
@@ -25,7 +25,7 @@ public class RocketmqDimJoinExample {
             .fromRocketmq("TopicTest", "groupA", true, "localhost:9876")
             .dimJoin("classpath://dim.txt", 10000L)
             .on("ProjectName, =, project")
-            .toDataSteam()
+            .toDataStream()
             .toPrint()
             .start();
     }
diff --git a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/join/RocketmqJoinExample.java b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/join/RocketmqJoinExample.java
index f4270d8a..8a149ac0 100644
--- a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/join/RocketmqJoinExample.java
+++ b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/join/RocketmqJoinExample.java
@@ -28,7 +28,7 @@ public class RocketmqJoinExample {
 
         left.join(right)
             .on("(ProjectName,=,ProjectName)")
-            .toDataSteam()
+            .toDataStream()
             .toPrint()
             .start();
     }
diff --git a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/mutilconsumer/MultiStreamsExample.java b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/mutilconsumer/MultiStreamsExample.java
index 44b22dbe..888fc69b 100644
--- a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/mutilconsumer/MultiStreamsExample.java
+++ b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/mutilconsumer/MultiStreamsExample.java
@@ -85,7 +85,7 @@ public class MultiStreamsExample {
             .count("total")
             .waterMark(5)
             .setLocalStorageOnly(true)
-            .toDataSteam()
+            .toDataStream()
             .toPrint(1)
             .with(WindowStrategy.highPerformance())
             .start();
diff --git a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/source/MqttSourceExample.java b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/source/MqttSourceExample.java
index d0dbad59..33b8b0a4 100644
--- a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/source/MqttSourceExample.java
+++ b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/source/MqttSourceExample.java
@@ -33,7 +33,7 @@ public class MqttSourceExample {
             .groupBy("AttributeCode")
             .setLocalStorageOnly(true)
             .avg("Value", "avg_value")
-            .toDataSteam()
+            .toDataStream()
             .toPrint()
             .with(ShuffleStrategy.shuffleWithMemory())
             .start();
diff --git a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/source/RocketmqSourceExample4.java b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/source/RocketmqSourceExample4.java
index c9f15839..d117fb1c 100644
--- a/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/source/RocketmqSourceExample4.java
+++ b/rocketmq-streams-examples/src/main/java/org/apache/rocketmq/streams/examples/source/RocketmqSourceExample4.java
@@ -55,7 +55,7 @@ public class RocketmqSourceExample4 {
             return false;
         });
 
-        leftStream.leftJoin(rightStream).setCondition("(ProjectName,==,ProjectName)&(LogStore,==,LogStore)").toDataSteam().toPrint(1).start();
+        leftStream.leftJoin(rightStream).setCondition("(ProjectName,==,ProjectName)&(LogStore,==,LogStore)").toDataStream().toPrint(1).start();
 
         System.out.println("consumer end");
     }