added an algorithm (1 line) to make compositeArtifacts lie in center, and fixed a possible bug in layout algo

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1156944 13f79535-47bb-0310-9956-ffa450edef68

8 files changed, 58 insertions, 13 deletions

diff --git a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/input/composite.xml b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/input/composite.xml
index 345b9065a9..49c33cf2d8 100755
--- a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/input/composite.xml
+++ b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/input/composite.xml
@@ -45,5 +45,15 @@
     <component name="DivideServiceComponent">
         <implementation.java class="calculator.DivideServiceImpl"/>
     </component>
+    
+    <component name="StockQuoteMediatorComponent">
+
+         <implementation.java class="services.myvalue.SQMediatorImpl"/>
+
+         <property name="currency">EURO</property>
+
+         <reference name="stockQuoteService"/>
+
+   </component>
 
 </composite>
\ No newline at end of file
diff --git a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/input/composite_with_compositeService.xml b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/input/composite_with_compositeService.xml
index 33809ea6c3..e619d39c1c 100755
--- a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/input/composite_with_compositeService.xml
+++ b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/input/composite_with_compositeService.xml
@@ -57,6 +57,15 @@
          <reference name="stockQuoteService"/>
 
    </component>
+   
+   <component name="SubtractServiceComponent">
+        <implementation.java class="calculator.SubtractServiceImpl"/>
+    </component>
+
+    <component name="MultiplyServiceComponent">
+        <implementation.java class="calculator.MultiplyServiceImpl"/>
+    </component>
+   
 
  
 
@@ -70,7 +79,7 @@
 
    </reference>
 
- 
+  <property name="currency">EURO</property>
 
    <reference name="StockQuoteService" 
 
