Change Log

3.6.1 - Febuary 6 2019

fix #251 - silence bluebird warning about side-effect only handler (@sandfox)
Pool.clear no longer resolves to pointless array on undefineds (@restjohn)

3.6.0 - Febuary 4 2019

update docs (@chdh)
fix #159 - pool.clear can no longer "skip" clearing up resources when called early in pool lifecycle (@sandfox)

3.5.0 - January 17 2019

update nodejs versions tested by travis
eviction iterator no longer stops when reaching end of object list #243 (@DiegoRBaquero)
fix #192 softIdleTimeoutMillis = -1 no longer triggers evictor to run #242 (@DiegoRBaquero)
fix #234 maxWaitingClients = 0 is no longer ignored #247 (@anupbaldawa)

3.4.2 - Febuary 16 2018

fix pool.use to resolve after user supplied function has finished. (@asannes)

3.4.1 - Febuary 1 2018

prevent timed-out resource requests from being issued resources (@rebareba)

3.4.0 - December 27 2017

#218 fix numerous docblock annotations and minor errors in internal classes (@geovanisouza92)

3.3.0 - December 27 2017

add use method to simplify basic pool usage (@san00)

3.2.0 - October 15 2017

add isBorrowedResource method to check if objects are currently on loan from pool (@C-h-e-r-r-y)

3.1.8 - September 14 2017

fix undefined and annoying autostart=false behaviour (@sushantdhiman)
document autostart behaviour (@sandfox)
fix typos (@wvanderdeijl @AlexTes)

3.1.7 - Febuary 9 2017

fix warning when using bluebird promise impl (@benny-medflyt)

3.1.6 - December 28 2016

fix #173 where pool would not attempt to dispense reources upon pool.destroy
fix some out of date readme section
fix test warning for unhandled rejection on dispense

3.1.5 - December 20 2016

fix drain code to correctly wait on borrowed resources (@drew-r)
fix drain example in readme (@watson)

3.1.4 - November 28 2016

fix faulty Promise detection where user supplied promise lib would be ignored

3.1.3 - November 26 2016

internal refactoring and comment improvements
fix #159 so draining and closing don't leave resources behind
stop the evictor from keeping the event loop open after draining

3.1.2 - November 22 2016

Readme tidy up
Add missing changelog entry

3.1.1 - November 18 2016

Add Readme link for legacy branch

3.1.0 - November 6 2016

Inject dependencies into Pool to allow easier user extension

3.0.1 - November 1 2016

Passthrough Pool's promise impl to deferreds so they are used internally and exposed correctly on pool.acquire (@eide)

3.0.0 - October 30 2016

This is pretty big and the migration guide in the README has more detailed set of changes!
switch support to nodejs v4 and above
change external interfaces to use promises instead of callbacks
remove logging
decouple create/destroy operations from acquire/release operations
pool should now be created via poolCreate factory method instead of constructor.
huge internal rewrite and flow control changes
Pool is now an eventEmitter

2.4.3 - October 15 2016

Use domain.bind to preserve domain context (@LewisJEllis)

2.4.2 - March 26 2016

Travis now runs and fails lint checks (@kevinburke)
fixed bug #128 where using async validation incorrectly tracked resource state (@johnjdooley and @robfyfe)
fixed broken readme example that had aged badly

2.4.1 - February 20 2016

Documented previously created/fixed bug #122 (thanks @jasonrhodes)
Improved Makefile and test runner docs thanks (@kevinburke)
fixed bug documented in #121 where pool could make incorrect decisions about which resources were eligible for removal. (thanks @mikemorris)

2.4.0 - January 18 2016

Merged #118 - closes #110 - optional eslinting for test and lib using "standard" ruleset
Merged #114 - closes #113 - "classes" now used internally instead of object literals and exports support being called as a constructor (along with old factory behaviour) (contributed by @felixfbecker)
Move history from README.md to CHANGELOG.md and reformat
Closes #122 - fixes trapped connection bug when destroying a connection while others are in use

