Retain Pattern Match Attribute for Next Pattern Match Calculation

When a MATCH_RECOGNIZE PATTERN match occurs, is there any way to retain the underlying event for the next pattern match?
It's like I want to replay the underlying event (that triggered the match) into the next "batch" of events.

Here is an approach
1) Use a (local) cache to hold the "lastMatchedTime"
2) Augment each input event with the "lastMatchedTime" by first (left outer join) joining with cache
3) Run the MATCH_RECOGNIZE on the augmented stream
4) Use a match to update the cache
Here are the queries that I tried -
<view id="S">
 <![CDATA[
 RSTREAM (
 SELECT
 id,
 obs,
 epoch,
 nvl(C.lastMatchedTime, 0) as lastMatchedTime
 FROM
 InputChannel[now] AS I LEFT OUTER JOIN lastMatchCache AS C
 ON
 C.keyValue = "key"
 ]]>
 </view>
 <view id="v1">
 <![CDATA[
 SELECT
 T.id,
 T.obsTotal,
 T.elapsedTime,
 T.firstts,
 T.lastts
 FROM S MATCH_RECOGNIZE (
 PARTITION BY id
 MEASURES
 id as id,
 sum(obs) as obsTotal,
 B.epoch - decode(B.lastMatchedTime, 0L, min(epoch), B.lastMatchedTime) as elapsedTime,
 decode(B.lastMatchedTime, 0L, min(epoch), B.lastMatchedTime) as firstts,
 B.epoch as lastts
 PATTERN ( A+? B )
 DEFINE
 B AS (epoch- decode(lastMatchedTime, 0L, min(epoch), lastMatchedTime)) > 20*60*1000
 ) as T
 ]]>
 </view>
 <query id="qcache">
 <![CDATA[
 SELECT
 "key" as keyValue,
 lastts as lastMatchedTime
 FROM
 v1
 ]]>
 </query>
 <query id="q1">
 <![CDATA[
 SELECT
 FROM
 v1
 ]]>
 </query>
 Also, include in the config file
<channel>
 <name>CacheChannel</name>
 <selector>qcache</selector>
 </channel>
 <channel>
 <name>OutputChannel</name>
 <selector>q1</selector>
 </channel>The EPN that I used was
<wlevs:event-type-repository>
 <wlevs:event-type type-name="CacheEvent">
 <wlevs:class>com.bea.wlevs.event.example.helloworld.CacheEvent</wlevs:class>
 </wlevs:event-type>
 <wlevs:event-type type-name="InputEvent">
 <wlevs:properties>
 <wlevs:property name="id" type="int"/>
 <wlevs:property name="obs" type="int"/>
 <wlevs:property name="epoch" type="bigint"/>
 </wlevs:properties>
 </wlevs:event-type>
 <wlevs:event-type type-name="OutputEvent">
 <wlevs:properties>
 <wlevs:property name="id" type="int"/>
 <wlevs:property name="obsTotal" type="int"/>
 <wlevs:property name="elapsedTime" type="bigint"/>
 <wlevs:property name="firstts" type="bigint"/>
 <wlevs:property name="lastts" type="bigint"/>
 </wlevs:properties>
 </wlevs:event-type>
 </wlevs:event-type-repository>
 <wlevs:adapter id="InputAdapter" provider="csvgen">
 <wlevs:instance-property name="port" value="9061" />
 <wlevs:instance-property name="eventTypeName" value="InputEvent" />
 <wlevs:instance-property name="eventPropertyNames" value="id,obs,epoch" />
 </wlevs:adapter>
 <wlevs:channel id="InputChannel" event-type="InputEvent" >
 <wlevs:listener ref="helloworldProcessor"/>
 <wlevs:source ref="InputAdapter"/>
 </wlevs:channel>
 <wlevs:caching-system id="local-caching"/>
 <wlevs:cache id="lastMatchCache" name="lastMatchCache" key-properties="keyValue" value-type="CacheEvent">
 <wlevs:caching-system ref="local-caching"/>
 </wlevs:cache>
 
 <wlevs:processor id="helloworldProcessor">
 <wlevs:listener ref="CacheChannel"/>
 <wlevs:cache-source ref="lastMatchCache" />
 </wlevs:processor>
 <wlevs:channel id="CacheChannel" event-type="CacheEvent">
 <wlevs:listener ref="lastMatchCache"/>
 </wlevs:channel>
 <wlevs:channel id="OutputChannel" event-type="OutputEvent" advertise="true">
 <wlevs:listener>
 <bean class="com.bea.wlevs.example.helloworld.HelloWorldBean"/>
 </wlevs:listener>
 <wlevs:source ref="helloworldProcessor"/>
 </wlevs:channel>And the output that I get seems to match your requirement -
eventType=OutputEvent object=q1 v1.id=4143, v1.obsTotal=9, v1.elapsedTime=7228000, v1.firstts=1199311210000, v1.lastts=1199318438000
eventType=OutputEvent object=q1 v1.id=4143, v1.obsTotal=17, v1.elapsedTime=30935000, v1.firstts=1199318438000, v1.lastts=1199349373000
eventType=OutputEvent object=q1 v1.id=4143, v1.obsTotal=7, v1.elapsedTime=41436000, v1.firstts=1199349373000, v1.lastts=1199390809000
eventType=OutputEvent object=q1 v1.id=4143, v1.obsTotal=13, v1.elapsedTime=5904000, v1.firstts=1199390809000, v1.lastts=1199396713000Edited by: Anand Srinivasan on Sep 30, 2010 12:49 AM
Edited by: Anand Srinivasan on Sep 30, 2010 12:50 AM

