add changelog for RC2

This commit is contained in:
dsyer
2009-03-20 17:47:40 +00:00
parent 6f3d29fd45
commit bdab2d99c9
8 changed files with 10 additions and 3 deletions

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@@ -4,6 +4,7 @@
<artifactId>org.springframework.batch.archetype</artifactId>
<packaging>pom</packaging>
<name>Archetypes</name>
<url>http://static.springframework.org/spring-batch/${artifactId}</url>
<description>
<![CDATA[
Spring Batch archetypes are simple project templates containing just enough code
@@ -19,7 +20,7 @@
<groupId>org.springframework.batch</groupId>
<artifactId>org.springframework.batch</artifactId>
<version>2.0.0.CI-SNAPSHOT</version>
<relativePath>..</relativePath>
<relativePath>../spring-batch-parent</relativePath>
</parent>
<modules>

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@@ -4,6 +4,7 @@
<artifactId>org.springframework.batch.core</artifactId>
<packaging>jar</packaging>
<name>Core</name>
<url>http://static.springframework.org/spring-batch/${artifactId}</url>
<description>
<!-- Use CDATA to keep it on a single line in the manifest -->
<![CDATA[Core domain for batch processing, expressing a domain of Jobs, Steps, Chunks, etc.]]>

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@@ -3,6 +3,7 @@
<artifactId>org.springframework.batch.infrastructure</artifactId>
<packaging>jar</packaging>
<name>Infrastructure</name>
<url>http://static.springframework.org/spring-batch/${artifactId}</url>
<description>
<!-- Use CDATA to keep it on a single line in the manifest -->
<![CDATA[The Spring Batch Infrastructure is a set of low-level components, interfaces and tools for batch processing applications and optimisations.]]>

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@@ -6,7 +6,7 @@
<artifactId>org.springframework.batch.parent</artifactId>
<version>2.0.0.CI-SNAPSHOT</version>
<name>Spring Batch Parent</name>
<url>http://static.springframework.org/spring-batch</url>
<url>http://static.springframework.org/spring-batch/${artifactId}</url>
<description>
Spring Batch parent project. Defines dependencies and common configuration for the
build process.

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@@ -3,6 +3,7 @@
<artifactId>org.springframework.batch.samples</artifactId>
<packaging>jar</packaging>
<name>Samples</name>
<url>http://static.springframework.org/spring-batch/${artifactId}</url>
<description>
<!-- Use CDATA to keep it on a single line in the manifest -->
<![CDATA[Example batch jobs using Spring Batch Core and Execution.]]>

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@@ -3,6 +3,7 @@
<modelVersion>4.0.0</modelVersion>
<artifactId>org.springframework.batch.test</artifactId>
<name>Test</name>
<url>http://static.springframework.org/spring-batch/${artifactId}</url>
<packaging>jar</packaging>
<description>Domain for batch job testing</description>

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@@ -15,6 +15,8 @@
* {{{2.0-highlights.html}Highlights of changes between 1.x and 2.0}}
* {{{2.0-rc1-rc2.html}2.0.0.RC1 to 2.0.0.RC2}}
* {{{2.0-m4-rc1.html}2.0.0.M4 to 2.0.0.RC1}}
* {{{2.0-m3-m4.html}2.0.0.M3 to 2.0.0.M4}}

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@@ -9,7 +9,7 @@ State and Thread Safety in Spring Batch
A stateless component is thread safe, but sometimes not practical (you need to store some state). A stateful component can be thread safe, if its contract is clearly explained to and met by its clients. Spring Batch has a lot of stateful components, which by and large are not capable of being used in a thread safe manner, but that doesn't have to be the case for ever.
Components with private non-final fields are not necessarily stateful in practice - Spring components often have fields that are injected or initialized after the object is created. The working definition of "stateless" for the present purposes is a component with fields that do not change after initialization, which has the usual Spring lifecycle meaning (i.e. once "released into the wild" with <<<BeanFactory.getBean()>>, or the equivalent).
Components with private non-final fields are not necessarily stateful in practice - Spring components often have fields that are injected or initialized after the object is created. The working definition of "stateless" for the present purposes is a component with fields that do not change after initialization, which has the usual Spring lifecycle meaning (i.e. once "released into the wild" with <<<BeanFactory.getBean()>>>, or the equivalent).
Conversely, even components with only final fields are not necessarily stateless. They can have the appearance of statelessness (and thread safety), but if they mutate their final fields, then they are stateful by association. It is not always possible to tell from the implementation of a component whether it is stateful by association, since it depends entirely on the implementation of its fields, whose concrete type may not even be known at compile time.