ReadString statement
How readstring instruction interrupt code vb until the scan is done? It works fine I just want to understand it better. I was trying to find a way to get the status of the scan before I discovered I didn't need to do anything. I was quite surprised. So, how does it work?
Keithley2430.Write(":READ?") readString = Keithley2430.ReadString() 'InsertCommonEscapeSequences(Keithley2430.ReadString())
As I said, a reading will wait for the EOI or timeout.
Tags: NI Hardware
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Missing PofSerializer configuration
I am a newbie to consistency and try to get the job of POF!
I get the following error. I realize that this has been posted before, but the solutions don't seem to help me.
3.6 consistency
(Wrapped: class configuration error 'com.tangosol.io.pof.ConfigurablePofContext') java.lang.IllegalStateException: PofSerializer lack of configuration (Config=/cgbu/home4/anasthan/Oracle/Middleware/coherence_3.6/lib/tokens-pof-config.xml, Id-Type = 1001, class-Name = oracle.communications.activation.ace.Token)
at com.tangosol.coherence.component.util.Daemon.start(Daemon.CDB:52)
at com.tangosol.coherence.component.util.daemon.queueProcessor.Service.start(Service.CDB:7)
at com.tangosol.coherence.component.util.daemon.queueProcessor.service.Grid.start(Grid.CDB:6)
at com.tangosol.coherence.component.util.SafeService.startService(SafeService.CDB:28)
at com.tangosol.coherence.component.util.safeService.SafeCacheService.startService(SafeCacheService.CDB:5)
at com.tangosol.coherence.component.util.SafeService.ensureRunningService(SafeService.CDB:27)
I packed the class oracle.communications.activation.ace.Token, chips-pof - config.xml and coherence-cache - config.xml in the Coherence.jar
Cache-.sh
================
#! / bin/sh
# This will start a cache server
# Specify consistency installation directory
COHERENCE_HOME =.
# The JVM heap size
MEMORY = 512 m
If [! ${COHERENCE_HOME}/bin/cache-server.sh - f]; then
echo "coherence.sh: must be run from the installation of coherence directory.".
output
FI
If [f $JAVA_HOME/bin/java]; then
JAVAEXEC = $JAVA_HOME/bin/java
on the other
Java = JAVAEXEC
FI
JAVA_OPTS = ""-Xms MEMORY $ MEMORY - Xmx$ ""
CONFIG_FILE_PATH="file:///CGBU/home4/anasthan/Oracle/middleware/coherence_3.6/lib/tokens-POF-config.xml".
$JAVAEXEC - Server - showversion $JAVA_OPTS - cp "$COHERENCE_HOME/lib/coherence.jar" com.tangosol.net.DefaultCacheServer $1
Token.Java
=========
package oracle.communications.activation.ace;
import java.io.IOException;
import java.io.Serializable;
import com.tangosol.io.pof.PortableObject;
import com.tangosol.io.pof.PofReader;
import com.tangosol.io.pof.PofWriter;
import java.sql. *;
to import java.util.Enumeration;
Token/public class implements {PortableObject}
/**
* 1 - unassigned
* 2 - available
* 3 - reserved
* 4 - missing
*/
private int State;
/**
* NO-ID (s)
*/
private String neID;
/**
* Number of currently active chips
*/
private int tokensCurrentlyActive;
/**
* Max - number available
*/
private int maxTokensAvailable;
/**
* ID token unqiue, used to identify tokens
*/
private int tokenID;
/**
*
* Index POF for data members
*/
public static final int TOKENID = 0;
public static final int STATE = 1;
public static final int NEID = 2;
public static final int CURTOKEN = 3;
public static final int MAXTOKEN = 4;
/**
*
@param State
*/
{} public void setState (int State)
This.State = State;
}
/**
*
* @return
*/
public int getState() {}
return status;
}
/**
*
@param neID
*/
{} public void setNeID (String neID)
this.neID = neID;
}
/**
*
* @return
*/
public String getNeID() {}
return neID;
}
/**
*
@param tokensCurrentlyActive
*/
