org.axiondb.types
Class VarBinaryType

java.lang.Object
  org.axiondb.types.BaseDataType
      org.axiondb.types.VarBinaryType

All Implemented Interfaces:

java.io.Serializable, java.util.Comparator, DataType, DataType.NonFixedPrecision, DataTypeFactory

public class VarBinaryType
extends BaseDataType
implements java.io.Serializable, java.util.Comparator, DataType.NonFixedPrecision

A DataTyperepresenting a BinaryArrayvalue.

Version:

$Revision: 1.9 $ $Date: 2005/11/03 01:26:57 $

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.axiondb.DataType

DataType.BinaryRepresentation, DataType.ExactNumeric, DataType.NonFixedPrecision

Constructor Summary

VarBinaryType()

VarBinaryType(int length)
Creates a new instance of VarBinaryType

Method Summary

boolean	accepts(java.lang.Object value) Return true if a field of my type can be assigned the given non- null value , false otherwise.
int	compare(java.lang.Object a, java.lang.Object b)
java.lang.Object	convert(java.lang.Object value) Converts an acceptablevalue to one of the appropriate type.
int	getColumnDisplaySize() Value returned by ResultSetMetaData#getColumnDisplaySizefor this data type.
java.util.Comparator	getComparator() This base implementation simply returns a ComparableComparator.
int	getJdbcType() Returns Types.VARBINARY.
int	getPrecision() Value returned by ResultSetMetaData#getPrecisionfor this data type.
DataType	makeNewInstance() Creates a new instance of this DataType implementation.
java.lang.Object	read(java.io.DataInput in) Instantiate an object of my type from the given DataInput.
void	setLength(int length)
void	setPrecision(int newSize) Overrides the default precision with the given value.
java.lang.Object	successor(java.lang.Object value) Returns the successor for the given value.
boolean	supportsSuccessor() Returns true if the DataType.successor(java.lang.Object)method is supported, false otherwise.
byte[]	toByteArray(java.lang.Object value) Convert the given non- null value to a byte[], or throw a AxionException.
java.lang.String	toString(java.lang.Object value) Convert the given non- null value to a String, or throw a AxionException.
void	write(java.lang.Object value, java.io.DataOutput out) Write an object of my type to the given DataOutput.

Methods inherited from class org.axiondb.types.BaseDataType

getLiteralPrefix, getLiteralSuffix, getNullableCode, getPrecisionRadix, getPreferredValueClassName, getScale, getSearchableCode, isCaseSensitive, isCurrency, isUnsigned, toBigDecimal, toBigInteger, toBlob, toBoolean, toByte, toClob, toDate, toDouble, toFloat, toInt, toLong, toNumber, toShort, toTime, toTimestamp, toURL

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.axiondb.DataType

getLiteralPrefix, getLiteralSuffix, getNullableCode, getPrecisionRadix, getPreferredValueClassName, getScale, getSearchableCode, isCaseSensitive, isCurrency, isUnsigned, toBigDecimal, toBigInteger, toBlob, toBoolean, toByte, toClob, toDate, toDouble, toFloat, toInt, toLong, toShort, toTime, toTimestamp, toURL

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

VarBinaryType

public VarBinaryType()

VarBinaryType

public VarBinaryType(int length)

Creates a new instance of VarBinaryType

Method Detail

setLength

public void setLength(int length)

getColumnDisplaySize

public int getColumnDisplaySize()

Description copied from interface: DataType

Value returned by ResultSetMetaData#getColumnDisplaySizefor this data type.

Specified by:

getColumnDisplaySize in interface DataType

Overrides:

getColumnDisplaySize in class BaseDataType

See Also:

ResultSetMetaData.getColumnDisplaySize(int)

getPrecision

public int getPrecision()

Description copied from interface: DataType

Value returned by ResultSetMetaData#getPrecisionfor this data type.

