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JIRA: https://jira.spring.io/browse/INT-3352 Provid a global lock registry, initially for the correlating message handlers. INT-3252 Polishing - Use a discrete key for each lock and use Redis EXPIRE - Use an internal DefaultLockRegistry to improve latency when threads are using the same registry instance. INT-3352 More Polish - Put localLock.unlock() in a finally block. - Unlock localLock if acquiring the RedisLock fails. INT-3352 Polishing - PR Comments - PR Comments - Improve equals() INT-3352 Add Aggregator Integration Test - move lock registry to the `util` package - Add an aggregator integration test INT-3352 Add Distributed Aggregator Test - Simulates a distributed environment with a shared message store and distinct lock registries. INT-3352 More PR Comments INT-3352 Add Multiple Registry Tests - Add tests to verify expected behavior when different registries are used. - Polish javadocs.
Spring Integration 
Checking out and Building
To check out the project and build from source, do the following:
git clone git://github.com/spring-projects/spring-integration.git
cd spring-integration
./gradlew build
If you encounter out of memory errors during the build, increase available heap and permgen for Gradle:
GRADLE_OPTS='-XX:MaxPermSize=1024m -Xmx1024m'
To build and install jars into your local Maven cache:
./gradlew install
To build api Javadoc (results will be in build/api):
./gradlew api
To build reference documentation (results will be in build/reference):
./gradlew reference
To build complete distribution including -dist, -docs, and -schema zip files (results will be in build/distributions)
./gradlew dist
Using Eclipse
To generate Eclipse metadata (.classpath and .project files), do the following:
./gradlew eclipse
Once complete, you may then import the projects into Eclipse as usual:
File -> Import -> Existing projects into workspace
Browse to the 'spring-integration' root directory. All projects should import free of errors.
Using IntelliJ IDEA
To generate IDEA metadata (.iml and .ipr files), do the following:
./gradlew idea
Resources
For more information, please visit the Spring Integration website at: http://www.springsource.org/spring-integration