Rename message_key => column_name

README.md

@@ -15,7 +15,7 @@ $ embulk gem install embulk-parser-none
 
 ## Configuration
 
-- **message_key**: A column name which this plugin outputs (string, default: "message")
+- **column_name**: A column name which this plugin outputs (string, default: "payload")
 
 ## Example
 
@@ -25,7 +25,7 @@ in:
   path_prefix: example.txt
   parser:
     type: none
-    message_key: message
+    column_name: payload
 ```
 
 Assume the input file (example.txt) is as following:
@@ -39,7 +39,7 @@ then this plugin treats as:
 
 ```
 +----------------+
-| message:string |
+| payload:string |
 +----------------+
 | foo bar baz    |
 | foo bar baz    |
@@ -82,6 +82,7 @@ out:
 Run example:
 
 ```
+$ embulk gem install embulk-formatter-single_value
 $ ./gradlew classpath
 $ embulk run -I lib example.yml
 ```

example.yml

@@ -3,12 +3,11 @@ in:
   path_prefix: example.txt
   parser:
     type: none
-    message_key: message
+    column_name: payload
 out:
   type: file
   path_prefix: example.txt
   sequence_format: ""
   file_ext: .out
   formatter:
-    type: csv
-    quote_policy: NONE
+    type: single_value

src/main/java/org/embulk/parser/NoneParserPlugin.java

@@ -33,9 +33,9 @@ public class NoneParserPlugin
     public interface PluginTask
             extends Task, LineDecoder.DecoderTask //, TimestampParser.Task
     {
-        @Config("message_key")
-        @ConfigDefault("\"message\"")
-        public String getMessageKey();
+        @Config("column_name")
+        @ConfigDefault("\"payload\"")
+        public String getColumnName();
     }
 
     @Override
@@ -43,9 +43,9 @@ public class NoneParserPlugin
     {
         PluginTask task = config.loadConfig(PluginTask.class);
         ArrayList<ColumnConfig> columns = new ArrayList<ColumnConfig>();
-        final String messageKey = task.getMessageKey();
+        final String columnName = task.getColumnName();
 
-        columns.add(new ColumnConfig(messageKey, STRING ,config));
+        columns.add(new ColumnConfig(columnName, STRING ,config));
 
         Schema schema = new SchemaConfig(columns).toSchema();
         control.run(task.dump(), schema);
@@ -59,7 +59,7 @@ public class NoneParserPlugin
         LineDecoder lineDecoder = new LineDecoder(input,task);
         PageBuilder pageBuilder = new PageBuilder(Exec.getBufferAllocator(), schema, output);
         String line = null;
-        final String messageKey = task.getMessageKey();
+        final String columnName = task.getColumnName();
 
         while( input.nextFile() ){
             while(true){