Package org.apache.cayenne.access.types
Interface ExtendedType<T>
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- All Known Implementing Classes:
BigDecimalType
,BooleanType
,ByteArrayType
,ByteType
,CalendarType
,CharType
,DateType
,DoubleType
,EnumType
,ExtendedEnumType
,FloatType
,IngresBooleanType
,IntegerType
,LongType
,ObjectType
,OracleByteArrayType
,OracleCharType
,OracleUtilDateType
,ShortType
,TimestampType
,TimeType
,UtilDateType
,VoidType
public interface ExtendedType<T>
Defines methods to read Java objects from JDBC ResultSets and write as parameters of PreparedStatements.
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Field Summary
Fields Modifier and Type Field Description static int
TRIM_VALUES_THRESHOLD
Defines trimming constant for toString method that helps to limit logging of large values.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description String
getClassName()
Returns a full name of Java class that this ExtendedType supports.T
materializeObject(CallableStatement rs, int index, int type)
Reads an object from a stored procedure OUT parameter, converting it to class returned by 'getClassName' method.T
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, T value, int pos, int type, int scale)
Initializes a single parameter of a PreparedStatement with object value.String
toString(T value)
Converts value of the supported type to a human-readable String representation.
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Field Detail
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TRIM_VALUES_THRESHOLD
static final int TRIM_VALUES_THRESHOLD
Defines trimming constant for toString method that helps to limit logging of large values.- See Also:
- Constant Field Values
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Method Detail
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getClassName
String getClassName()
Returns a full name of Java class that this ExtendedType supports.
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setJdbcObject
void setJdbcObject(PreparedStatement statement, T value, int pos, int type, int scale) throws Exception
Initializes a single parameter of a PreparedStatement with object value.- Throws:
Exception
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materializeObject
T materializeObject(ResultSet rs, int index, int type) throws Exception
Reads an object from JDBC ResultSet column, converting it to class returned by 'getClassName' method.- Throws:
Exception
- if read error occurred, or an object can't be converted to a target Java class.
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materializeObject
T materializeObject(CallableStatement rs, int index, int type) throws Exception
Reads an object from a stored procedure OUT parameter, converting it to class returned by 'getClassName' method.- Throws:
Exception
- if read error occurred, or an object can't be converted to a target Java class.
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