org.datanucleus.store.rdbms.sql.expression

Class StringNumericExpression

java.lang.Object

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

org.datanucleus.store.rdbms.sql.expression.DelegatedExpression

org.datanucleus.store.rdbms.sql.expression.StringNumericExpression

public class StringNumericExpression
extends DelegatedExpression

Expression representing a field/property that can be stored as a String or as a Numeric. For example a java.lang.Enum can be represented using this. Delegates any operation to the same operation on the delegate.

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.DelegatedExpression

delegate

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

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

Constructor Summary

Constructors

Constructor and Description
StringNumericExpression(SQLStatement stmt, SQLTable table, JavaTypeMapping mapping) Constructor for an expression for a field/property that can be represented as String or numeric.

Method Summary

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

add, div, eq, ge, getDelegate, gt, invoke, isParameter, le, lt, mod, mul, ne, sub, toSQLText

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

and, bitAnd, bitOr, cast, com, distinct, encloseInParentheses, eor, getJavaTypeMapping, getLowestOperator, getNumberOfSubExpressions, getParameterName, getSQLStatement, getSQLTable, getSubExpression, in, ior, is, neg, not, setJavaTypeMapping

Methods inherited from class java.lang.Object

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

Constructor Detail

StringNumericExpression

public StringNumericExpression(SQLStatement stmt,
                               SQLTable table,
                               JavaTypeMapping mapping)

Constructor for an expression for a field/property that can be represented as String or numeric.

Parameters:

stmt - The SQL statement

table - Table

mapping - Mapping