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java.lang.Objectorg.axiondb.types.BaseDataType
org.axiondb.types.VarBinaryType
public class VarBinaryType
A DataType
representing a BinaryArray
value.
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(Object value)
Return true if a field of my type can be assigned the given non-
null value , false otherwise. |
int |
compare(Object a,
Object b)
|
Object |
convert(Object value)
Converts an acceptable value to one of the appropriate type. |
int |
getColumnDisplaySize()
Value returned by ResultSetMetaData#getColumnDisplaySize for this data
type. |
Comparator |
getComparator()
This base implementation simply returns a ComparableComparator . |
int |
getJdbcType()
Returns Types.VARBINARY . |
int |
getPrecision()
Value returned by ResultSetMetaData#getPrecision for this data type. |
DataType |
makeNewInstance()
Creates a new instance of this DataType implementation. |
Object |
read(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. |
Object |
successor(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(Object value)
Convert the given non- null value to a byte[] ,
or throw a AxionException . |
String |
toString(Object value)
Convert the given non- null value to a String , or
throw a AxionException . |
void |
write(Object value,
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 |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.axiondb.DataType |
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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 |
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equals |
Constructor Detail |
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public VarBinaryType()
public VarBinaryType(int length)
Method Detail |
---|
public void setLength(int length)
public int getColumnDisplaySize()
DataType
ResultSetMetaData#getColumnDisplaySize
for this data
type.
getColumnDisplaySize
in interface DataType
getColumnDisplaySize
in class BaseDataType
ResultSetMetaData.getColumnDisplaySize(int)
public int getPrecision()
DataType
ResultSetMetaData#getPrecision
for this data type.
getPrecision
in interface DataType
getPrecision
in class BaseDataType
ResultSetMetaData.getPrecision(int)
public boolean accepts(Object value)
true
if a field of my type can be assigned the given non-
null
value , false
otherwise.
accepts
in interface DataType
accepts
in class BaseDataType
value
- non- null
valuepublic boolean supportsSuccessor()
DataType
true
if the DataType.successor(java.lang.Object)
method is supported, false
otherwise.
supportsSuccessor
in interface DataType
supportsSuccessor
in class BaseDataType
public Object successor(Object value) throws IllegalArgumentException
DataType
successor
in interface DataType
successor
in class BaseDataType
IllegalArgumentException
public Object convert(Object value) throws AxionException
acceptable
value to one of the appropriate type.
convert
in interface DataType
convert
in class BaseDataType
AxionException
public byte[] toByteArray(Object value) throws AxionException
DataType
null
value to a byte[]
,
or throw a AxionException
.
toByteArray
in interface DataType
toByteArray
in class BaseDataType
AxionException
ResultSet.getBytes(int)
public int getJdbcType()
Types.VARBINARY
.
getJdbcType
in interface DataType
getJdbcType
in class BaseDataType
public DataType makeNewInstance()
DataType
makeNewInstance
in interface DataType
makeNewInstance
in interface DataTypeFactory
makeNewInstance
in class BaseDataType
public Object read(DataInput in) throws IOException
DataInput
. The next
sequence of bytes to be read from the DataInput
will have been
written by write(java.lang.Object, java.io.DataOutput)
.
read
in interface DataType
read
in class BaseDataType
in
- DataInput from which to read data
IOException
- if error occurs during readpublic void write(Object value, DataOutput out) throws IOException
DataOutput
.
write
in interface DataType
write
in class BaseDataType
value
- the value to write, which must be acceptable
to this
DataType
out
- DataOutput to receive data
IOException
- if error occurs while writing value, or if value
is invalid
for this typepublic String toString(Object value)
DataType
null
value to a String
, or
throw a AxionException
.
toString
in interface DataType
toString
in class BaseDataType
ResultSet.getString(int)
public Comparator getComparator()
BaseDataType
ComparableComparator
.
getComparator
in class BaseDataType
public int compare(Object a, Object b) throws ClassCastException
compare
in interface Comparator
compare
in class BaseDataType
ClassCastException
public void setPrecision(int newSize)
DataType.NonFixedPrecision
setPrecision
in interface DataType.NonFixedPrecision
newSize
- new precision value. The appropriate value depends on the
precision radix, which is fixed for each implementing type.
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