Top Description Fields Constructors Methods
org.h2.expression.function

public final Class CryptFunction

extends FunctionN
Class Inheritance
Imports
org.h2.engine.SessionLocal, org.h2.expression.Expression, .TypedValueExpression, org.h2.message.DbException, org.h2.security.BlockCipher, .CipherFactory, org.h2.util.MathUtils, .Utils, org.h2.value.DataType, .TypeInfo, .Value, .ValueVarbinary
An ENCRYPT or DECRYPT function.

Field Summary

Modifier and TypeField and Description
public static final int
DECRYPT

DECRYPT() (non-standard).

public static final int
ENCRYPT

ENCRYPT() (non-standard).

private final int
function

private static final String[]
NAMES

Constructor Summary

AccessConstructor and Description
public
CryptFunction(Expression arg1, Expression arg2, Expression arg3, int function)

Method Summary

Modifier and TypeMethod and Description
public String
getName()

Implements org.h2.expression.function.NamedExpression.getName.

Get the name.

private static byte[]
getPaddedArrayCopy(byte[] data, int blockSize)

public Value
getValue(SessionLocal
the session
session, Value
the value of first argument, or null
v1, Value
the value of second argument, or null
v2, Value
the value of third argument, or null
v3)

Overrides org.h2.expression.function.FunctionN.getValue.

Returns the value of this function.

public Expression
optimize(SessionLocal
the session
session)

Implements abstract org.h2.expression.Expression.optimize.

Try to optimize the expression.

Inherited from org.h2.expression.function.FunctionN:
getUnenclosedSQLgetValue

Field Detail

DECRYPTback to summary
public static final int DECRYPT

DECRYPT() (non-standard).

ENCRYPTback to summary
public static final int ENCRYPT

ENCRYPT() (non-standard).

functionback to summary
private final int function
NAMESback to summary
private static final String[] NAMES

Constructor Detail

CryptFunctionback to summary
public CryptFunction(Expression arg1, Expression arg2, Expression arg3, int function)

Method Detail

getNameback to summary
public String getName()

Implements org.h2.expression.function.NamedExpression.getName.

Doc from org.h2.expression.function.NamedExpression.getName.

Get the name.

Returns:String

the name in uppercase

Annotations
@Override
getPaddedArrayCopyback to summary
private static byte[] getPaddedArrayCopy(byte[] data, int blockSize)
getValueback to summary
public Value getValue(SessionLocal session, Value v1, Value v2, Value v3)

Overrides org.h2.expression.function.FunctionN.getValue.

Doc from org.h2.expression.function.FunctionN.getValue.

Returns the value of this function.

Parameters
session:SessionLocal

the session

v1:Value

the value of first argument, or null

v2:Value

the value of second argument, or null

v3:Value

the value of third argument, or null

Returns:Value

the resulting value

Annotations
@Override
optimizeback to summary
public Expression optimize(SessionLocal session)

Implements abstract org.h2.expression.Expression.optimize.

Doc from org.h2.expression.Expression.optimize.

Try to optimize the expression.

Parameters
session:SessionLocal

the session

Returns:Expression

the optimized expression

Annotations
@Override