compact3
javax.sql.rowset

## Class RowSetProvider

- java.lang.Object
- - javax.sql.rowset.RowSetProvider

-     public class RowSetProvider
      extends Object

  A factory API that enables applications to obtain a `RowSetFactory` implementation that can be used to create different types of `RowSet` implementations.

  Example:

       RowSetFactory aFactory = RowSetProvider.newFactory();
       CachedRowSet crs = aFactory.createCachedRowSet();
       ...
       RowSetFactory rsf = RowSetProvider.newFactory("com.sun.rowset.RowSetFactoryImpl", null);
       WebRowSet wrs = rsf.createWebRowSet();

  Tracing of this class may be enabled by setting the System property `javax.sql.rowset.RowSetFactory.debug` to any value but `false`.

  Since:
    1.7

- - ### Constructor Summary

    Constructors
    Modifier | Constructor | Description
    --- | --- | ---
    `protected` | `RowSetProvider()` | RowSetProvider constructor

  - ### Method Summary

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `static RowSetFactory` | `newFactory()` | Creates a new instance of a `RowSetFactory` implementation.
    `static RowSetFactory` | `newFactory(String factoryClassName, ClassLoader cl)` | Creates a new instance of a `RowSetFactory` from the specified factory class name.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### RowSetProvider

          protected RowSetProvider()

      RowSetProvider constructor

  - ### Method Detail

    - #### newFactory

          public static RowSetFactory newFactory()
                                          throws SQLException

      Creates a new instance of a `RowSetFactory` implementation. This method uses the following look up order to determine the `RowSetFactory` implementation class to load:

      - The System property `javax.sql.rowset.RowSetFactory`. For example:
        - -Djavax.sql.rowset.RowSetFactory=com.sun.rowset.RowSetFactoryImpl
      - The `ServiceLoader` API. The `ServiceLoader` API will look for a class name in the file `META-INF/services/javax.sql.rowset.RowSetFactory` in jars available to the runtime. For example, to have the the RowSetFactory implementation `com.sun.rowset.RowSetFactoryImpl` loaded, the entry in `META-INF/services/javax.sql.rowset.RowSetFactory` would be:
        - `com.sun.rowset.RowSetFactoryImpl`
      - Platform default `RowSetFactory` instance.

      Once an application has obtained a reference to a `RowSetFactory`, it can use the factory to obtain RowSet instances.

      Returns:
        New instance of a `RowSetFactory`
      Throws:
        `SQLException` - if the default factory class cannot be loaded, instantiated. The cause will be set to actual Exception
      Since:
        1.7
      See Also:
        `ServiceLoader`

    - #### newFactory

          public static RowSetFactory newFactory(String factoryClassName,
                                                 ClassLoader cl)
                                          throws SQLException

      Creates a new instance of a `RowSetFactory` from the specified factory class name. This function is useful when there are multiple providers in the classpath. It gives more control to the application as it can specify which provider should be loaded.

      Once an application has obtained a reference to a `RowSetFactory` it can use the factory to obtain RowSet instances.

      Parameters:
        `factoryClassName` - fully qualified factory class name that provides an implementation of `javax.sql.rowset.RowSetFactory`.
        `cl` - `ClassLoader` used to load the factory class. If `null` current `Thread`'s context classLoader is used to load the factory class.
      Returns:
        New instance of a `RowSetFactory`
      Throws:
        `SQLException` - if `factoryClassName` is `null`, or the factory class cannot be loaded, instantiated.
      Since:
        1.7
      See Also:
        `newFactory()`

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