Class ValueJson

java.lang.Object

org.h2.value.VersionedValue<Value>

org.h2.value.Value

org.h2.value.ValueJson

All Implemented Interfaces:

HasSQL, Typed

public final class ValueJson
extends Value

Implementation of the JSON data type.

Field Summary

Fields

Modifier and Type	Field	Description
static final ValueJson	FALSE	false JSON value.
static final ValueJson	NULL	null JSON value.
static final ValueJson	TRUE	true JSON value.
static final ValueJson	ZERO	0 JSON value.

Fields inherited from class Value

ARRAY, BIGINT, BINARY, BLOB, BOOLEAN, CHAR, CLOB, 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, MIN_LONG_DECIMAL, NUMERIC, REAL, ROW, SMALLINT, TIME, TIME_TZ, TIMESTAMP, TIMESTAMP_TZ, TINYINT, TYPE_COUNT, UNKNOWN, UUID, VARBINARY, VARCHAR, VARCHAR_IGNORECASE

Fields inherited from interface 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
final int	compareTypeSafe(Value v, CompareMode mode, CastDataProvider provider)	Compare this value against another value given that the values are of the same data type.
final boolean	equals(Object other)	Check if the two values have the same hash code.
static ValueJson	fromJson(byte[] bytes)	Returns JSON value with the specified content.
static ValueJson	fromJson(String s)	Returns JSON value with the specified content.
static ValueJson	get(boolean bool)	Returns JSON value with the specified boolean content.
static ValueJson	get(int number)	Returns JSON value with the specified numeric content.
static ValueJson	get(long number)	Returns JSON value with the specified numeric content.
static ValueJson	get(String string)	Returns JSON value with the specified string content.
static ValueJson	get(BigDecimal number)	Returns JSON value with the specified numeric content.
final byte[]	getBytes()
final byte[]	getBytesNoCopy()
static ValueJson	getInternal(byte[] bytes)	Returns JSON value with the specified content.
JSONItemType	getItemType()	Returns JSON item type.
int	getMemory()	Get the memory used by this object.
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.
final int	hashCode()

Methods inherited from class Value

add, castTo, charLength, clearCache, compareTo, compareWithNull, containsNull, convertForAssignTo, convertTo, convertTo, convertTo, convertTo, convertTo, convertToAnyArray, convertToAnyRow, convertToBigint, convertToBoolean, convertToChar, convertToDate, convertToDouble, convertToEnum, convertToGeometry, convertToInt, convertToInt, convertToJavaObject, convertToReal, convertToSmallint, convertToTinyint, convertToUuid, divide, getBigDecimal, getBoolean, getByte, getDouble, getFloat, getHigherOrder, getInputStream, getInputStream, getInt, getLong, getReader, getReader, getShort, getSignum, getTypeName, getUnsupportedExceptionForOperation, isFalse, isTrue, modulus, multiply, negate, octetLength, subtract, toString

Methods inherited from class VersionedValue

getCommittedValue, getCurrentValue, getOperationId, isCommitted

Methods inherited from class Object

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

Methods inherited from interface HasSQL

getSQL, getTraceSQL

Field Details

NULL

public static final ValueJson NULL

null JSON value.

TRUE

public static final ValueJson TRUE

true JSON value.

FALSE

public static final ValueJson FALSE

false JSON value.

ZERO

public static final ValueJson ZERO

0 JSON value.

Method Details

getSQL

public StringBuilder getSQL(StringBuilder builder,
 int sqlFlags)

Description copied from interface: HasSQL

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

Specified by:

getSQL in interface HasSQL

Parameters:

builder - string builder

sqlFlags - formatting flags

Returns:

the specified string builder

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

getString

public String getString()

Description copied from class: Value

Get the value as a string.

Specified by:

getString in class Value

Returns:

the string

getItemType

public JSONItemType getItemType()

Returns JSON item type.

Returns:

JSON item type

fromJson

public static ValueJson fromJson(String s)

Returns JSON value with the specified content.

Parameters:

s - JSON representation, will be normalized

Returns:

JSON value

Throws:

DbException - on invalid JSON

fromJson

public static ValueJson fromJson(byte[] bytes)

Returns JSON value with the specified content.

Parameters:

bytes - JSON representation, will be normalized

Returns:

JSON value

Throws:

DbException - on invalid JSON

get

public static ValueJson get(boolean bool)

Returns JSON value with the specified boolean content.

Parameters:

bool - boolean value

Returns:

JSON value

get

public static ValueJson get(int number)

Returns JSON value with the specified numeric content.

Parameters:

number - integer value

Returns:

JSON value

get

public static ValueJson get(long number)

Returns JSON value with the specified numeric content.

Parameters:

number - long value

Returns:

JSON value

get

public static ValueJson get(BigDecimal number)

Returns JSON value with the specified numeric content.

Parameters:

number - big decimal value

Returns:

JSON value

get

public static ValueJson get(String string)

Returns JSON value with the specified string content.

Parameters:

string - string value

Returns:

JSON value

getInternal

public static ValueJson getInternal(byte[] bytes)

Returns JSON value with the specified content.

Parameters:

bytes - normalized JSON representation

Returns:

JSON value

getBytes

public final byte[] getBytes()

Overrides:

getBytes in class Value

getBytesNoCopy

public final byte[] getBytesNoCopy()

Overrides:

getBytesNoCopy in class Value

compareTypeSafe

public final int compareTypeSafe(Value v,
 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:

v - 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 final int hashCode()

Specified by:

hashCode in class Value

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

equals

public final 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