package liquibase.executor.jvm;

 /**

  * Object to represent a SQL parameter value, including parameter metadata such as the SQL type and the scale for

  * numeric values.

  * <p/>

  * <p>

  * Designed for use with {@link liquibase.executor.Executor}'s operations that take an array of argument values: Each

  * such argument value may be a <code>SqlParameterValue</code>, indicating the SQL type (and optionally the scale)

  * instead of letting the template guess a default type. Note that this only applies to the operations with a 'plain'

  * argument array, not to the overloaded variants with an explicit type array.

  * 

  * @author Spring Framework

  * @see java.sql.Types

  */

 class SqlParameterValue extends SqlParameter {

     private final Object value;

     /**

      * Create a new SqlParameterValue, supplying the SQL type.

      * 

      * @param sqlType

      *            SQL type of the parameter according to <code>java.sql.Types</code>

      * @param value

      *            the value object

      */

     public SqlParameterValue(int sqlType, Object value) {

         super(sqlType);

         this.value = value;

     }

     /**

      * Create a new SqlParameterValue, supplying the SQL type.

      * 

      * @param sqlType

      *            SQL type of the parameter according to <code>java.sql.Types</code>

      * @param typeName

      *            the type name of the parameter (optional)

      * @param value

      *            the value object

      */

     public SqlParameterValue(int sqlType, String typeName, Object value) {

         super(sqlType, typeName);

         this.value = value;

     }

     /**

      * Create a new SqlParameterValue, supplying the SQL type.

      * 

      * @param sqlType

      *            SQL type of the parameter according to <code>java.sql.Types</code>

      * @param scale

      *            the number of digits after the decimal point (for DECIMAL and NUMERIC types)

      * @param value

      *            the value object

      */

     public SqlParameterValue(int sqlType, int scale, Object value) {

         super(sqlType, scale);

         this.value = value;

     }

     /**

      * Create a new SqlParameterValue based on the given SqlParameter declaration.

      * 

      * @param declaredParam

      *            the declared SqlParameter to define a value for

      * @param value

      *            the value object

      */

     public SqlParameterValue(SqlParameter declaredParam, Object value) {

         super(declaredParam);

         this.value = value;

     }

     /**

      * Return the value object that this parameter value holds.

      */

     public Object getValue() {

         return this.value;

     }

 }