org.datanucleus.store.rdbms.sql.expression

Class MapLiteral

java.lang.Object

org.datanucleus.store.rdbms.sql.expression.SQLExpression

org.datanucleus.store.rdbms.sql.expression.MapExpression

org.datanucleus.store.rdbms.sql.expression.MapLiteral

All Implemented Interfaces:

SQLLiteral

public class MapLiteral
extends MapExpression
implements SQLLiteral

An SQL expression that will test if a column of a table falls within the given Map. This is used for queries where a Map is passed in as a parameter.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MapLiteral.MapKeyLiteral An SQL expression that will test if a column of a table falls within the given Map's keys.
static class	MapLiteral.MapValueLiteral An SQL expression that will test if a column of a table falls within the given Map's values.

Nested classes/interfaces inherited from class org.datanucleus.store.rdbms.sql.expression.SQLExpression

SQLExpression.ColumnExpressionList

Field Summary

Fields inherited from class org.datanucleus.store.rdbms.sql.expression.SQLExpression

lowestOperator, mapping, parameterName, st, stmt, subExprs, table

Constructor Summary

Constructors

Constructor and Description
MapLiteral(SQLStatement stmt, JavaTypeMapping mapping, Object value, String parameterName) Constructor for a map literal with a value.

Method Summary

Modifier and Type	Method and Description
MapLiteral.MapKeyLiteral	getKeyLiteral()
Object	getValue() Accessor to the literal value
MapLiteral.MapValueLiteral	getValueLiteral()
void	setNotParameter() Method to set this literal as not being a parameter.

Methods inherited from class org.datanucleus.store.rdbms.sql.expression.MapExpression

eq, getAliasForMapTable, invoke, ne, setAliasForMapTable

Methods inherited from class org.datanucleus.store.rdbms.sql.expression.SQLExpression

add, and, bitAnd, bitOr, cast, com, distinct, div, encloseInParentheses, eor, ge, getJavaTypeMapping, getLowestOperator, getNumberOfSubExpressions, getParameterName, getSQLStatement, getSQLTable, getSubExpression, gt, in, ior, is, isParameter, le, lt, mod, mul, neg, not, setJavaTypeMapping, sub, toSQLText

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MapLiteral

public MapLiteral(SQLStatement stmt,
                  JavaTypeMapping mapping,
                  Object value,
                  String parameterName)

Constructor for a map literal with a value.

Parameters:

stmt - The SQLStatement the MapLiteral will be used in.

mapping - The mapping to the Map

value - The Map that is the value.

parameterName - Name of the parameter that this represents if any (JDBC "?")

Method Detail

getValue

public Object getValue()

Description copied from interface: SQLLiteral

Accessor to the literal value

Specified by:

getValue in interface SQLLiteral

Returns:

the value of the literal

getKeyLiteral

public MapLiteral.MapKeyLiteral getKeyLiteral()

getValueLiteral

public MapLiteral.MapValueLiteral getValueLiteral()

setNotParameter

public void setNotParameter()

Description copied from interface: SQLLiteral

Method to set this literal as not being a parameter. If the literal if not currently a parameter then does nothing. Updates any underlying SQL to have the value.

Specified by:

setNotParameter in interface SQLLiteral