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public interface OperationObserver
Defines a set of callback methods that allow QueryEngine to pass back query results and notify caller about exceptions.
QueryEngine
Method Summary | |
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void |
nextBatchCount(Query query,
int[] resultCount)
Callback method invoked after a batch update is executed. |
void |
nextCount(Query query,
int resultCount)
Callback method invoked after an updating query is executed. |
void |
nextDataRows(Query query,
java.util.List dataRows)
Callback method invoked for each processed ResultSet. |
void |
nextDataRows(Query q,
ResultIterator it)
Callback method invoked for each opened ResultIterator. |
void |
nextGeneratedDataRows(Query query,
ResultIterator keysIterator)
Callback method invoked after each batch of generated values is read durring an update. |
void |
nextGlobalException(java.lang.Exception ex)
Callback method invoked on exceptions that are not tied to a specific query execution, such as JDBC connection exceptions, etc. |
void |
nextQueryException(Query query,
java.lang.Exception ex)
Callback method invoked on exceptions that happen during an execution of a specific query. |
Methods inherited from interface org.apache.cayenne.access.OperationHints |
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getLoggingLevel, isIteratedResult |
Method Detail |
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void nextCount(Query query, int resultCount)
void nextBatchCount(Query query, int[] resultCount)
void nextDataRows(Query query, java.util.List dataRows)
void nextDataRows(Query q, ResultIterator it)
void nextGeneratedDataRows(Query query, ResultIterator keysIterator)
void nextQueryException(Query query, java.lang.Exception ex)
void nextGlobalException(java.lang.Exception ex)
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