diff --git a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/output/Calculator_diagram.svg b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/output/Calculator_diagram.svg
index eb342f4c7e..c99236805e 100755
--- a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/output/Calculator_diagram.svg
+++ b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/output/Calculator_diagram.svg
@@ -1 +1 @@
-<?xml version="1.0" encoding="UTF-8"?><svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" contentScriptType="text/ecmascript" zoomAndPan="magnify" contentStyleType="text/css" preserveAspectRatio="xMidYMid meet" version="1.0"><rect x="0" y="0" alignment-baseline="middle" fill="#E5E5D0" width="1400" rx="20" ry="20" height="1340" stroke="#919191"/><rect x="200" y="100" alignment-baseline="middle" fill="#E5E5E5" width="1000" rx="20" ry="20" height="1140" stroke="#919191"/><text x="700" font-size="15" y="120" dominant-baseline="mathematical">Calculator</text><rect x="400" y="200" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="400" font-size="15" y="350" dominant-baseline="mathematical">CalculatorServiceComponent</text><polygon fill="#00CD66" points="380,210 410,210 425,225 410,240 380,240 395,225 " stroke="#008B45"/><text x="380" font-size="15" y="209" dominant-baseline="mathematical">CalculatorService</text><polygon fill="#BF3EFF" points="586,210 608,210 619,221 608,232 586,232 597,221 " stroke="#68228B"/><text x="586" font-size="15" y="209" dominant-baseline="mathematical">addService</text><polygon fill="#BF3EFF" points="586,242 608,242 619,253 608,264 586,264 597,253 " stroke="#68228B"/><text x="586" font-size="15" y="241" dominant-baseline="mathematical">subtractService</text><polygon fill="#BF3EFF" points="586,274 608,274 619,285 608,296 586,296 597,285 " stroke="#68228B"/><text x="586" font-size="15" y="273" dominant-baseline="mathematical">multiplyService</text><polygon fill="#BF3EFF" points="586,306 608,306 619,317 608,328 586,328 597,317 " stroke="#68228B"/><text x="586" font-size="15" y="305" dominant-baseline="mathematical">divideService</text><rect x="800" y="200" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="800" font-size="15" y="350" dominant-baseline="mathematical">AddServiceComponent</text><polygon fill="#00CD66" points="780,210 810,210 825,225 810,240 780,240 795,225 " stroke="#008B45"/><text x="780" font-size="15" y="209" dominant-baseline="mathematical">AddService</text><rect x="800" y="460" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="800" font-size="15" y="610" dominant-baseline="mathematical">SubtractServiceComponent</text><polygon fill="#00CD66" points="780,470 810,470 825,485 810,500 780,500 795,485 " stroke="#008B45"/><text x="780" font-size="15" y="469" dominant-baseline="mathematical">SubtractService</text><rect x="800" y="720" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="800" font-size="15" y="870" dominant-baseline="mathematical">MultiplyServiceComponent</text><polygon fill="#00CD66" points="780,730 810,730 825,745 810,760 780,760 795,745 " stroke="#008B45"/><text x="780" font-size="15" y="729" dominant-baseline="mathematical">MultiplyService</text><rect x="800" y="980" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="800" font-size="15" y="1130" dominant-baseline="mathematical">DivideServiceComponent</text><polygon fill="#00CD66" points="780,990 810,990 825,1005 810,1020 780,1020 795,1005 " stroke="#008B45"/><text x="780" font-size="15" y="989" dominant-baseline="mathematical">DivideService</text><polyline fill="none" stroke-width="2" points="619,221 639,221 639,225 795,225" stroke="black"/><polyline fill="none" stroke-width="2" points="619,317 644,317 644,1005 795,1005" stroke="black"/><polyline fill="none" stroke-width="2" points="619,285 649,285 649,745 795,745" stroke="black"/><polyline fill="none" stroke-width="2" points="619,253 654,253 654,485 795,485" stroke="black"/></svg>
\ No newline at end of file
+<?xml version="1.0" encoding="UTF-8"?><svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" contentScriptType="text/ecmascript" zoomAndPan="magnify" contentStyleType="text/css" preserveAspectRatio="xMidYMid meet" version="1.0"><rect x="0" y="0" alignment-baseline="middle" fill="#E5E5D0" width="1400" rx="20" ry="20" height="1340" stroke="#919191"/><rect x="200" y="100" alignment-baseline="middle" fill="#E5E5E5" width="1000" rx="20" ry="20" height="1140" stroke="#919191"/><text x="700" font-size="15" y="120" dominant-baseline="mathematical">Calculator</text><rect x="400" y="200" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="400" font-size="15" y="350" dominant-baseline="mathematical">CalculatorServiceComponent</text><polygon