org.axiondb.types
Class TimestampType

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

All Implemented Interfaces:

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

Direct Known Subclasses:

DateType, TimeType

public class TimestampType
extends BaseDataType
implements java.util.Comparator

A DataTyperepresenting a timestamp value.

Version:

$Revision: 1.33 $ $Date: 2005/08/24 00:37:25 $

See Also:

Serialized Form

Nested Class Summary

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

DataType.BinaryRepresentation, DataType.ExactNumeric, DataType.NonFixedPrecision

Field Summary

static java.util.Locale

LOCALE

Constructor Summary

TimestampType()

Method Summary

boolean	accepts(java.lang.Object value) Returns true iff value is null, a Number, or a String that can be converted to a Long.
int	compare(java.lang.Object left, java.lang.Object right)
java.lang.Object	convert(java.lang.Object value) Returns an Byte converted from the given value , or throws IllegalArgumentExceptionif the given value isn't acceptable.
int	getColumnDisplaySize() Value returned by ResultSetMetaData#getColumnDisplaySizefor this data type.
protected java.util.Comparator	getComparator() This base implementation simply returns a ComparableComparator.
int	getJdbcType() Returns the JDBC type codemost closely matching this type.
int	getPrecision() Value returned by ResultSetMetaData#getPrecisionfor this data type.
java.lang.String	getPreferredValueClassName() Returns the "normal" type returned by DataType.convert(java.lang.Object).
static java.util.TimeZone	getTimeZone()
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.
static void	setTimeZone(java.lang.String id)
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.
java.math.BigDecimal	toBigDecimal(java.lang.Object value) Convert the given non- null value to a BigDecimal, or throw a AxionException.
java.sql.Date	toDate(java.lang.Object value) Convert the given non- null value to a Date, or throw a SQLException.
java.lang.String	toString()
java.lang.String	toString(java.lang.Object value) Convert the given non- null value to a String, or throw a AxionException.
java.sql.Time	toTime(java.lang.Object value) Convert the given non- null value to a Time, or throw a AxionException.
java.sql.Timestamp	toTimestamp(java.lang.Object value) Convert the given non- null value to a Timestamp, or throw a AxionException.
void	write(java.lang.Object value, java.io.DataOutput out) Writes the given value to the given DataOutput.

Methods inherited from class org.axiondb.types.BaseDataType

getLiteralPrefix, getLiteralSuffix, getNullableCode, getPrecisionRadix, getScale, getSearchableCode, isCaseSensitive, isCurrency, isUnsigned, toBigInteger, toBlob, toBoolean, toByte, toByteArray, toClob, toDouble, toFloat, toInt, toLong, toNumber, toShort, toURL

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Field Detail

LOCALE

public static final java.util.Locale LOCALE

Constructor Detail

TimestampType

public TimestampType()

Method Detail

getJdbcType

public int getJdbcType()

Description copied from interface: DataType

Returns the JDBC type codemost closely matching this type.

Specified by:

getJdbcType in interface DataType

Specified by:

getJdbcType in class BaseDataType

getPreferredValueClassName

public java.lang.String getPreferredValueClassName()

Description copied from interface: DataType

Returns the "normal" type returned by DataType.convert(java.lang.Object). Returns java.lang.Object if unknown.

Specified by:

getPreferredValueClassName in interface DataType

Overrides:

getPreferredValueClassName in class BaseDataType

See Also:

AxionResultSetMetaData.getColumnClassName(int)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

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)

Returns true iff value is null, a Number, or a String that can be converted to a Long.

Specified by:

accepts in interface DataType

Specified by:

accepts in class BaseDataType

Parameters:

value - non- null value

convert

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

Returns an Byte converted from the given value , or throws IllegalArgumentExceptionif the given value isn't acceptable.

Specified by:

convert in interface DataType

Specified by:

convert in class BaseDataType

Throws:

AxionException

toBigDecimal

public java.math.BigDecimal toBigDecimal(java.lang.Object value)
                                  throws AxionException

Description copied from interface: DataType

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

Specified by:

toBigDecimal in interface DataType

Overrides:

toBigDecimal in class BaseDataType

Throws:

AxionException

See Also:

ResultSet.getBigDecimal(int, int)

toDate

public java.sql.Date toDate(java.lang.Object value)
                     throws AxionException

Description copied from interface: DataType

Convert the given non- null value to a Date, or throw a SQLException.

Specified by:

toDate in interface DataType

Overrides:

toDate in class BaseDataType

Throws:

AxionException

See Also:

ResultSet.getDate(int)

toString

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

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

Throws:

AxionException

See Also:

ResultSet.getString(int)

toTimestamp

public java.sql.Timestamp toTimestamp(java.lang.Object value)
                               throws AxionException

Description copied from interface: DataType

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

Specified by:

toTimestamp in interface DataType

Overrides:

toTimestamp in class BaseDataType

Throws:

AxionException

See Also:

ResultSet.getTimestamp(int)

toTime

public java.sql.Time toTime(java.lang.Object value)
                     throws AxionException

Description copied from interface: DataType

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

Specified by:

toTime in interface DataType

Overrides:

toTime in class BaseDataType

Throws:

AxionException

See Also:

ResultSet.getTime(int)

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

read

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

Description copied from interface: DataType

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 DataType.write(java.lang.Object, java.io.DataOutput).

Specified by:

read in interface DataType

Specified by:

read in class BaseDataType

Throws:

java.io.IOException

See Also:

write(java.lang.Object, java.io.DataOutput)

write

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

Writes the given value to the given DataOutput. Null values are written as Integer.MIN_VALUE. All other values are written directly with an int representing nanoseconds first, and a long representing the time.

Specified by:

write in interface DataType

Specified by:

write in class BaseDataType

Parameters:

value - the value to write, which must be acceptable

Throws:

java.io.IOException

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.

compare

public int compare(java.lang.Object left,
                   java.lang.Object right)

Specified by:

compare in interface java.util.Comparator

Overrides:

compare in class BaseDataType

getComparator

protected java.util.Comparator getComparator()

Description copied from class: BaseDataType

This base implementation simply returns a ComparableComparator.

Overrides:

getComparator in class BaseDataType

setTimeZone

public static void setTimeZone(java.lang.String id)

getTimeZone

public static java.util.TimeZone getTimeZone()