org.datanucleus.store.rdbms.sql.expression
Class CollectionLiteral

java.lang.Object
  org.datanucleus.store.rdbms.sql.expression.SQLExpression
      org.datanucleus.store.rdbms.sql.expression.CollectionExpression
          org.datanucleus.store.rdbms.sql.expression.CollectionLiteral

All Implemented Interfaces:

SQLLiteral

public class CollectionLiteral
extends CollectionExpression
implements SQLLiteral

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

Nested Class Summary

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

isParameter, LOCALISER, lowestOperator, mapping, st, stmt, subExprs, table

Constructor Summary

CollectionLiteral(SQLStatement stmt, org.datanucleus.store.mapped.mapping.JavaTypeMapping mapping, java.lang.Object value, boolean parameter)
Constructor for a collection literal with a value.

Method Summary

java.util.List<SQLExpression>	getElementExpressions()
java.lang.Object	getValue() Accessor to the literal value
void	setNotParameter() Method to set this literal as not being a parameter.
protected void	setStatement()

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

eq, invoke, ne

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

add, and, cast, checkForAndCorrectParameterComparison, com, div, encloseInParentheses, eor, ge, getJavaTypeMapping, getNumberOfSubExpressions, getSQLStatement, getSQLTable, gt, in, ior, is, isParameter, le, lt, mod, mul, neg, not, sub, toSQLText

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionLiteral

public CollectionLiteral(SQLStatement stmt,
                         org.datanucleus.store.mapped.mapping.JavaTypeMapping mapping,
                         java.lang.Object value,
                         boolean parameter)

Constructor for a collection literal with a value.

Parameters:

stmt - SQL statement

mapping - The mapping to the Collection

value - The transient Collection that is the value.

parameter - Whether this is treated as a parameter (JDBC "?")

Method Detail

getValue

public java.lang.Object getValue()

Description copied from interface: SQLLiteral

Accessor to the literal value

Specified by:

getValue in interface SQLLiteral

Returns:

the value of the literal

getElementExpressions

public java.util.List<SQLExpression> getElementExpressions()

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

setStatement

protected void setStatement()