fill="#00CD66" points="380,210 410,210 425,225 410,240 380,240 395,225 " stroke="#008B45"/><text x="380" font-size="15" y="209" dominant-baseline="mathematical">CalculatorService</text><polygon fill="#BF3EFF" points="586,210 608,210 619,221 608,232 586,232 597,221 " stroke="#68228B"/><text x="586" font-size="15" y="209" dominant-baseline="mathematical">addService</text><polygon fill="#BF3EFF" points="586,242 608,242 619,253 608,264 586,264 597,253 " stroke="#68228B"/><text x="586" font-size="15" y="241" dominant-baseline="mathematical">subtractService</text><polygon fill="#BF3EFF" points="586,274 608,274 619,285 608,296 586,296 597,285 " stroke="#68228B"/><text x="586" font-size="15" y="273" dominant-baseline="mathematical">multiplyService</text><polygon fill="#BF3EFF" points="586,306 608,306 619,317 608,328 586,328 597,317 " stroke="#68228B"/><text x="586" font-size="15" y="305" dominant-baseline="mathematical">divideService</text><rect x="800" y="200" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="800" font-size="15" y="350" dominant-baseline="mathematical">AddServiceComponent</text><polygon fill="#00CD66" points="780,210 810,210 825,225 810,240 780,240 795,225 " stroke="#008B45"/><text x="780" font-size="15" y="209" dominant-baseline="mathematical">AddService</text><rect x="800" y="460" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="800" font-size="15" y="610" dominant-baseline="mathematical">SubtractServiceComponent</text><polygon fill="#00CD66" points="780,470 810,470 825,485 810,500 780,500 795,485 " stroke="#008B45"/><text x="780" font-size="15" y="469" dominant-baseline="mathematical">SubtractService</text><rect x="800" y="720" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="800" font-size="15" y="870" dominant-baseline="mathematical">MultiplyServiceComponent</text><polygon fill="#00CD66" points="780,730 810,730 825,745 810,760 780,760 795,745 " stroke="#008B45"/><text x="780" font-size="15" y="729" dominant-baseline="mathematical">MultiplyService</text><rect x="800" y="980" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="800" font-size="15" y="1130" dominant-baseline="mathematical">DivideServiceComponent</text><polygon fill="#00CD66" points="780,990 810,990 825,1005 810,1020 780,1020 795,1005 " stroke="#008B45"/><text x="780" font-size="15" y="989" dominant-baseline="mathematical">DivideService</text><rect x="400" y="460" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="400" font-size="15" y="610" dominant-baseline="mathematical">StockQuoteMediatorComponent</text><rect fill="#EEEE00" x="420" width="20" height="20" y="450" stroke="#EEC900"/><text x="420" font-size="15" y="449" dominant-baseline="mathematical">currency</text><polygon fill="#00CD66" points="380,470 410,470 425,485 410,500 380,500 395,485 " stroke="#008B45"/><text x="380" font-size="15" y="469" dominant-baseline="mathematical">SQMediator</text><polygon fill="#BF3EFF" points="580,470 610,470 625,485 610,500 580,500 595,485 " stroke="#68228B"/><text x="580" font-size="15" y="469" dominant-baseline="mathematical">stockQuoteService</text><polyline fill="none" stroke-width="2" points="619,221 639,221 639,225 795,225" stroke="black"/><polyline fill="none" stroke-width="2" points="619,317 644,317 644,1005 795,1005" stroke="black"/><polyline fill="none" stroke-width="2" points="619,285 649,285 649,745 795,745" stroke="black"/><polyline fill="none" stroke-width="2" points="619,253 654,253 654,485 795,485" stroke="black"/></svg>
\ No newline at end of file
diff --git a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/output/MyValueComposite2_diagram.svg b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/output/MyValueComposite2_diagram.svg
index 294a7e03df..8f2772470b 100755
--- a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/output/MyValueComposite2_diagram.svg
+++ b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/output/MyValueComposite2_diagram.svg
@@ -1 +1 @@
-<?xml version="1.0" encoding="UTF-8"?><svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" contentScriptType="text/ecmascript" zoomAndPan="magnify" contentStyleType="text/css" preserveAspectRatio="xMidYMid meet" version="1.0"><rect x="0" y="0" alignment-baseline="middle" fill="#E5E5D0" width="1400" rx="20" ry="20" height="560" stroke="#919191"/><rect x="200" y="100" alignment-baseline="middle" fill="#E5E5E5" width="1000" rx="20" ry="20" height="360" stroke="#919191"/><text x="700" font-size="15" y="120" dominant-baseline="mathematical">MyValueComposite2</text><rect x="400" y="200" fill-opacity="0.75" fill="#3D59AB" width="130" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="400" font-size="15" y="350" dominant-baseline="mathematical">MyValueServiceComponent</text><polygon