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## org.apache.cayenne.access.jdbc
Class BatchAction

    java.lang.Object
      org.apache.cayenne.access.jdbc.BaseSQLAction
          org.apache.cayenne.access.jdbc.BatchAction

All Implemented Interfaces:
  SQLAction

Direct Known Subclasses:
  SQLServerBatchAction

    public class BatchAction

extends BaseSQLAction

Since:
  1.2
Author:
  Andrus Adamchik

Field Summary
`protected boolean` | `batch`
`protected RowDescriptor` | `keyRowDescriptor`
`protected BatchQuery` | `query`

Fields inherited from class org.apache.cayenne.access.jdbc.BaseSQLAction
`adapter, entityResolver`

Constructor Summary
`BatchAction(BatchQuery batchQuery, DbAdapter adapter, EntityResolver entityResolver)`

Method Summary
`protected BatchQueryBuilder` | `createBuilder()`
`protected boolean` | `hasGeneratedKeys()` Returns whether BatchQuery generates any keys.
`boolean` | `isBatch()`
`void` | `performAction(Connection connection, OperationObserver observer)` Executes a query using a strategy defined by the implementation.
`protected void` | `processGeneratedKeys(Statement statement, OperationObserver observer)` Implements generated keys extraction supported in JDBC 3.0 specification.
`protected void` | `runAsBatch(Connection con, BatchQueryBuilder queryBuilder, OperationObserver delegate)`
`protected void` | `runAsIndividualQueries(Connection connection, BatchQueryBuilder queryBuilder, OperationObserver delegate, boolean generatesKeys)` Executes batch as individual queries over the same prepared statement.
`void` | `setBatch(boolean runningAsBatch)`

Methods inherited from class org.apache.cayenne.access.jdbc.BaseSQLAction
`getAdapter, getEntityResolver, readResultSet`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### batch

    protected boolean batch

### query

    protected BatchQuery query

### keyRowDescriptor

    protected RowDescriptor keyRowDescriptor

Constructor Detail

### BatchAction

    public BatchAction(BatchQuery batchQuery,
                       DbAdapter adapter,
                       EntityResolver entityResolver)

Method Detail

### isBatch

    public boolean isBatch()

### setBatch

    public void setBatch(boolean runningAsBatch)

### performAction

    public void performAction(Connection connection,
                              OperationObserver observer)
                       throws SQLException,
                              Exception

  Description copied from interface: `SQLAction`
  Executes a query using a strategy defined by the implementation.

  Throws:
    `SQLException`
    `Exception`

### createBuilder

    protected BatchQueryBuilder createBuilder()
                                       throws CayenneException

  Throws:
    `CayenneException`

### runAsBatch

    protected void runAsBatch(Connection con,
                              BatchQueryBuilder queryBuilder,
                              OperationObserver delegate)
                       throws SQLException,
                              Exception

  Throws:
    `SQLException`
    `Exception`

### runAsIndividualQueries

    protected void runAsIndividualQueries(Connection connection,
                                          BatchQueryBuilder queryBuilder,
                                          OperationObserver delegate,
                                          boolean generatesKeys)
                                   throws SQLException,
                                          Exception

  Executes batch as individual queries over the same prepared statement.

  Throws:
    `SQLException`
    `Exception`

### hasGeneratedKeys

    protected boolean hasGeneratedKeys()

  Returns whether BatchQuery generates any keys.

### processGeneratedKeys

    protected void processGeneratedKeys(Statement statement,
                                        OperationObserver observer)
                                 throws SQLException,
                                        CayenneException

  Implements generated keys extraction supported in JDBC 3.0 specification.

  Throws:
    `SQLException`
    `CayenneException`

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