Package org.apache.cayenne.access.types
Class VoidType
java.lang.Object
org.apache.cayenne.access.types.VoidType
- All Implemented Interfaces:
ExtendedType<Void>
public class VoidType extends Object implements ExtendedType<Void>
A noop type that is sometimes useful to suppress extended types operations. It will set
and get null values.
- Since:
- 1.2
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Field Summary
Fields inherited from interface org.apache.cayenne.access.types.ExtendedType
TRIM_VALUES_THRESHOLD
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Constructor Summary
Constructors Constructor Description VoidType()
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Method Summary
Modifier and Type Method Description String
getClassName()
Returns a full name of Java class that this ExtendedType supports.Void
materializeObject(CallableStatement rs, int index, int type)
Reads an object from a stored procedure OUT parameter, converting it to class returned by 'getClassName' method.Void
materializeObject(ResultSet rs, int index, int type)
Reads an object from JDBC ResultSet column, converting it to class returned by 'getClassName' method.void
setJdbcObject(PreparedStatement statement, Void value, int pos, int type, int precision)
Initializes a single parameter of a PreparedStatement with object value.String
toString(Void value)
Converts value of the supported type to a human-readable String representation.
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Constructor Details
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VoidType
public VoidType()
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Method Details
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getClassName
Description copied from interface:ExtendedType
Returns a full name of Java class that this ExtendedType supports.- Specified by:
getClassName
in interfaceExtendedType<Void>
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setJdbcObject
public void setJdbcObject(PreparedStatement statement, Void value, int pos, int type, int precision) throws ExceptionDescription copied from interface:ExtendedType
Initializes a single parameter of a PreparedStatement with object value.- Specified by:
setJdbcObject
in interfaceExtendedType<Void>
- Throws:
Exception
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materializeObject
Description copied from interface:ExtendedType
Reads an object from JDBC ResultSet column, converting it to class returned by 'getClassName' method.- Specified by:
materializeObject
in interfaceExtendedType<Void>
- Throws:
Exception
- if read error occurred, or an object can't be converted to a target Java class.
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materializeObject
Description copied from interface:ExtendedType
Reads an object from a stored procedure OUT parameter, converting it to class returned by 'getClassName' method.- Specified by:
materializeObject
in interfaceExtendedType<Void>
- Throws:
Exception
- if read error occurred, or an object can't be converted to a target Java class.
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toString
Description copied from interface:ExtendedType
Converts value of the supported type to a human-readable String representation.- Specified by:
toString
in interfaceExtendedType<Void>
- Parameters:
value
- a value to convert to String.
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