fill="#00CD66" points="380,210 410,210 425,225 410,240 380,240 395,225 " stroke="#008B45"/><text x="380" font-size="15" y="225" dominant-baseline="mathematical">myValueService</text><polygon fill="#BF3EFF" points="510,210 540,210 555,225 540,240 510,240 525,225 " stroke="#68228B"/><text x="510" font-size="15" y="225" dominant-baseline="mathematical">stockQuoteService</text><polygon fill="#BF3EFF" points="510,250 540,250 555,265 540,280 510,280 525,265 " stroke="#68228B"/><text x="510" font-size="15" y="265" dominant-baseline="mathematical">customerService</text><rect fill="#EEEE00" x="420" width="20" height="20" y="190" stroke="#EEC900"/><text x="420" font-size="15" y="190" dominant-baseline="mathematical">currency</text><rect x="660" y="200" fill-opacity="0.75" fill="#3D59AB" width="130" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="660" font-size="15" y="350" dominant-baseline="mathematical">StockQuoteMediatorComponent</text><polygon fill="#00CD66" points="640,210 670,210 685,225 670,240 640,240 655,225 " stroke="#008B45"/><text x="640" font-size="15" y="225" dominant-baseline="mathematical">SQMediator</text><polygon fill="#BF3EFF" points="770,210 800,210 815,225 800,240 770,240 785,225 " stroke="#68228B"/><text x="770" font-size="15" y="225" dominant-baseline="mathematical">stockQuoteService</text><rect fill="#EEEE00" x="680" width="20" height="20" y="190" stroke="#EEC900"/><text x="680" font-size="15" y="190" dominant-baseline="mathematical">currency</text><polygon fill="#00CD66" points="140,130 230,130 275,175 230,220 140,220 185,175 " stroke="#008B45"/><text x="140" font-size="15" y="175" dominant-baseline="mathematical">MyValueService</text><polygon fill="#BF3EFF" points="1140,130 1230,130 1275,175 1230,220 1140,220 1185,175 " stroke="#68228B"/><text x="1140" font-size="15" y="175" dominant-baseline="mathematical">CustomerService</text><polygon fill="#BF3EFF" points="1140,250 1230,250 1275,295 1230,340 1140,340 1185,295 " stroke="#68228B"/><text x="1140" font-size="15" y="295" dominant-baseline="mathematical">StockQuoteService</text><polyline fill="none" stroke-width="2" points="555,225 655,225" stroke="black"/><polyline fill="none" stroke-dasharray="3 3" stroke-width="2" points="815,225 840,225 840,295 1185,295" stroke="black"/><polyline fill="none" stroke-dasharray="3 3" stroke-width="2" points="555,265 585,265 585,175 1185,175" stroke="black"/><polyline fill="none" stroke-dasharray="3 3" stroke-width="2" points="815,225 850,225 850,175 1185,175" stroke="black"/><polyline fill="none" stroke-dasharray="3 3" stroke-width="2" points="275,175 315,175 315,225 395,225" stroke="black"/><rect x="205" y="390" alignment-baseline="middle" fill="#E5E5C0" width="990" rx="20" ry="20" height="65" stroke="#919191"/><text x="210" font-size="15" y="400" dominant-baseline="mathematical">Included Composites</text><text x="210" font-size="15" y="425" dominant-baseline="mathematical"><a xlink:href="store_diagram.svg" xlink:actuate="onRequest" xlink:type="simple" xlink:show="new" xmlns:xlink="http://www.w3.org/1999/xlink"> store ,</a><a xlink:href="Calculator_diagram.svg" xlink:actuate="onRequest" xlink:type="simple" xlink:show="new" xmlns:xlink="http://www.w3.org/1999/xlink"> Calculator ,</a><a xlink:href="supplychain_diagram.svg" xlink:actuate="onRequest" xlink:type="simple" xlink:show="new" xmlns:xlink="http://www.w3.org/1999/xlink"> supplychain ,</a></text></svg>
\ No newline at end of file
+<?xml version="1.0" encoding="UTF-8"?><svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" contentScriptType="text/ecmascript" zoomAndPan="magnify" contentStyleType="text/css" preserveAspectRatio="xMidYMid meet" version="1.0"><rect x="0" y="0" alignment-baseline="middle" fill="#E5E5D0" width="1400" rx="20" ry="20" height="1080" stroke="#919191"/><rect x="200" y="100" alignment-baseline="middle" fill="#E5E5E5" width="1000" rx="20" ry="20" height="880" stroke="#919191"/><text x="220" font-size="15" y="120" dominant-baseline="mathematical">MyValueComposite2</text><rect x="400" y="200" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="400" font-size="15" y="350" dominant-baseline="mathematical">MyValueServiceComponent</text><rect fill="#EEEE00" x="420" width="20" height="20" y="190" stroke="#EEC900"/><text x="420" font-size="15" y="189" dominant-baseline="mathematical">currency</text><polygon fill="#00CD66" points="380,210 410,210 425,225 410,240 380,240 395,225 " stroke="#008B45"/><text x="380" font-size="15" y="209" dominant-baseline="mathematical">myValueService</text><polygon fill="#BF3EFF" points="580,210 610,210 625,225 610,240 580,240 595,225 " stroke="#68228B"/><text