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## org.springframework.jdbc.core
Class SqlParameter

    java.lang.Object
      org.springframework.jdbc.core.SqlParameter

Direct Known Subclasses:
  ResultSetSupportingSqlParameter, SqlParameterValue

    public class SqlParameter

extends Object

Object to represent a SQL parameter definition.

Parameters may be anonymous, in which case "name" is `null`. However, all parameters must define a SQL type according to `Types`.

Author:
  Rod Johnson, Thomas Risberg, Juergen Hoeller
See Also:
  `Types`

Constructor Summary
`SqlParameter(int sqlType)` Create a new anonymous SqlParameter, supplying the SQL type.
`SqlParameter(int sqlType, int scale)` Create a new anonymous SqlParameter, supplying the SQL type.
`SqlParameter(int sqlType, String typeName)` Create a new anonymous SqlParameter, supplying the SQL type.
`SqlParameter(SqlParameter otherParam)` Copy constructor.
`SqlParameter(String name, int sqlType)` Create a new SqlParameter, supplying name and SQL type.
`SqlParameter(String name, int sqlType, int scale)` Create a new SqlParameter, supplying name and SQL type.
`SqlParameter(String name, int sqlType, String typeName)` Create a new SqlParameter, supplying name and SQL type.

Method Summary
`String` | `getName()` Return the name of the parameter.
`Integer` | `getScale()` Return the scale of the parameter, if any.
`int` | `getSqlType()` Return the SQL type of the parameter.
`String` | `getTypeName()` Return the type name of the parameter, if any.
`boolean` | `isInputValueProvided()` Return whether this parameter holds input values that should be set before execution even if they are `null`.
`boolean` | `isResultsParameter()` Return whether this parameter is an implicit return parameter used during the reults preocessing of the CallableStatement.getMoreResults/getUpdateCount.
`static List` | `sqlTypesToAnonymousParameterList(int[] types)` Convert a list of JDBC types, as defined in `java.sql.Types`, to a List of SqlParameter objects as used in this package.

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

Constructor Detail

### SqlParameter

    public SqlParameter(int sqlType)

  Create a new anonymous SqlParameter, supplying the SQL type.

  Parameters:
    `sqlType` - SQL type of the parameter according to `java.sql.Types`

### SqlParameter

    public SqlParameter(int sqlType,
                        String typeName)

  Create a new anonymous SqlParameter, supplying the SQL type.

  Parameters:
    `sqlType` - SQL type of the parameter according to `java.sql.Types`
    `typeName` - the type name of the parameter (optional)

### SqlParameter

    public SqlParameter(int sqlType,
                        int scale)

  Create a new anonymous SqlParameter, supplying the SQL type.

  Parameters:
    `sqlType` - SQL type of the parameter according to `java.sql.Types`
    `scale` - the number of digits after the decimal point (for DECIMAL and NUMERIC types)

### SqlParameter

    public SqlParameter(String name,
                        int sqlType)

  Create a new SqlParameter, supplying name and SQL type.

  Parameters:
    `name` - name of the parameter, as used in input and output maps
    `sqlType` - SQL type of the parameter according to `java.sql.Types`

### SqlParameter

    public SqlParameter(String name,
                        int sqlType,
                        String typeName)

  Create a new SqlParameter, supplying name and SQL type.

  Parameters:
    `name` - name of the parameter, as used in input and output maps
    `sqlType` - SQL type of the parameter according to `java.sql.Types`
    `typeName` - the type name of the parameter (optional)

### SqlParameter

    public SqlParameter(String name,
                        int sqlType,
                        int scale)

  Create a new SqlParameter, supplying name and SQL type.

  Parameters:
    `name` - name of the parameter, as used in input and output maps
    `sqlType` - SQL type of the parameter according to `java.sql.Types`
    `scale` - the number of digits after the decimal point (for DECIMAL and NUMERIC types)

### SqlParameter

    public SqlParameter(SqlParameter otherParam)

  Copy constructor.

  Parameters:
    `otherParam` - the SqlParameter object to copy from

Method Detail

### getName

    public String getName()

  Return the name of the parameter.

### getSqlType

    public int getSqlType()

  Return the SQL type of the parameter.

### getTypeName

    public String getTypeName()

  Return the type name of the parameter, if any.

### getScale

    public Integer getScale()

  Return the scale of the parameter, if any.

### isInputValueProvided

    public boolean isInputValueProvided()

  Return whether this parameter holds input values that should be set before execution even if they are `null`.

  This implementation always returns `true`.

### isResultsParameter

    public boolean isResultsParameter()

  Return whether this parameter is an implicit return parameter used during the reults preocessing of the CallableStatement.getMoreResults/getUpdateCount.

  This implementation always returns `false`.

### sqlTypesToAnonymousParameterList

    public static List sqlTypesToAnonymousParameterList(int[] types)

  Convert a list of JDBC types, as defined in `java.sql.Types`, to a List of SqlParameter objects as used in this package.

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