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## org.apache.openjpa.jdbc.kernel
Class NativeJDBCSeq

    java.lang.Object
      org.apache.openjpa.jdbc.kernel.AbstractJDBCSeq
          org.apache.openjpa.jdbc.kernel.NativeJDBCSeq

All Implemented Interfaces:
  JDBCSeq, Seq, Configurable, Closeable

    public class NativeJDBCSeq

extends AbstractJDBCSeq
implements Configurable

`JDBCSeq` implementation that uses a database sequences to generate numbers.

See Also:
  `JDBCSeq`, `AbstractJDBCSeq`

Field Summary
`static String` | `ACTION_ADD`
`static String` | `ACTION_DROP`
`static String` | `ACTION_GET`

Fields inherited from class org.apache.openjpa.jdbc.kernel.AbstractJDBCSeq
`current, type`

Fields inherited from interface org.apache.openjpa.kernel.Seq
`TYPE_CONTIGUOUS, TYPE_DEFAULT, TYPE_NONTRANSACTIONAL, TYPE_TRANSACTIONAL`

Constructor Summary
`NativeJDBCSeq()`

Method Summary
`void` | `addSchema(ClassMapping mapping, SchemaGroup group)` No-op.
`void` | `dropSequence()` Drops the sequence in the DB.
`void` | `endConfiguration()` Invoked upon completion of bean property configuration for this object.
`int` | `getAllocate()`
`int` | `getIncrement()`
`int` | `getInitialValue()`
`String` | `getSequence()` The sequence name.
`static void` | `main(String[] args)` Usage: java org.apache.openjpa.jdbc.schema.NativeJDBCSequence [option]* -action/-a <add | drop | get> Where the following options are recognized.
`protected Object` | `nextInternal(JDBCStore store, ClassMapping mapping)` Return the next sequence object.
`void` | `refreshSequence()` Creates the sequence in the DB.
`static boolean` | `run(JDBCConfiguration conf, String[] args, Options opts)` Run the tool.
`static boolean` | `run(JDBCConfiguration conf, String[] args, String action)` Run the tool.
`void` | `setAllocate(int allocate)`
`void` | `setConfiguration(Configuration conf)` Invoked prior to setting bean properties.
`void` | `setFormat(String format)` Deprecated. Retained for backwards-compatibility for auto-configuration.
`void` | `setIncrement(int increment)`
`void` | `setInitialValue(int initial)`
`void` | `setSequence(String seqName)` The sequence name.
`void` | `setSequenceName(String seqName)` Deprecated. Use `setSequence(java.lang.String)`. Retained for backwards-compatibility for auto-configuration.
`void` | `setTableName(String table)` Deprecated. Retained for backwards-compatibility for auto-configuration.
`void` | `startConfiguration()` Invoked before bean property configuration is begun on this object.

Methods inherited from class org.apache.openjpa.jdbc.kernel.AbstractJDBCSeq
`allocate, allocateInternal, close, closeConnection, current, currentInternal, getConnection, next, setType`

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

Field Detail

### ACTION_DROP

    public static final String ACTION_DROP

See Also:
  Constant Field Values

### ACTION_ADD

    public static final String ACTION_ADD

See Also:
  Constant Field Values

### ACTION_GET

    public static final String ACTION_GET

See Also:
  Constant Field Values

Constructor Detail

### NativeJDBCSeq

    public NativeJDBCSeq()

Method Detail

### getSequence

    public String getSequence()

  The sequence name. Defaults to `OPENJPA_SEQUENCE`.

### setSequence

    public void setSequence(String seqName)

  The sequence name. Defaults to `OPENJPA_SEQUENCE`.

### setSequenceName

    public void setSequenceName(String seqName)

  Deprecated. Use `setSequence(java.lang.String)`. Retained for backwards-compatibility for auto-configuration.

### getInitialValue

    public int getInitialValue()

  See Also:
    `Sequence.getInitialValue()`

### setInitialValue

    public void setInitialValue(int initial)

  See Also:
    `Sequence.setInitialValue(int)`

### getAllocate

    public int getAllocate()

  See Also:
    `Sequence.getAllocate()`

### setAllocate

    public void setAllocate(int allocate)

  See Also:
    `Sequence.setAllocate(int)`

### getIncrement

    public int getIncrement()

  See Also:
    `Sequence.getIncrement()`

### setIncrement

    public void setIncrement(int increment)

  See Also:
    `Sequence.setIncrement(int)`

### setTableName

    public void setTableName(String table)

  Deprecated. Retained for backwards-compatibility for auto-configuration.

### setFormat

    public void setFormat(String format)

  Deprecated. Retained for backwards-compatibility for auto-configuration.

### addSchema

    public void addSchema(ClassMapping mapping,
                          SchemaGroup group)

  Description copied from class: `AbstractJDBCSeq`
  No-op.

  Specified by:
    `addSchema` in interface `JDBCSeq`
  Overrides:
    `addSchema` in class `AbstractJDBCSeq`

### setConfiguration

    public void setConfiguration(Configuration conf)

  Description copied from interface: `Configurable`
  Invoked prior to setting bean properties.

  Specified by:
    `setConfiguration` in interface `Configurable`

### startConfiguration

    public void startConfiguration()

  Description copied from interface: `Configurable`
  Invoked before bean property configuration is begun on this object.

  Specified by:
    `startConfiguration` in interface `Configurable`

### endConfiguration

    public void endConfiguration()

  Description copied from interface: `Configurable`
  Invoked upon completion of bean property configuration for this object.

  Specified by:
    `endConfiguration` in interface `Configurable`

### nextInternal

    protected Object nextInternal(JDBCStore store,
                                  ClassMapping mapping)
                           throws SQLException

  Description copied from class: `AbstractJDBCSeq`
  Return the next sequence object.

  Specified by:
    `nextInternal` in class `AbstractJDBCSeq`
  Throws:
    `SQLException`

### refreshSequence

    public void refreshSequence()
                         throws SQLException

  Creates the sequence in the DB.

  Throws:
    `SQLException`

### dropSequence

    public void dropSequence()
                      throws SQLException

  Drops the sequence in the DB.

  Throws:
    `SQLException`

### main

    public static void main(String[] args)
                     throws Exception

  Usage: java org.apache.openjpa.jdbc.schema.NativeJDBCSequence [option]* -action/-a <add | drop | get> Where the following options are recognized.
  - -properties/-p <properties file or resource>: The path or resource name of a OpenJPA properties file containing information such as the license key and connection data as outlined in `JDBCConfiguration`. Optional.
  - -<property name> <property value>: All bean properties of the OpenJPA `JDBCConfiguration` can be set by using their names and supplying a value. For example: `-licenseKey adslfja83r3lkadf`
  The various actions are as follows.
  - add: Create the sequence.
  - drop: Drop the sequence.
  - get: Print the next sequence value.

  Throws:
    `Exception`

### run

    public static boolean run(JDBCConfiguration conf,
                              String[] args,
                              Options opts)
                       throws Exception

  Run the tool. Returns false if invalid options were given.

  Throws:
    `Exception`

### run

    public static boolean run(JDBCConfiguration conf,
                              String[] args,
                              String action)
                       throws Exception

  Run the tool. Return false if an invalid option was given.

  Throws:
    `Exception`

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Copyright © 2006 Apache Software Foundation. All Rights Reserved.