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Naive fool that I was, I didn't realise I had fallen into Apple's moronic multi-user trap. Only one user on one computer can use it???? Why???
I thought that it was me being stupid so I switched everything off - including iTunes Match. Now nothing works.
If I log on with my iTunes ID and try to switch on iTunes Match it asks me if I want to add this computer, and then gives me the "This computer is already associated with an Apple ID - you can't use it for 90 days" message.
If I use my wife's iTunes ID, it asks her if she would like to subscribe for £21.99 a year.
The exact same thing happens whether I sign into the computer itself with my account or hers.
This is awe inspringly annoying. Please tell me how to fix this.
thanks.

At this time there is no "solution." You'll simply have to wait the 90 days to re-enable iTunes Match.
For now here is my suggestion. In your User Account, in OS X, sign out of whatever iTunes Store account you are signed in with. Then sign in with your store account and leave it at that. Now sign out of your OS X User Account, sign into your wife's OS X User Account and sign into the iTunes Store with her Apple ID (if necessary sign out of the account first).
Now, you can go back to your OS X User Account and attempt to enable iTunes Match. You will probably get the "wait 90 days" message. If so leave it, mark your calendar, and wait for the 90 days to expire. You can try contacting iTunes Store support at <https://expresslane.apple.com> if you wish, but I really do not know how useful that will be.
Incidentally, you get the message to pay for the service when trying to enable it on your wife's Apple ID because the service has not been purchased using that Apple ID. iTunes Match is designed to be a single-user service that is never signed out of and is associated with one, and only one, Apple ID and a regional store.

ITunes Match Skipping for months. 2 seperate apple staff promise to call back and never do!

Dear all,
I loved iTunes match for almost a couple of years. However for the last 3 months or so what ever songs I add to my iTunes library on my iMac and then send to iTunes match will not play on either my iPhone, or iPad. I am extremely annoyed about the whole thing as I have phoned Apple technical support on 2 separate occasions and gone through all the usual try this and try that. I have even restored my iPhone and iPad but still it does not work. Strangely all songs work fine on my Apple TV's and my iTunes library on my iMac.
What annoys more than it not working is the fact that I have had 2 members of staff promise to look into it and call me back, they never do! I have had a direct email for the 2nd member of staff and even had a few replies from him arranging a suitable time to call but he didn't. I then tried to email him the other day to find that the email got an automated reply saying no such address. I can only assume the member of staff in question has left?
PLEASE PLEASE PLEASE someone help. Apple staff - do you read these posts? If so SOMEONE CALL ME BACK!
For the record all devices are up to date. I even upgraded to ios8 and have even bought an iPhone 6 but the problem still occurs.
I love Apple and their products but this is a complete shambles. 3 months of a service I cannot use and my subscription is about to renew. I am a music teacher so this feature used to be great. I think I will not be using this anymore unless it gets fixed asap?
Can Apple wipe the iTunes Match data for my account so I start again and upload my library as if all brand new?
Moan over I await a response but I won't hold my breath.

I have probably spent 15 hours over 3 months trying to solve this problem.......to no avail.

For iTunes Match, how come some songs "match" on an album and other songs on the same album "upload" without matching?

For iTunes Match, how come some songs "match" on an album and other songs on the same album "upload" without matching? All songs are available on iTunes. I don't get it! Any way to manually match songs that iTunes apparently can't match? I have hundreds in this unmatched state.

gsl wrote:
Shazam has NO problem determining what these songs are. Maybe Apple needs to consider licensing their technology as it seems MUCH more accurate than what they are doing.
You aren't comparing like with like.
The main task that Shazam has is to identify the name or a track and the artist. I believe that it suggests the album as well, but if it gets that wrong then it doesn't really matter too much.
With iTunes Match, getting the album (i.e. identifying which version it is) is much more important. If it gets that wrong then it breaks up the flow of an album. This makes the task that match has very much harder.
In fact, there is a strong argument to say that currently the problem iTunes has is that it is matching too many songs, resulting in matches from different albums.
I'm sure that match is not struggling to identify whether it has a song or not, but whether it has the correct version of a song. When you introduce different masterings into the process then, depending on the thresholds set, it is probably correct in concluding that it hasn't got a particular version, even if you think it has.
The solution would appear to me to be a tweaking of the matching thresholds along with the ability to force an upload, but we just don't know what restrictions they have (remember that if Shazam gets it wrong the it doesn't present you with a copy of a new track that you didn't have previously). It is almost certainly not just a case of improving their technology.

Retain Pattern Match Attribute for Next Pattern Match Calculation

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