x="580" font-size="15" y="209" dominant-baseline="mathematical">stockQuoteService</text><polygon fill="#BF3EFF" points="580,250 610,250 625,265 610,280 580,280 595,265 " stroke="#68228B"/><text x="580" font-size="15" y="249" dominant-baseline="mathematical">customerService</text><rect x="800" y="200" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="800" font-size="15" y="350" dominant-baseline="mathematical">StockQuoteMediatorComponent</text><rect fill="#EEEE00" x="820" width="20" height="20" y="190" stroke="#EEC900"/><text x="820" font-size="15" y="189" dominant-baseline="mathematical">currency</text><polygon fill="#00CD66" points="780,210 810,210 825,225 810,240 780,240 795,225 " stroke="#008B45"/><text x="780" font-size="15" y="209" dominant-baseline="mathematical">SQMediator</text><polygon fill="#BF3EFF" points="980,210 1010,210 1025,225 1010,240 980,240 995,225 " stroke="#68228B"/><text x="980" font-size="15" y="209" dominant-baseline="mathematical">stockQuoteService</text><rect x="400" y="460" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="400" font-size="15" y="610" dominant-baseline="mathematical">SubtractServiceComponent</text><polygon fill="#00CD66" points="380,470 410,470 425,485 410,500 380,500 395,485 " stroke="#008B45"/><text x="380" font-size="15" y="469" dominant-baseline="mathematical">SubtractService</text><rect x="400" y="720" fill-opacity="0.75" fill="#3D59AB" width="200" rx="20" ry="20" height="130" stroke="#104E8B"/><text x="400" font-size="15" y="870" dominant-baseline="mathematical">MultiplyServiceComponent</text><polygon fill="#00CD66" points="380,730 410,730 425,745 410,760 380,760 395,745 " stroke="#008B45"/><text x="380" font-size="15" y="729" dominant-baseline="mathematical">MultiplyService</text><rect fill="#EEEE00" x="670" width="60" height="60" y="70" stroke="#EEC900"/><text x="670" font-size="15" y="69" dominant-baseline="mathematical">currency</text><polygon fill="#00CD66" points="140,495 230,495 275,540 230,585 140,585 185,540 " stroke="#008B45"/><text x="140" font-size="15" y="494" dominant-baseline="mathematical">MyValueService</text><polygon fill="#BF3EFF" points="1140,425 1230,425 1275,470 1230,515 1140,515 1185,470 " stroke="#68228B"/><text x="1140" font-size="15" y="424" dominant-baseline="mathematical">CustomerService</text><polygon fill="#BF3EFF" points="1140,565 1230,565 1275,610 1230,655 1140,655 1185,610 " stroke="#68228B"/><text x="1140" font-size="15" y="564" dominant-baseline="mathematical">StockQuoteService</text><polyline fill="none" stroke-width="2" points="625,225 795,225" stroke="black"/><polyline fill="none" stroke-dasharray="3 3" stroke-width="2" points="1025,225 1050,225 1050,610 1185,610" stroke="black"/><polyline fill="none" stroke-dasharray="3 3" stroke-width="2" points="625,265 655,265 655,470 1185,470" stroke="black"/><polyline fill="none" stroke-dasharray="3 3" stroke-width="2" points="1025,225 1060,225 1060,470 1185,470" stroke="black"/><polyline fill="none" stroke-dasharray="3 3" stroke-width="2" points="275,540 315,540 315,225 395,225" stroke="black"/><rect x="205" y="910" alignment-baseline="middle" fill="#E5E5C0" width="990" rx="20" ry="20" height="65" stroke="#919191"/><text x="210" font-size="15" y="920" dominant-baseline="mathematical">Included Composites</text><text x="210" font-size="15" y="945" dominant-baseline="mathematical"><a xlink:href="store_diagram.svg" xlink:actuate="onRequest" xlink:type="simple" xlink:show="new" xmlns:xlink="http://www.w3.org/1999/xlink"> store ,</a><a xlink:href="Calculator_diagram.svg" xlink:actuate="onRequest" xlink:type="simple" xlink:show="new" xmlns:xlink="http://www.w3.org/1999/xlink"> Calculator ,</a><a xlink:href="supplychain_diagram.svg" xlink:actuate="onRequest" xlink:type="simple" xlink:show="new" xmlns:xlink="http://www.w3.org/1999/xlink"> supplychain ,</a></text></svg>
\ No newline at end of file
diff --git a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/impl/artifacts/Constant.java b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/impl/artifacts/Constant.java
index 79d7a2981a..a08fedfd49 100755
--- a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/impl/artifacts/Constant.java
+++ b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/impl/artifacts/Constant.java
@@ -14,12 +14,12 @@ public final class Constant {
 	public static final int DEFAULT_MAXIMUM_HEIGHT_FOR_COMPONENT_OF_REFERENCE = 30 ;	
 	public static final int DEFAULT_MAXIMUM_HEIGHT_FOR_COMPOSITE_OF_REFERENCE = 90 ;
 	public static final int SPACING_FOR_COMPONENT_OF_REFERENCE = 10 ;
-	public static final int SPACING_FOR_COMPOSITE_OF_REFERENCE = 30 ;
+	public static final int SPACING_FOR_COMPOSITE_OF_REFERENCE = 50 ;
 	
