simple error in CQL

I'm trying to implement a very simple POC program. CEP is composed of the following element.
1 Jms adapter named MarketEventInputadapter, which reads data from a simple queue message card.
2. a channel named MarketEventInputchannel input.
3. a processor named MarketEventprocessor containing CQL "<!" [CDATA [select * from MarketEventInputchannel [now]]] > "."
4. a MarketEventOutputChannel output.
5. one event MarketEventBean bean

while trying to deploy I get the error like:
< error > < deployment > < BEA-2045016 > < the context of the "My_CEP" application could not be started. Not able to initialize the component 'MarketEventprocessor': event property defined in the [ExampleQuery] [cTimeStamp] query must exist in the [MarketEvent] event type. Consider using the term ' cTimeStamp LIKE...' in the query.

I use MarketEvent.java:
package com.bea.wlevs.example.algotrading.event;

public class MarketEvent {}

TimeStamp Long private;
symbol of the private channel;
price Double private;
volume of Long private;
private Long latencyTimestamp;

/**
* @return the latencyTimestamp
*/
{} public Long getLatencyTimestamp()
Return latencyTimestamp;
}
/**
@param latencyTimestamp the latencyTimestamp to
*/
{} public void setLatencyTimestamp (Long latencyTimestamp)
this.latencyTimestamp = latencyTimestamp;
}
/**
* the timestamp @return
*/
public Long getTimestamp() {}
Back to TimeStamp;
}
/**
@param timestamp the timestamp to set
*/
{} public void setTimestamp (Long TimeStamp)
This. TimeStamp = TimeStamp;
}
/**
* @return the symbol
*/
public String getSymbol() {}
return the symbol;
}
/**
@param symbol the symbol to define
*/
{} public void setSymbol (symbol of the chain)
This.Symbol = symbol;
}
/**
* @return the price
*/
{} public Double getPrice()
return of the price;
}
/**
@param price TBD
*/
{} public void setPrice (Double rate)
This.Price = price;
}
/**
* @return the volume
*/
{} public Long getVolume()
return of volume;
}
/**
@param volume the volume to set
*/
{} public void setVolume (Long volume)
This.volume = volume;
}
}

I also use MarketEventBean.java:

package com.bea.wlevs.example.algotrading;

import com.bea.wlevs.ede.api.StreamSink;
import com.bea.wlevs.example.algotrading.event.MarketEvent;

/ public class MarketEventBean implements StreamSink {}
{} public void onInsertEvent (event object)
If (event instanceof MarketEvent) {}
MarketEvent marketEvent = (MarketEvent) event;

System.out.println ("price:" + marketEvent.getPrice ());

}
}

}

Can someone give an idea about the cause of the error?

The cause of this issue is the event property named timestamp. Timestamp is a CQL keyword and there seems to be a bug in the way we deal with the properties of event names that are keywords CQL.

One way around this problem is to use a different property name; for example, Sub. Take us a look at the bug and fix it. Can you open a service request so that it will follow up? Thank you

Manju.

Tags: Fusion Middleware

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