Package org.apache.cayenne.access.jdbc
Class BatchAction
- java.lang.Object
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- org.apache.cayenne.access.jdbc.BaseSQLAction
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- org.apache.cayenne.access.jdbc.BatchAction
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- All Implemented Interfaces:
SQLAction
- Direct Known Subclasses:
PostgresBatchAction
,SQLServerBatchAction
public class BatchAction extends BaseSQLAction
- Since:
- 1.2
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Field Summary
Fields Modifier and Type Field Description protected RowDescriptor
keyRowDescriptor
protected BatchQuery
query
protected boolean
runningAsBatch
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Fields inherited from class org.apache.cayenne.access.jdbc.BaseSQLAction
dataNode
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Constructor Summary
Constructors Constructor Description BatchAction(BatchQuery query, DataNode dataNode, boolean runningAsBatch)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected boolean
canRunAsBatch()
protected BatchTranslator
createTranslator()
BatchQuery
getQuery()
protected boolean
hasGeneratedKeys()
Returns whether BatchQuery generates any keys.void
performAction(Connection connection, OperationObserver observer)
Executes a query using a strategy defined by the implementation.protected PreparedStatement
prepareStatement(Connection connection, String queryStr, DbAdapter adapter, boolean generatedKeys)
protected void
processGeneratedKeys(Statement statement, OperationObserver observer, List<BatchQueryRow> rows)
protected void
processGeneratedKeys(Statement statement, OperationObserver observer, BatchQueryRow row)
Implements generated keys extraction supported in JDBC 3.0 specification.protected void
runAsBatch(Connection con, BatchTranslator translator, OperationObserver delegate, boolean generatesKeys)
protected void
runAsIndividualQueries(Connection connection, BatchTranslator translator, OperationObserver delegate, boolean generatesKeys)
Executes batch as individual queries over the same prepared statement.protected boolean
supportsGeneratedKeys(boolean isBatch)
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Methods inherited from class org.apache.cayenne.access.jdbc.BaseSQLAction
getInMemoryOffset, readResultSet
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Field Detail
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runningAsBatch
protected boolean runningAsBatch
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query
protected BatchQuery query
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keyRowDescriptor
protected RowDescriptor keyRowDescriptor
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Constructor Detail
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BatchAction
public BatchAction(BatchQuery query, DataNode dataNode, boolean runningAsBatch)
- Since:
- 4.0
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Method Detail
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getQuery
public BatchQuery getQuery()
- Returns:
- Query which originated this action
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performAction
public void performAction(Connection connection, OperationObserver observer) throws Exception
Description copied from interface:SQLAction
Executes a query using a strategy defined by the implementation.- Throws:
Exception
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canRunAsBatch
protected boolean canRunAsBatch()
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createTranslator
protected BatchTranslator createTranslator()
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runAsBatch
protected void runAsBatch(Connection con, BatchTranslator translator, OperationObserver delegate, boolean generatesKeys) throws Exception
- Throws:
Exception
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runAsIndividualQueries
protected void runAsIndividualQueries(Connection connection, BatchTranslator translator, OperationObserver delegate, boolean generatesKeys) throws SQLException, Exception
Executes batch as individual queries over the same prepared statement.- Throws:
SQLException
Exception
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prepareStatement
protected PreparedStatement prepareStatement(Connection connection, String queryStr, DbAdapter adapter, boolean generatedKeys) throws SQLException
- Throws:
SQLException
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supportsGeneratedKeys
protected boolean supportsGeneratedKeys(boolean isBatch)
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hasGeneratedKeys
protected boolean hasGeneratedKeys()
Returns whether BatchQuery generates any keys.
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processGeneratedKeys
protected void processGeneratedKeys(Statement statement, OperationObserver observer, BatchQueryRow row) throws SQLException
Implements generated keys extraction supported in JDBC 3.0 specification.- Throws:
SQLException
- Since:
- 4.0
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processGeneratedKeys
protected void processGeneratedKeys(Statement statement, OperationObserver observer, List<BatchQueryRow> rows) throws SQLException
- Throws:
SQLException
- Since:
- 4.2
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