Fixed JdbcMessageStore to reuse CREATED_DATE while updating UPDATED_DATE
Added support for configuring MessageGroup timeout based on the idle time of the MessageGroup
Changed updatedTimestamp to lastModified
Added an assertion to AbsractMessageGroup.expireMessageGroups to check if lastModified is 0
Changed attribute name in MessageWrapper in Mongo Message Store
INT-2182 interim
INT-2182 work in progress
INT-2182 Refctored MessageGroupQueue and related classes
- created MGS.pollMessageFromGroup(groupId)
- removed MARKED messages concept
- renamed UNMARKED to just Messages
- removed keepReleasedMessages attribute
- refactored JdbcMessageStore to NOT store Messages that belong to a MessageGroup in the MessageGroup table, only relationship
- provided implementation of pollMessageFromGroup method in JdbcMessageStore
- polished tests
INT-2182 refactored MongoDB support to reflect changes to MGQ
INT-2182 added Gemfire support for polling
INT-2182 added Redis support
INT-2182 polishing
removed syncronized blocks from SMG, added availablePermits() method to UpperBound, polished JdbcMessageStore
INT-2182 polishing
INT-2182 polishing
INT-2182 polishing
INT-2182 polishing
INT-2182 polishing
INT-2182 polishing based on PR comments
subclassed from AbstractMessageGroupStore
added initial tests for Mongo based MessageGroupStore
added initial implementation of MongoDb-based MessageGroupStore
polished MongoDbMessageStore, made it more inline with JdbcMessageStore, added tests
using MessageWrapper as stored object to accommodate groupId and marked attributes
no longer setting _id explicitly
removed synchronized blocks and concurrency test