SerializableParameterMetaData (JBoss Connector API) - JBoss 4.0.1 sp1 connector API Documentation 英文版文档

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org.jboss.resource.adapter.jdbc.remote
Class SerializableParameterMetaData

java.lang.Object
  org.jboss.resource.adapter.jdbc.remote.SerializableParameterMetaData

All Implemented Interfaces:: ParameterMetaData, Serializable

public class SerializableParameterMetaData
extends Object
implements ParameterMetaData, Serializable

Author:: Tom Elrod
See Also:: Serialized Form

Field Summary

Fields inherited from interface java.sql.ParameterMetaData

parameterModeIn, parameterModeInOut, parameterModeOut, parameterModeUnknown, parameterNoNulls, parameterNullable, parameterNullableUnknown

Constructor Summary

SerializableParameterMetaData(ParameterMetaData pMetaData)


Method Summary

String getParameterClassName(int param)
          Retrieves the fully-qualified name of the Java class whose instances should be passed to the method PreparedStatement.setObject.

int getParameterCount()
          Retrieves the number of parameters in the PreparedStatement object for which this ParameterMetaData object contains information.

int getParameterMode(int param)
          Retrieves the designated parameter's mode.

int getParameterType(int param)
          Retrieves the designated parameter's SQL type.

String getParameterTypeName(int param)
          Retrieves the designated parameter's database-specific type name.

int getPrecision(int param)
          Retrieves the designated parameter's number of decimal digits.

int getScale(int param)
          Retrieves the designated parameter's number of digits to right of the decimal point.

int isNullable(int param)
          Retrieves whether null values are allowed in the designated parameter.

boolean isSigned(int param)
          Retrieves whether values for the designated parameter can be signed numbers.

Methods inherited from class java.lang.Object

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

Constructor Detail

SerializableParameterMetaData

public SerializableParameterMetaData(ParameterMetaData pMetaData)
                              throws SQLException

Method Detail

getParameterCount

public int getParameterCount()
                      throws SQLException

Retrieves the number of parameters in the PreparedStatement object for which this ParameterMetaData object contains information.

Specified by:: getParameterCount in interface ParameterMetaData

Returns:: the number of parameters
Throws:: SQLException - if a database access error occurs
Since:: 1.4

getParameterMode

public int getParameterMode(int param)
                     throws SQLException

Retrieves the designated parameter's mode.

Specified by:: getParameterMode in interface ParameterMetaData

Parameters:: param - the first parameter is 1, the second is 2, ...
Returns:: mode of the parameter; one of ParameterMetaData.parameterModeIn, ParameterMetaData.parameterModeOut, or ParameterMetaData.parameterModeInOut ParameterMetaData.parameterModeUnknown.
Throws:: SQLException - if a database access error occurs
Since:: 1.4

getParameterType

public int getParameterType(int param)
                     throws SQLException

Retrieves the designated parameter's SQL type.

Specified by:: getParameterType in interface ParameterMetaData

Parameters:: param - the first parameter is 1, the second is 2, ...
Returns:: SQL type from java.sql.Types
Throws:: SQLException - if a database access error occurs
Since:: 1.4
See Also:: Types

getPrecision

public int getPrecision(int param)
                 throws SQLException

Retrieves the designated parameter's number of decimal digits.

Specified by:: getPrecision in interface ParameterMetaData

Parameters:: param - the first parameter is 1, the second is 2, ...
Returns:: precision
Throws:: SQLException - if a database access error occurs
Since:: 1.4

getScale

public int getScale(int param)
             throws SQLException

Retrieves the designated parameter's number of digits to right of the decimal point.

Specified by:: getScale in interface ParameterMetaData

Parameters:: param - the first parameter is 1, the second is 2, ...
Returns:: scale
Throws:: SQLException - if a database access error occurs
Since:: 1.4

isNullable

public int isNullable(int param)
               throws SQLException

Retrieves whether null values are allowed in the designated parameter.

Specified by:: isNullable in interface ParameterMetaData

Parameters:: param - the first parameter is 1, the second is 2, ...
Returns:: the nullability status of the given parameter; one of ParameterMetaData.parameterNoNulls, ParameterMetaData.parameterNullable, or ParameterMetaData.parameterNullableUnknown
Throws:: SQLException - if a database access error occurs
Since:: 1.4

isSigned

public boolean isSigned(int param)
                 throws SQLException

Retrieves whether values for the designated parameter can be signed numbers.

Specified by:: isSigned in interface ParameterMetaData

Parameters:: param - the first parameter is 1, the second is 2, ...
Returns:: true if so; false otherwise
Throws:: SQLException - if a database access error occurs
Since:: 1.4

getParameterClassName

public String getParameterClassName(int param)
                             throws SQLException

Retrieves the fully-qualified name of the Java class whose instances should be passed to the method PreparedStatement.setObject.

Specified by:: getParameterClassName in interface ParameterMetaData

Parameters:: param - the first parameter is 1, the second is 2, ...
Returns:: the fully-qualified name of the class in the Java programming language that would be used by the method PreparedStatement.setObject to set the value in the specified parameter. This is the class name used for custom mapping.
Throws:: SQLException - if a database access error occurs
Since:: 1.4

getParameterTypeName

public String getParameterTypeName(int param)
                            throws SQLException

Retrieves the designated parameter's database-specific type name.

Specified by:: getParameterTypeName in interface ParameterMetaData

Parameters:: param - the first parameter is 1, the second is 2, ...
Returns:: type the name used by the database. If the parameter type is a user-defined type, then a fully-qualified type name is returned.
Throws:: SQLException - if a database access error occurs
Since:: 1.4