{} public void setTokensCurrentlyActive (int tokensCurrentlyActive)
this.tokensCurrentlyActive = tokensCurrentlyActive;
}
/**
*
* @return
*/
public int getTokensCurrentlyActive() {}
Return tokensCurrentlyActive;
}
/**
*
@param maxTokensAvailable
*/
{} public void setMaxTokensAvailable (int maxTokensAvailable)
this.maxTokensAvailable = maxTokensAvailable;
}
/**
*
* @return
*/
public int getMaxTokensAvailable() {}
Return maxTokensAvailable;
}
/**
*
@param tokenID
*/
{} public void setTokenID (int tokenID)
this.tokenID = tokenID;
}
/**
*
* @return
*/
public int getTokenID() {}
Return tokenID;
}
-Interface PortableObject-
/**
* {@inheritDoc}
*/
public void readExternal (PofReader readers)
throws IOException
{
tokenID = Integer.parseInt (reader.readString (TOKENID));
neID = reader.readString (NEID);
tokensCurrentlyActive = Integer.parseInt (reader.readString (CURTOKEN));
maxTokensAvailable = Integer.parseInt (reader.readString (MAXTOKEN));
State = Integer.parseInt (reader.readString (STATE));
}
/**
* {@inheritDoc}
*/
public void writeExternal (writer PofWriter) methods
throws IOException
{
writer.writeString (TOKENID, Integer.toString (tokenID));
writer.writeString (NEID, neID);
writer.writeString (CURTOKEN, Integer.toString (CURTOKEN));
writer.writeString (MAXTOKEN, Integer.toString (MAXTOKEN));
writer.writeString (STATE, Integer.toString (STATE));
}
}
chips-pof-config. XML
=============
<? XML version = "1.0"? >
< config-pof xmlns: xsi = "http://www.w3.org/2001/XMLSchema-instance".
xmlns = "http://xmlns.oracle.com/coherence/coherence-pof-config."
xsi: schemaLocation = "http://xmlns.oracle.com/coherence/coherence-pof-config consistency-pof - config.xsd" >
< user-type-list >
<! - consistency POF user types - >
< include > coherence-pof - config.xml < / include >
<!-com.tangosol.examples package->
Type < user >
< type id > 1001 < / id-type >
> class name < oracle.communications.activation.ace.Token < / class name >
< / user type >
< / user-type-list >
< allow-interfaces > true < / allow interfaces >
true < subclasses allow > < / subclasses allow >
< / pof-config >
coherence-cache-config. XML
=================
< distributed plan >
< scheme name > example distributed < / system-name >
< service name > DistributedCache < / service-name >
< serializer >
< instance >
> class name < com.tangosol.io.pof.ConfigurablePofContext < / class name >
< init-params >
< init-param >
Type string < param > < / param-type >
< param-value of the system = property ' tokens-pof - config.xml "> /cgbu/home4/anasthan/Oracle/Middleware/coherence_3.6/lib/tokens-pof-config.xml < / param-value >
< / init-param >
< / init-params >
< / body >
< / serializer >
< support-map-plan >
< local plan >
< system-Ref > example-binary-support-map < / plan-ref >
< / local plan >
< / support-map-plan >
< autostart > true < / autostart >
< / distributed plan >
I don't know what the problem is please help!Hello
First of all, it is not recommended to load your application specific configuration and the coherence.jar classes, although it should work. Try to do the following:
1. create a new pot and put your token class inside change your cache-.sh to include this new jar in your classpath
2 Add a property - Dtangosol.coherence.cacheconfig =in your cache-.sh "" $JAVAEXEC - Server - showversion $JAVA_OPTS -Dtangosol.coherence.cacheconfig =
+ ' com.tangosol.net.DefaultCacheServer $1 You need not load in the classpath or use any property for pof config because its location is already mentioned in your cache configuration
I hope this helps!
See you soon,.
NJPublished by: user738616 on October 13, 2011 08:34
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