org.h2.value

Class ValueBoolean

java.lang.Object

org.h2.value.Value

org.h2.value.ValueBoolean

public class ValueBoolean
extends Value

Implementation of the BOOLEAN data type.

Nested Class Summary

Nested classes/interfaces inherited from class org.h2.value.Value

Value.ValueBlob, Value.ValueClob

Field Summary

Fields

Modifier and Type	Field and Description
static int	DISPLAY_SIZE The maximum display size of a boolean.
static ValueBoolean	FALSE FALSE value.
static int	PRECISION The precision in digits.
static ValueBoolean	TRUE TRUE value.

Fields inherited from class org.h2.value.Value

ARRAY, BLOB, BOOLEAN, BYTE, BYTES, CLOB, DATE, DECIMAL, DOUBLE, ENUM, FLOAT, GEOMETRY, INT, JAVA_OBJECT, LONG, NULL, RESULT_SET, SHORT, STRING, STRING_FIXED, STRING_IGNORECASE, TIME, TIMESTAMP, TIMESTAMP_TZ, TYPE_COUNT, UNKNOWN, UUID

Method Summary

Modifier and Type	Method and Description
protected int	compareSecure(Value o, CompareMode mode) Compare the value with another value of the same type.
boolean	equals(java.lang.Object other) Check if the two values have the same hash code.
static ValueBoolean	get(boolean b) Get the boolean value for the given boolean.
boolean	getBoolean()
int	getDisplaySize() Get the display size in characters.
java.lang.Object	getObject() Get the value as an object.
long	getPrecision() Get the precision.
java.lang.String	getSQL() Get the SQL expression for this value.
java.lang.String	getString() Get the value as a string.
int	getType() Get the value type.
int	hashCode()
Value	negate() Return -value if this value support arithmetic operations.
void	set(java.sql.PreparedStatement prep, int parameterIndex) Set the value as a parameter in a prepared statement.

Methods inherited from class org.h2.value.Value

add, checkPrecision, clearCache, compareTo, compareTypeSafe, convertPrecision, convertScale, convertTo, convertTo, convertTo, convertToEnum, copy, copyToResult, copyToTemp, divide, getBigDecimal, getByte, getBytes, getBytesNoCopy, getDataHandler, getDate, getDouble, getFloat, getHigherOrder, getInputStream, getInputStream, getInt, getLong, getMemory, getReader, getReader, getResultSet, getScale, getShort, getSignum, getSmall, getTableId, getTime, getTimestamp, getTraceSQL, isLinkedToTable, modulus, multiply, remove, subtract, throwUnsupportedExceptionForType, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

PRECISION

public static final int PRECISION

The precision in digits.

See Also:

Constant Field Values

DISPLAY_SIZE

public static final int DISPLAY_SIZE

The maximum display size of a boolean. Example: FALSE

See Also:

Constant Field Values

TRUE

public static final ValueBoolean TRUE

TRUE value.

FALSE

public static final ValueBoolean FALSE

FALSE value.

Method Detail

getType

public int getType()

Description copied from class: Value

Get the value type.

Specified by:

getType in class Value

Returns:

the type

getSQL

public java.lang.String getSQL()

Description copied from class: Value

Get the SQL expression for this value.

Specified by:

getSQL in class Value

Returns:

the SQL expression

getString

public java.lang.String getString()

Description copied from class: Value

Get the value as a string.

Specified by:

getString in class Value

Returns:

the string

negate

public Value negate()

Description copied from class: Value

Return -value if this value support arithmetic operations.

Overrides:

negate in class Value

Returns:

the negative

getBoolean

public boolean getBoolean()

Overrides:

getBoolean in class Value

compareSecure

protected int compareSecure(Value o,
                            CompareMode mode)

Description copied from class: Value

Compare the value with another value of the same type.

Specified by:

compareSecure in class Value

Parameters:

o - the other value

mode - the compare mode

Returns:

0 if both values are equal, -1 if the other value is smaller, and 1 otherwise

getPrecision

public long getPrecision()

Description copied from class: Value

Get the precision.

Specified by:

getPrecision in class Value

Returns:

the precision

hashCode

public int hashCode()

Specified by:

hashCode in class Value

getObject

public java.lang.Object getObject()

Description copied from class: Value

Get the value as an object.

Specified by:

getObject in class Value

Returns:

the object

set

public void set(java.sql.PreparedStatement prep,
                int parameterIndex)
         throws java.sql.SQLException

Description copied from class: Value

Set the value as a parameter in a prepared statement.

Specified by:

set in class Value

Parameters:

prep - the prepared statement

parameterIndex - the parameter index

Throws:

java.sql.SQLException

get

public static ValueBoolean get(boolean b)

Get the boolean value for the given boolean.

Parameters:

b - the boolean

Returns:

the value

getDisplaySize

public int getDisplaySize()

Description copied from class: Value

Get the display size in characters.

Specified by:

getDisplaySize in class Value

Returns:

the display size

equals

public boolean equals(java.lang.Object other)

Description copied from class: Value

Check if the two values have the same hash code. No data conversion is made; this method returns false if the other object is not of the same class. For some values, compareTo may return 0 even if equals return false. Example: ValueDecimal 0.0 and 0.00.

Specified by:

equals in class Value

Parameters:

other - the other value

Returns:

true if they are equal