Package org.h2.value

Class ValueBoolean

java.lang.Object

org.h2.value.VersionedValue<Value>

org.h2.value.Value

org.h2.value.ValueBoolean

All Implemented Interfaces:

HasSQL, Typed

public final class ValueBoolean
extends Value

Implementation of the BOOLEAN data type.

Field Summary

Fields

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

Fields inherited from class org.h2.value.Value

ARRAY, ASSIGN_TO, BIGINT, BINARY, BLOB, BOOLEAN, CAST_TO, CHAR, CLOB, CONVERT_TO, DATE, DECFLOAT, DOUBLE, EMPTY_VALUES, ENUM, GEOMETRY, INTEGER, INTERVAL_DAY, INTERVAL_DAY_TO_HOUR, INTERVAL_DAY_TO_MINUTE, INTERVAL_DAY_TO_SECOND, INTERVAL_HOUR, INTERVAL_HOUR_TO_MINUTE, INTERVAL_HOUR_TO_SECOND, INTERVAL_MINUTE, INTERVAL_MINUTE_TO_SECOND, INTERVAL_MONTH, INTERVAL_SECOND, INTERVAL_YEAR, INTERVAL_YEAR_TO_MONTH, JAVA_OBJECT, JSON, MAX_LONG_DECIMAL, MIN_LONG_DECIMAL, NULL, NUMERIC, REAL, ROW, SMALLINT, TIME, TIME_TZ, TIMESTAMP, TIMESTAMP_TZ, TINYINT, TYPE_COUNT, UNKNOWN, UUID, VARBINARY, VARCHAR, VARCHAR_IGNORECASE

Fields inherited from interface org.h2.util.HasSQL

ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

Method Summary

Modifier and Type	Method	Description
int	compareTypeSafe(Value o, CompareMode mode, CastDataProvider provider)	Compare this value against another value given that the values are of the same data type.
boolean	equals(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.
BigDecimal	getBigDecimal()
boolean	getBoolean()	Returns this value as a Java boolean value.
byte	getByte()	Returns this value as a Java byte value.
double	getDouble()	Returns this value as a Java double value.
float	getFloat()	Returns this value as a Java float value.
int	getInt()	Returns this value as a Java int value.
long	getLong()	Returns this value as a Java long value.
int	getMemory()	Get the memory used by this object.
short	getShort()	Returns this value as a Java short value.
StringBuilder	getSQL(StringBuilder builder, int sqlFlags)	Appends the SQL statement of this object to the specified builder.
String	getString()	Get the value as a string.
TypeInfo	getType()	Returns the data type.
int	getValueType()	Get the value type.
int	hashCode()
Value	negate()	Return -value if this value support arithmetic operations.

Methods inherited from class org.h2.value.Value

add, castTo, charLength, clearCache, compareTo, compareWithNull, containsNull, convertForAssignTo, convertTo, convertTo, convertTo, convertTo, convertTo, convertToAnyArray, convertToAnyJson, convertToAnyRow, convertToBigint, convertToBoolean, convertToChar, convertToDate, convertToDouble, convertToEnum, convertToGeometry, convertToInt, convertToInt, convertToJavaObject, convertToJson, convertToLong, convertToReal, convertToSmallint, convertToTinyint, convertToUuid, divide, getBytes, getBytesNoCopy, getHigherOrder, getInputStream, getInputStream, getReader, getReader, getSignum, getTypeName, getUnsupportedExceptionForOperation, getValueWithFirstNull, isFalse, isTrue, modulus, multiply, octetLength, subtract, toString

Methods inherited from class org.h2.value.VersionedValue

getCommittedValue, getCurrentValue, getOperationId, isCommitted

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.h2.util.HasSQL

getSQL, getTraceSQL

Field Details

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 Details

getType

public TypeInfo getType()

Description copied from interface: Typed

Returns the data type.

Specified by:

getType in interface Typed

Specified by:

getType in class Value

Returns:

the data type

getValueType

public int getValueType()

Description copied from class: Value

Get the value type.

Specified by:

getValueType in class Value

Returns:

the value type

getMemory

public int getMemory()

Description copied from class: Value

Get the memory used by this object.

Overrides:

getMemory in class Value

Returns:

the memory used in bytes

getSQL

public StringBuilder getSQL(StringBuilder builder,
 int sqlFlags)

Description copied from interface: HasSQL

Appends the SQL statement of this object to the specified builder.

Parameters:

builder - string builder

sqlFlags - formatting flags

Returns:

the specified string builder

getString

public String getString()

Description copied from class: Value

Get the value as a string.

Specified by:

getString in class Value

Returns:

the string

getBoolean

public boolean getBoolean()

Description copied from class: Value

Returns this value as a Java boolean value.

Overrides:

getBoolean in class Value

Returns:

value

See Also:

• Value.isTrue()
• Value.isFalse()

getByte

public byte getByte()

Description copied from class: Value

Returns this value as a Java byte value.

Overrides:

getByte in class Value

Returns:

value

getShort

public short getShort()

Description copied from class: Value

Returns this value as a Java short value.

Overrides:

getShort in class Value

Returns:

value

getInt

public int getInt()

Description copied from class: Value

Returns this value as a Java int value.

Overrides:

getInt in class Value

Returns:

value

getLong

public long getLong()

Description copied from class: Value

Returns this value as a Java long value.

Overrides:

getLong in class Value

Returns:

value

getBigDecimal

public BigDecimal getBigDecimal()

Overrides:

getBigDecimal in class Value

getFloat

public float getFloat()

Description copied from class: Value

Returns this value as a Java float value.

Overrides:

getFloat in class Value

Returns:

value

getDouble

public double getDouble()

Description copied from class: Value

Returns this value as a Java double value.

Overrides:

getDouble in class Value

Returns:

value

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

compareTypeSafe

public int compareTypeSafe(Value o,
 CompareMode mode,
 CastDataProvider provider)

Description copied from class: Value

Compare this value against another value given that the values are of the same data type.

Specified by:

compareTypeSafe in class Value

Parameters:

o - the other value

mode - the compare mode

provider - the cast information provider

Returns:

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

hashCode

public int hashCode()

Specified by:

hashCode in class Value

get

public static ValueBoolean get(boolean b)

Get the boolean value for the given boolean.

Parameters:

b - the boolean

Returns:

the value

equals

public boolean equals(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