 	public static final int DEFAULT_MAXIMUM_HEIGHT_FOR_COMPONENT_OF_SERVICE = 30 ;	
 	public static final int DEFAULT_MAXIMUM_HEIGHT_FOR_COMPOSITE_OF_SERVICE = 90 ;
 	public static final int SPACING_FOR_COMPONENT_OF_SERVICE = 10 ;
-	public static final int SPACING_FOR_COMPOSITE_OF_SERVICE = 30 ;
+	public static final int SPACING_FOR_COMPOSITE_OF_SERVICE = 50 ;
 	
 	public static final int SPACING_FOR_TEXT = 1 ;
 
diff --git a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/impl/diagram/DiagramGenerator.java b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/impl/diagram/DiagramGenerator.java
index 07c781f3e4..544ce37a2f 100755
--- a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/impl/diagram/DiagramGenerator.java
+++ b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/impl/diagram/DiagramGenerator.java
@@ -449,10 +449,13 @@ public class DiagramGenerator {
 
 		int serHeight = comp.getSerHeight();
 		int x= comp.getX()-(serHeight*2/3);
-		int y= comp.getY() + Constant.SPACING_FOR_COMPOSITE_OF_SERVICE;
+		int y= comp.getY() + getStartingPoint(comp.getHeight(), serHeight, Constant.SPACING_FOR_COMPOSITE_OF_SERVICE, 
+				comp.getServices().size());
+		
+		//int y= comp.getY() + Constant.SPACING_FOR_COMPOSITE_OF_SERVICE;
 
-		System.err.println(serHeight);
-		System.out.println("''''''"+((CompositeEntity)comp).getName() +" '''''' "+ comp.getServices().size());
+		//System.err.println(serHeight);
+		//System.out.println("''''''"+((CompositeEntity)comp).getName() +" '''''' "+ comp.getServices().size());
 		for(String ser: comp.getServices()){
 