Specified by:

getPrecision in interface DataType

Overrides:

getPrecision in class BaseDataType

See Also:

ResultSetMetaData.getPrecision(int)

accepts

public boolean accepts(java.lang.Object value)

Return true if a field of my type can be assigned the given non- null value , false otherwise.

Specified by:

accepts in interface DataType

Specified by:

accepts in class BaseDataType

Parameters:

value - non- null value

supportsSuccessor

public boolean supportsSuccessor()

Description copied from interface: DataType

Returns true if the DataType.successor(java.lang.Object)method is supported, false otherwise.

Specified by:

supportsSuccessor in interface DataType

Overrides:

supportsSuccessor in class BaseDataType

successor

public java.lang.Object successor(java.lang.Object value)
                           throws java.lang.IllegalArgumentException

Description copied from interface: DataType

Returns the successor for the given value. For example, the successor of the integer 1 is 2.

Specified by:

successor in interface DataType

Overrides:

successor in class BaseDataType

Throws:

java.lang.IllegalArgumentException

convert

public java.lang.Object convert(java.lang.Object value)
                         throws AxionException

Converts an acceptablevalue to one of the appropriate type.

Specified by:

convert in interface DataType

Specified by:

convert in class BaseDataType

Throws:

AxionException

toByteArray

public byte[] toByteArray(java.lang.Object value)
                   throws AxionException

Description copied from interface: DataType

Convert the given non- null value to a byte[], or throw a AxionException.

Specified by:

toByteArray in interface DataType

Overrides:

toByteArray in class BaseDataType

Throws:

AxionException

See Also:

ResultSet.getBytes(int)

getJdbcType

public int getJdbcType()

Returns Types.VARBINARY.

Specified by:

getJdbcType in interface DataType

Specified by:

getJdbcType in class BaseDataType

makeNewInstance

public DataType makeNewInstance()

Description copied from interface: DataType

Creates a new instance of this DataType implementation.

Specified by:

makeNewInstance in interface DataType

Specified by:

makeNewInstance in interface DataTypeFactory

Specified by:

makeNewInstance in class BaseDataType

Returns:

new instance of this DataType implementation.

read

public java.lang.Object read(java.io.DataInput in)
                      throws java.io.IOException

Instantiate an object of my type from the given DataInput. The next sequence of bytes to be read from the DataInput will have been written by write(java.lang.Object, java.io.DataOutput).

Specified by:

read in interface DataType

Specified by:

read in class BaseDataType

Parameters:

in - DataInput from which to read data

Throws:

java.io.IOException - if error occurs during read

write

public void write(java.lang.Object value,
                  java.io.DataOutput out)
           throws java.io.IOException

Write an object of my type to the given DataOutput.

Specified by:

write in interface DataType

Specified by:

write in class BaseDataType

Parameters:

value - the value to write, which must be acceptableto this DataType

out - DataOutput to receive data

Throws:

java.io.IOException - if error occurs while writing value, or if value is invalid for this type

toString

public java.lang.String toString(java.lang.Object value)

Description copied from interface: DataType

Convert the given non- null value to a String, or throw a AxionException.

Specified by:

toString in interface DataType

Overrides:

toString in class BaseDataType

See Also:

ResultSet.getString(int)

getComparator

public java.util.Comparator getComparator()

Description copied from class: BaseDataType

This base implementation simply returns a ComparableComparator.

Overrides:

getComparator in class BaseDataType

compare

public int compare(java.lang.Object a,
                   java.lang.Object b)
            throws java.lang.ClassCastException

Specified by:

compare in interface java.util.Comparator

Overrides:

compare in class BaseDataType

Throws:

java.lang.ClassCastException

setPrecision

public void setPrecision(int newSize)

Description copied from interface: DataType.NonFixedPrecision

Overrides the default precision with the given value.

Specified by:

setPrecision in interface DataType.NonFixedPrecision

Parameters:

newSize - new precision value. The appropriate value depends on the precision radix, which is fixed for each implementing type.