BUG-1281: Optimized CompositeNodeWrapper

When wrapping entries, we know how many we will need, so let the
ArrayList know that.

Change-Id: Ic2fc4ef451a5cdc11a8dfebccaf5a1c605e6e66d
Signed-off-by: Robert Varga <rovarga@cisco.com>

diff --git a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/restconf/impl/CompositeNodeWrapper.java b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/restconf/impl/CompositeNodeWrapper.java
index 96ad528a0dd3f9e0591b78b2be702e9b1d004c4c..69b975dab7e5ef15bb7e5ad4cf389ed55f0ef9c8 100644 (file)
--- a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/restconf/impl/CompositeNodeWrapper.java
+++ b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/restconf/impl/CompositeNodeWrapper.java
@@ -7,6 +7,8 @@
  */
 package org.opendaylight.controller.sal.restconf.impl;
 
  */
 package org.opendaylight.controller.sal.restconf.impl;
 

+import com.google.common.base.Preconditions;
+

 import java.net.URI;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.net.URI;
 import java.util.ArrayList;
 import java.util.Collection;


@@ -23,8 +25,6 @@ import org.opendaylight.yangtools.yang.data.api.Node;
 import org.opendaylight.yangtools.yang.data.api.SimpleNode;
 import org.opendaylight.yangtools.yang.data.impl.NodeFactory;
 
 import org.opendaylight.yangtools.yang.data.api.SimpleNode;
 import org.opendaylight.yangtools.yang.data.impl.NodeFactory;
 

-import com.google.common.base.Preconditions;
-

 public final class CompositeNodeWrapper implements NodeWrapper<CompositeNode>, CompositeNode {
 
     private MutableCompositeNode compositeNode;
 public final class CompositeNodeWrapper implements NodeWrapper<CompositeNode>, CompositeNode {
 
     private MutableCompositeNode compositeNode;


@@ -104,7 +104,7 @@ public final class CompositeNodeWrapper implements NodeWrapper<CompositeNode>, C
                 name = new QName(namespace, localName);
             }
 
                 name = new QName(namespace, localName);
             }
 

-            List<Node<?>> nodeValues = new ArrayList<>();
+            List<Node<?>> nodeValues = new ArrayList<>(values.size());

             for (NodeWrapper<?> nodeWrapper : values) {
                 nodeValues.add(nodeWrapper.unwrap());
             }
             for (NodeWrapper<?> nodeWrapper : values) {
                 nodeValues.add(nodeWrapper.unwrap());
             }