Module litebridge.db.spi

Package org.litebridgedb.db.spi.expression

Class LiteralExpression

java.lang.Object

org.litebridgedb.db.spi.expression.LiteralExpression

All Implemented Interfaces:

SelectExpression

public class LiteralExpression
extends Object
implements SelectExpression

An encapsulated literal value in a query expression.

Constructor Summary

Constructors

Constructor	Description
LiteralExpression(@Nullable Object value)	Constructs a new LiteralExpression with the given value.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	hashCode()
String	toBindValueSql(Operation operation)
String	toSql(Operation operation)	Creates a SQL representation of the expression.
String	toString()
@Nullable Object	value()	Retrieves the value of this literal expression.

Methods inherited from class java.lang.Object

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

Constructor Details

LiteralExpression

public LiteralExpression(@Nullable Object value)

Constructs a new LiteralExpression with the given value.

Parameters:

value - the literal value to be represented

Method Details

value

public @Nullable Object value()

Retrieves the value of this literal expression.

Returns:

the literal value encapsulated by this expression

toSql

public String toSql(Operation operation)

Description copied from interface: SelectExpression

Creates a SQL representation of the expression.

Specified by:

toSql in interface SelectExpression

Parameters:

operation - the operation that is being executed

Returns:

the SQL representation of the expression

toBindValueSql

public String toBindValueSql(Operation operation)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object