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java.lang.Objectweka.experiment.DatabaseUtils
weka.experiment.DatabaseResultListener
public class DatabaseResultListener
Takes results from a result producer and sends them to a database.
Field Summary |
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Fields inherited from class weka.experiment.DatabaseUtils |
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BOOL, BYTE, DATE, DOUBLE, EXP_INDEX_TABLE, EXP_RESULT_COL, EXP_RESULT_PREFIX, EXP_SETUP_COL, EXP_TYPE_COL, FLOAT, INTEGER, LONG, PROPERTY_FILE, SHORT, STRING, TEXT, TIME |
Constructor Summary | |
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DatabaseResultListener()
Sets up the database drivers |
Method Summary | |
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void |
acceptResult(ResultProducer rp,
java.lang.Object[] key,
java.lang.Object[] result)
Submit the result to the appropriate table of the database |
java.lang.String |
cacheKeyNameTipText()
Returns the tip text for this property |
java.lang.String[] |
determineColumnConstraints(ResultProducer rp)
Determines if there are any constraints (imposed by the destination) on any additional measures produced by resultProducers. |
java.lang.String |
getCacheKeyName()
Get the value of CacheKeyName. |
java.lang.String |
getRevision()
Returns the revision string. |
java.lang.String |
globalInfo()
Returns a string describing this result listener |
boolean |
isResultRequired(ResultProducer rp,
java.lang.Object[] key)
Always says a result is required. |
void |
postProcess(ResultProducer rp)
Perform any postprocessing. |
void |
preProcess(ResultProducer rp)
Prepare for the results to be received. |
void |
setCacheKeyName(java.lang.String newCacheKeyName)
Set the value of CacheKeyName. |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public DatabaseResultListener() throws java.lang.Exception
java.lang.Exception
- if an error occursMethod Detail |
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public java.lang.String globalInfo()
public void preProcess(ResultProducer rp) throws java.lang.Exception
preProcess
in interface ResultListener
rp
- the ResultProducer that will generate the results
java.lang.Exception
- if an error occurs during preprocessing.public void postProcess(ResultProducer rp) throws java.lang.Exception
postProcess
in interface ResultListener
rp
- the ResultProducer that generated the results
java.lang.Exception
- if an error occurspublic java.lang.String[] determineColumnConstraints(ResultProducer rp) throws java.lang.Exception
determineColumnConstraints
in interface ResultListener
rp
- the ResultProducer to which the constraints will apply
java.lang.Exception
- if an error occurs.public void acceptResult(ResultProducer rp, java.lang.Object[] key, java.lang.Object[] result) throws java.lang.Exception
acceptResult
in interface ResultListener
rp
- the ResultProducer that generated the resultkey
- The key for the results.result
- The actual results.
java.lang.Exception
- if the result couldn't be sent to the databasepublic boolean isResultRequired(ResultProducer rp, java.lang.Object[] key) throws java.lang.Exception
isResultRequired
in interface ResultListener
rp
- the ResultProducer wanting to generate the resultkey
- The key for which a result may be needed.
java.lang.Exception
- if the database couldn't be queriedpublic java.lang.String cacheKeyNameTipText()
public java.lang.String getCacheKeyName()
public void setCacheKeyName(java.lang.String newCacheKeyName)
newCacheKeyName
- Value to assign to CacheKeyName.public java.lang.String getRevision()
getRevision
in interface RevisionHandler
getRevision
in class DatabaseUtils
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