2.3.1 - January 7 2016

Documentation fixes and widened number of nodejs versions tested on travis

2.3.0 - January 1 2016

Merged #105 - allow asynchronous validate functions (contributed by @felipou)

2.2.2 - December 13 2015

Merged #106 - fix condition where non "resource pool" created objects could be returned to the pool. (contributed by @devzer01)

2.2.1 - October 30 2015

Merged #104 - fix #103 - condition where pool can create > specified max number of connections (contributed by @devzer01)

2.2.0 - March 26 2015

Merged #92 - add getMaxPoolSize function (contributed by platypusMaximus)

2.1.1 - July 5 2015

fix README error about priority queueing (spotted by @kmdm)

2.1.0 - June 19 2014

Merged #72 - Add optional returnToHead flag, if true, resources are returned to head of queue (stack like behaviour) upon release (contributed by calibr), also see #68 for further discussion.

2.0.4 - July 27 2013

Merged #64 - Fix for not removing idle objects (contributed by PiotrWpl)

2.0.3 - January 16 2013

Merged #56/#57 - Add optional refreshIdle flag. If false, idle resources at the pool minimum will not be destroyed/re-created. (contributed by wshaver)
Merged #54 - Factory can be asked to validate pooled objects (contributed by tikonen)

2.0.2 - October 22 2012

Fix #51, #48 - createResource() should check for null clientCb in err case (contributed by pooyasencha)
Merged #52 - fix bug of infinite wait when create object aync error (contributed by windyrobin)
Merged #53 - change the position of dispense and callback to ensure the time order (contributed by windyrobin)

2.0.1 - August 29 2012

Fix #44 - leak of 'err' and 'obj' in createResource()
Add devDependencies block to package.json
Add travis-ci.org integration

2.0.0 - July 31 2012

Non-backwards compatible change: remove adjustCallback
- acquire() callback must accept two params: (err, obj)
Add optional 'min' param to factory object that specifies minimum number of resources to keep in pool
Merged #38 (package.json/Makefile changes - contributed by strk)

[1.0.12] - June 27 2012

Merged #37 (Clear remove idle timer after destroyAllNow - contributed by dougwilson)

[1.0.11] - June 17 2012

Merged #36 ("pooled" method to perform function decoration for pooled methods - contributed by cosbynator)

[1.0.10] - May 3 2012

Merged #35 (Remove client from availbleObjects on destroy(client) - contributed by blax)

[1.0.9] - Dec 18 2011

Merged #25 (add getName() - contributed by BryanDonovan)
Merged #27 (remove sys import - contributed by botker)
Merged #26 (log levels - contributed by JoeZ99)

[1.0.8] - Nov 16 2011

Merged #21 (add getter methods to see pool size, etc. - contributed by BryanDonovan)

[1.0.7] - Oct 17 2011

Merged #19 (prevent release on the same obj twice - contributed by tkrynski)
Merged #20 (acquire() returns boolean indicating whether pool is full - contributed by tilgovi)

[1.0.6] - May 23 2011

Merged #13 (support error variable in acquire callback - contributed by tmcw)
- Note: This change is backwards compatible. But new code should use the two parameter callback format in pool.create() functions from now on.
Merged #15 (variable scope issue in dispense() - contributed by eevans)

[1.0.5] - Apr 20 2011

Merged #12 (ability to drain pool - contributed by gdusbabek)

[1.0.4] - Jan 25 2011

Fixed #6 (objects reaped with undefined timeouts)
Fixed #7 (objectTimeout issue)

[1.0.3] - Dec 9 2010

Added priority queueing (thanks to sylvinus)
Contributions from Poetro
- Name changes to match conventions described here: http://en.wikipedia.org/wiki/Object_pool_pattern
- borrow() renamed to acquire()
- returnToPool() renamed to release()
- destroy() removed from public interface
- added JsDoc comments
- Priority queueing enhancements

[1.0.2] - Nov 9 2010

First NPM release

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