 			ServiceArtifact serve= new ServiceArtifact();
@@ -477,8 +480,10 @@ public class DiagramGenerator {
 	private void addCompositeReference() {
 
 		int refHeight = comp.getRefHeight();
+		
 		int x=(comp.getX()+comp.getWidth())-(refHeight*2/3);
-		int y=comp.getY() + Constant.SPACING_FOR_COMPOSITE_OF_REFERENCE;
+		int y= comp.getY() + getStartingPoint(comp.getHeight(), refHeight, Constant.SPACING_FOR_COMPOSITE_OF_REFERENCE, 
+				comp.getReferences().size());
 
 		for(String ref: comp.getReferences()){
 			ReferenceArtifact refer= new ReferenceArtifact();
@@ -497,9 +502,19 @@ public class DiagramGenerator {
 
 	}
 
+	//Algorithm to position in center
+	private int getStartingPoint(int compDim, int artifactDim, int gap, int artifactQty) {
+
+		int x = (compDim - artifactQty * artifactDim - (artifactQty-1) * gap ) / 2;
+		return x;
+	}
+
 	private void addCompositeProperties() {
 		int propLen = comp.getPropLength();
-		int x= comp.getX() + Constant.SPACING_FOR_COMPOSITE_OF_PROPERTY;
+		
+		int x= comp.getX() + getStartingPoint(comp.getWidth(), propLen, Constant.SPACING_FOR_COMPOSITE_OF_PROPERTY, 
+				comp.getProperties().size());
+		//int x= comp.getX() + Constant.SPACING_FOR_COMPOSITE_OF_PROPERTY;
 		int y= comp.getY()-propLen/2;
 
 		for(String prop: comp.getProperties()){
@@ -537,7 +552,7 @@ public class DiagramGenerator {
 		CompositeArtifact composite = new CompositeArtifact();
 
 		Element composi = composite.addElement(doc, svgNS, comp.getX(), comp.getY(), comp.getHeight(), comp.getWidth());
-		Element text = Text.addTextElement(doc, svgNS, comp.getX() +comp.getWidth()/2, comp.getY() +20, comp.getName());
+		Element text = Text.addTextElement(doc, svgNS, comp.getX()+20, comp.getY() +20, comp.getName());
 
 		svgRoot.appendChild(composi);
 		svgRoot.appendChild(text);
diff --git a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/impl/layout/LayoutBuilder.java b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/impl/layout/LayoutBuilder.java
index b7c594f406..b4ea2bdaa4 100755
--- a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/impl/layout/LayoutBuilder.java
+++ b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/impl/layout/LayoutBuilder.java
@@ -82,6 +82,7 @@ public class LayoutBuilder {
 			assignPositions(startEnt);
 		}
 		
+		assignPositionsOfOtherConncetedEntities();//such as a different cluster of components
 		assignPositionsOfIdleEntities();
 		assignCoordinates();
 		
@@ -93,7 +94,17 @@ public class LayoutBuilder {
 
 		for(Entity ent: elts){
 			if(!ent.isPossitionSet()){
-				this.setPosition(ent, ++currentMaxLevel, 0);
+				
+				setPosition(ent, currentMaxLevel++, 0);
+			}
+		}
+	}
+		
+	private void assignPositionsOfOtherConncetedEntities() {
+
+		for(Entity ent: elts){
+			if(!ent.isPossitionSet() && isConnected(ent.getId())){
+				assignPositions(ent);
 			}
 		}
 	}
diff --git a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/main/Main.java b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/main/Main.java
index 67e9a5019e..f56c88aed4 100755
--- a/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/main/Main.java
+++ b/collaboration/GSoC-2011-Nirmal/CompositeDiagramGeneratorUsingBatik/src/main/java/org/apache/tuscany/sca/main/Main.java
@@ -38,7 +38,7 @@ public class Main {
 	public static void main(String[] args) throws Exception {
 
 		XMLReader reader = new XMLReader();
-		Document doc =reader.parseXMLFile(System.getProperty("user.dir")+"/input/composite.xml");//composite1.xml composite_with_compositeService.xml");
+		Document doc =reader.parseXMLFile(System.getProperty("user.dir")+"/input/composite_with_compositeService.xml");//composite1.xml composite_with_compositeService.xml");
 		EntityBuilder eb = new EntityBuilder(doc);
 		CompositeEntity comp =eb.buildCompositeEntity();