Package org.apache.cayenne.access.jdbc
Class ProcedureAction
java.lang.Object
org.apache.cayenne.access.jdbc.BaseSQLAction
org.apache.cayenne.access.jdbc.ProcedureAction
- All Implemented Interfaces:
SQLAction
- Direct Known Subclasses:
SQLServerProcedureAction
public class ProcedureAction extends BaseSQLAction
A SQLAction that runs a stored procedure. Note that ProcedureAction has
internal state and is not thread-safe.
- Since:
- 1.2
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Field Summary
Fields Modifier and Type Field Description protected int
processedResultSets
Holds a number of ResultSets processed by the action.protected ProcedureQuery
query
Fields inherited from class org.apache.cayenne.access.jdbc.BaseSQLAction
dataNode
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Constructor Summary
Constructors Constructor Description ProcedureAction(ProcedureQuery query, DataNode dataNode)
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Method Summary
Modifier and Type Method Description protected ProcedureTranslator
createTranslator(Connection connection)
Returns the ProcedureTranslator to use for this ProcedureAction.protected RowDescriptor
describeResultSet(ResultSet resultSet, int setIndex)
Creates a RowDescriptor for result set.protected Procedure
getProcedure()
Returns stored procedure for an internal query.protected void
initStatement(CallableStatement statement)
Initializes statement with query parametersvoid
performAction(Connection connection, OperationObserver observer)
Executes a query using a strategy defined by the implementation.protected void
readProcedureOutParameters(CallableStatement statement, OperationObserver delegate)
Helper method that reads OUT parameters of a CallableStatement.Methods inherited from class org.apache.cayenne.access.jdbc.BaseSQLAction
getInMemoryOffset, readResultSet
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Field Details
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query
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processedResultSets
protected int processedResultSetsHolds a number of ResultSets processed by the action. This value is reset to zero on every "performAction" call.
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Constructor Details
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ProcedureAction
- Since:
- 4.0
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Method Details
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performAction
public void performAction(Connection connection, OperationObserver observer) throws SQLException, ExceptionDescription copied from interface:SQLAction
Executes a query using a strategy defined by the implementation.- Throws:
SQLException
Exception
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createTranslator
Returns the ProcedureTranslator to use for this ProcedureAction.- Parameters:
connection
- JDBC connection
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describeResultSet
Creates a RowDescriptor for result set.- Parameters:
resultSet
- JDBC ResultSetsetIndex
- a zero-based index of the ResultSet in the query results.- Throws:
SQLException
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getProcedure
Returns stored procedure for an internal query. -
readProcedureOutParameters
protected void readProcedureOutParameters(CallableStatement statement, OperationObserver delegate) throws SQLException, ExceptionHelper method that reads OUT parameters of a CallableStatement.- Throws:
SQLException
Exception
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initStatement
Initializes statement with query parameters- Throws:
Exception
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