From cbab6fa59fcc3b76b1400064081a029f8a5e803d Mon Sep 17 00:00:00 2001
From: Juergen Hoeller <jhoeller@vmware.com>
Date: Fri, 1 Oct 2010 22:22:50 +0000
Subject: [PATCH] reduced BeanDefinition footprint by initializing Sets and
 Maps with 0

---
 .../org/springframework/beans/MutablePropertyValues.java    | 2 +-
 .../beans/factory/config/ConstructorArgumentValues.java     | 4 ++--
 .../beans/factory/support/AbstractBeanDefinition.java       | 2 +-
 .../beans/factory/support/MethodOverrides.java              | 4 ++--
 .../beans/factory/support/RootBeanDefinition.java           | 6 +++---
 5 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/org.springframework.beans/src/main/java/org/springframework/beans/MutablePropertyValues.java b/org.springframework.beans/src/main/java/org/springframework/beans/MutablePropertyValues.java
index 44d481bbb7..470a705dd5 100644
--- a/org.springframework.beans/src/main/java/org/springframework/beans/MutablePropertyValues.java
+++ b/org.springframework.beans/src/main/java/org/springframework/beans/MutablePropertyValues.java
@@ -50,7 +50,7 @@ public class MutablePropertyValues implements PropertyValues, Serializable {
 	 * @see #add(String, Object)
 	 */
 	public MutablePropertyValues() {
-		this.propertyValueList = new ArrayList<PropertyValue>();
+		this.propertyValueList = new ArrayList<PropertyValue>(0);
 	}
 
 	/**
diff --git a/org.springframework.beans/src/main/java/org/springframework/beans/factory/config/ConstructorArgumentValues.java b/org.springframework.beans/src/main/java/org/springframework/beans/factory/config/ConstructorArgumentValues.java
index a0701c2558..3a3aa9df17 100644
--- a/org.springframework.beans/src/main/java/org/springframework/beans/factory/config/ConstructorArgumentValues.java
+++ b/org.springframework.beans/src/main/java/org/springframework/beans/factory/config/ConstructorArgumentValues.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2009 the original author or authors.
+ * Copyright 2002-2010 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -42,7 +42,7 @@ import org.springframework.util.ObjectUtils;
  */
 public class ConstructorArgumentValues {
 
-	private final Map<Integer, ValueHolder> indexedArgumentValues = new LinkedHashMap<Integer, ValueHolder>();
+	private final Map<Integer, ValueHolder> indexedArgumentValues = new LinkedHashMap<Integer, ValueHolder>(0);
 
 	private final List<ValueHolder> genericArgumentValues = new LinkedList<ValueHolder>();
 
diff --git a/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanDefinition.java b/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanDefinition.java
index e7c98618ec..f5852c44bd 100644
--- a/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanDefinition.java
+++ b/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanDefinition.java
@@ -147,7 +147,7 @@ public abstract class AbstractBeanDefinition extends BeanMetadataAttributeAccess
 	private boolean primary = false;
 
 	private final Map<String, AutowireCandidateQualifier> qualifiers =
-			new LinkedHashMap<String, AutowireCandidateQualifier>();
+			new LinkedHashMap<String, AutowireCandidateQualifier>(0);
 
 	private boolean nonPublicAccessAllowed = true;
 
diff --git a/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/MethodOverrides.java b/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/MethodOverrides.java
index e4ddfcd6ea..c8ba6e4b07 100644
--- a/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/MethodOverrides.java
+++ b/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/MethodOverrides.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2008 the original author or authors.
+ * Copyright 2002-2010 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -34,7 +34,7 @@ import java.util.Set;
  */
 public class MethodOverrides {
 
-	private final Set<MethodOverride> overrides = new HashSet<MethodOverride>();
+	private final Set<MethodOverride> overrides = new HashSet<MethodOverride>(0);
 
 
 	/**
diff --git a/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/RootBeanDefinition.java b/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/RootBeanDefinition.java
index 39e2915fa3..8d816a2b20 100644
--- a/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/RootBeanDefinition.java
+++ b/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/RootBeanDefinition.java
@@ -48,11 +48,11 @@ import org.springframework.util.Assert;
  */
 public class RootBeanDefinition extends AbstractBeanDefinition {
 
-	private final Set<Member> externallyManagedConfigMembers = Collections.synchronizedSet(new HashSet<Member>());
+	private final Set<Member> externallyManagedConfigMembers = Collections.synchronizedSet(new HashSet<Member>(0));
 
-	private final Set<String> externallyManagedInitMethods = Collections.synchronizedSet(new HashSet<String>());
+	private final Set<String> externallyManagedInitMethods = Collections.synchronizedSet(new HashSet<String>(0));
 
-	private final Set<String> externallyManagedDestroyMethods = Collections.synchronizedSet(new HashSet<String>());
+	private final Set<String> externallyManagedDestroyMethods = Collections.synchronizedSet(new HashSet<String>(0));
 
 	private BeanDefinitionHolder decoratedDefinition;