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From cutt...@apache.org
Subject svn commit: r439046 - in /lucene/hadoop/trunk: CHANGES.txt src/java/org/apache/hadoop/conf/Configuration.java src/test/org/apache/hadoop/conf/TestConfiguration.java
Date Thu, 31 Aug 2006 21:01:06 GMT
Author: cutting
Date: Thu Aug 31 14:01:05 2006
New Revision: 439046

URL: http://svn.apache.org/viewvc?rev=439046&view=rev
Log:
HADOOP-196.  Fix Configuration(Configuration) constructor to work correctly.  Contributed
by Sami Siren.

Modified:
    lucene/hadoop/trunk/CHANGES.txt
    lucene/hadoop/trunk/src/java/org/apache/hadoop/conf/Configuration.java
    lucene/hadoop/trunk/src/test/org/apache/hadoop/conf/TestConfiguration.java

Modified: lucene/hadoop/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/CHANGES.txt?rev=439046&r1=439045&r2=439046&view=diff
==============================================================================
--- lucene/hadoop/trunk/CHANGES.txt (original)
+++ lucene/hadoop/trunk/CHANGES.txt Thu Aug 31 14:01:05 2006
@@ -104,6 +104,9 @@
 25. HADOOP-460. Fix contrib/smallJobsBenchmark to use Text instead of
     UTF8.  (Sanjay Dahiya via cutting)
 
+26. HADOOP-196.  Fix Configuration(Configuration) constructor to work
+    correctly.  (Sami Siren via cutting)
+
 
 Release 0.5.0 - 2006-08-04
 

Modified: lucene/hadoop/trunk/src/java/org/apache/hadoop/conf/Configuration.java
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/java/org/apache/hadoop/conf/Configuration.java?rev=439046&r1=439045&r2=439046&view=diff
==============================================================================
--- lucene/hadoop/trunk/src/java/org/apache/hadoop/conf/Configuration.java (original)
+++ lucene/hadoop/trunk/src/java/org/apache/hadoop/conf/Configuration.java Thu Aug 31 14:01:05
2006
@@ -75,6 +75,7 @@
   private ArrayList finalResources = new ArrayList();
 
   private Properties properties;
+  private Properties overlay;
   private ClassLoader classLoader;
   {
     classLoader = Thread.currentThread().getContextClassLoader();
@@ -102,6 +103,8 @@
     this.finalResources = (ArrayList)other.finalResources.clone();
     if (other.properties != null)
       this.properties = (Properties)other.properties.clone();
+    if(other.overlay!=null)
+      this.overlay = (Properties)other.overlay.clone();
   }
 
   /** Add a default resource. */
@@ -197,9 +200,17 @@
 
   /** Sets the value of the <code>name</code> property. */
   public void set(String name, Object value) {
+    getOverlay().setProperty(name, value.toString());
     getProps().setProperty(name, value.toString());
   }
   
+  private synchronized Properties getOverlay() {
+    if(overlay==null){
+      overlay=new Properties();
+    }
+    return overlay;
+  }
+
   /** Returns the value of the <code>name</code> property.  If no such property
    * exists, then <code>defaultValue</code> is returned.
    */
@@ -446,6 +457,8 @@
       loadResources(newProps, defaultResources, false, false);
       loadResources(newProps, finalResources, true, true);
       properties = newProps;
+      if(overlay!=null)
+        properties.putAll(overlay);
     }
     return properties;
   }

Modified: lucene/hadoop/trunk/src/test/org/apache/hadoop/conf/TestConfiguration.java
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/test/org/apache/hadoop/conf/TestConfiguration.java?rev=439046&r1=439045&r2=439046&view=diff
==============================================================================
--- lucene/hadoop/trunk/src/test/org/apache/hadoop/conf/TestConfiguration.java (original)
+++ lucene/hadoop/trunk/src/test/org/apache/hadoop/conf/TestConfiguration.java Thu Aug 31
14:01:05 2006
@@ -15,28 +15,49 @@
  */
 package org.apache.hadoop.conf;
 
-import java.io.BufferedOutputStream;
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Iterator;
 
 import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.mapred.JobConf;
 
 import junit.framework.TestCase;
 
 
 public class TestConfiguration extends TestCase {
-    
-  public void testVariableSubstitution() throws IOException {
-    Configuration conf = new Configuration();
-    final String CONFIG = new File("./test-config.xml").getAbsolutePath();
-    this.out = new BufferedWriter(new FileWriter(CONFIG));
+
+  private Configuration conf;
+  final static String CONFIG = new File("./test-config.xml").getAbsolutePath();
+  final static String CONFIG2 = new File("./test-config2.xml").getAbsolutePath();
+
+  protected void setUp() throws Exception {
+    super.setUp();
+    conf = new Configuration();
+  }
+  
+  protected void tearDown() throws Exception {
+    super.tearDown();
+    new File(CONFIG).delete();
+    new File(CONFIG2).delete();
+  }
+  
+  private void startConfig() throws IOException{
     out.write("<?xml version=\"1.0\"?>\n");
     out.write("<configuration>\n");
+  }
+
+  private void endConfig() throws IOException{
+    out.write("</configuration>\n");
+    out.close();
+  }
+  
+  public void testVariableSubstitution() throws IOException {
+    out=new BufferedWriter(new FileWriter(CONFIG));
+    startConfig();
     declareProperty("my.int", "${intvar}", "42");
     declareProperty("intvar", "42", "42");
     declareProperty("my.base", "/tmp/${user.name}", UNSPEC);
@@ -46,8 +67,7 @@
     declareProperty("my.fullfile", "${my.base}/${my.file}${my.suffix}", UNSPEC);
     // check that undefined variables are returned as-is
     declareProperty("my.failsexpand", "a${my.undefvar}b", "a${my.undefvar}b");
-    out.write("</configuration>\n");
-    out.close();
+    endConfig();
     Path fileResource = new Path(CONFIG);
     conf.addDefaultResource(fileResource);
 
@@ -70,8 +90,6 @@
     // check that expansion also occurs for getInt()
     assertTrue(conf.getInt("intvar", -1) == 42);
     assertTrue(conf.getInt("my.int", -1) == 42);
-      
-    new File(CONFIG).delete();
   }
     
   public static void assertEq(Object a, Object b) {
@@ -107,6 +125,39 @@
     out.write(val);
     out.write("</value>");
     out.write("</property>\n");
+  }
+  
+  public void testOverlay() throws IOException{
+    out=new BufferedWriter(new FileWriter(CONFIG));
+    startConfig();
+    appendProperty("a","b");
+    appendProperty("b","c");
+    appendProperty("d","e");
+    endConfig();
+
+    out=new BufferedWriter(new FileWriter(CONFIG2));
+    startConfig();
+    appendProperty("a","b");
+    appendProperty("b","d");
+    endConfig();
+
+    
+    
+    Path fileResource = new Path(CONFIG);
+    conf.addDefaultResource(fileResource);
+    
+    //set dynamically something
+    conf.set("c","d");
+    conf.set("a","d");
+    
+    Configuration clone=new Configuration(conf);
+    clone.addFinalResource(new Path(CONFIG2));
+    
+    assertEquals(clone.get("a"), "d"); 
+    assertEquals(clone.get("b"), "d"); 
+    assertEquals(clone.get("c"), "d"); 
+    assertEquals(clone.get("d"), "e"); 
+    
   }
 
   BufferedWriter out;



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