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DuplicateContentCheck

Duplicate content check imicroservice s used to classify input messages into duplicate and unique based on content in input XML at XPath provided using CPS. Depending on Cache Duration Time and Sleep Interval, input messages are retained in cache and sent on sleep intervals.

Configuration


Figure 1: Component Property Sheet

Validate Input
  • yes: The microservice tries to validate the input received.
  • no: The microservice will not validate the input and hence the performance increases.

    Setting this to "no" may cause undesired results if the input XML is not valid.

Error handling configuration

Allows configuring actions to be taken when an exception occurs during the execution. Following are the configuration options:

  • JMS Error
  • Response Generation Error
  • Request Processing Error
  • Invalid Request Error

For descriptions, refer to the Error Handling section in the Common Configurations page.

Input Source

The source type that has to be taken as input. Choose one of the below:

  • XML
  • Text
Configure schema of input

Using schema editor, load/enter the XML schema for the input message.

Sleep Interval

The time gap (in milliseconds) with which duplicate messages are throttled through the Duplicate port.

Cache Duration Time

Time duration for which message should be retained in cache. If in case cache is not empty and duration exceeds, then cache is not cleaned until all messages are throttled to duplicate ports.

Cache Duration Time Unit

The unit of the cache duration time can be set here. While the default unit is milliseconds, other options are:

  • Seconds
  • Minutes
  • Hours
  • Days
Duplicate Identifier Source

The message is checked if it is duplicate of the earlier message based on the parameters below:

  • Body (Text or XML)
  • Header
XPath

Choose XPath from which content should be extracted.

Refer to the XPath Editor section in the Message Body XPath selector page to know more.


Functional Demonstration

Scenario 1

Configure component as shown in Figure 1. Using Feeder send input messages and it can be observed that messages with the same "STNO" are classified into duplicate and unique and sent to respective displays.


Figure 2: Sample Event Process

Sample Input

 
Figure 3: Sent 10 messages with same "STNO"

Sample Output

Unique port :


Figure 4: Shows only 1 message which is unique, since cache has no messages at present.

Duplicate port


Figure 5: Shows 9 messages since they have same STNO as first message.

Useful Tips

  • CPS does not accept negative values for sleep interval and cache duration. Only if values entered are non-negative Validate button press will pop-up Success message.
  • If Cache time is zero, then component throttles messages to Unique port with no gap (sleep interval), irrespective of sleep interval being non-zero value.
  • If sleep interval is zero, then cache is cleared as per cache duration time. While clearing cache, no messages are lost.



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