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

java.lang.Object
  org.datanucleus.store.rdbms.sql.expression.SQLExpression
      org.datanucleus.store.rdbms.sql.expression.ArrayExpression

Direct Known Subclasses:

ArrayLiteral

public class ArrayExpression
extends SQLExpression

Representation of array expression.

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

protected

ArrayExpression(SQLStatement stmt, SQLTable table, org.datanucleus.store.mapped.mapping.JavaTypeMapping mapping) Constructor for an SQL expression for a (field) mapping in a specified table.

Method Summary

BooleanExpression	eq(SQLExpression expr) Equality operator (equals to)
SQLExpression	invoke(java.lang.String methodName, java.util.List args) Invocation of a method on this expression.
BooleanExpression	ne(SQLExpression expr) Not equality operator (not equals to)

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

ArrayExpression

protected ArrayExpression(SQLStatement stmt,
                          SQLTable table,
                          org.datanucleus.store.mapped.mapping.JavaTypeMapping mapping)

Constructor for an SQL expression for a (field) mapping in a specified table.

Parameters:

stmt - The statement

table - The table in the statement

mapping - The mapping for the field

Method Detail

invoke

public SQLExpression invoke(java.lang.String methodName,
                            java.util.List args)

Description copied from class: SQLExpression

Invocation of a method on this expression.

Overrides:

invoke in class SQLExpression

Parameters:

methodName - name of the method to invoke

args - Args to this method (if any)

Returns:

the converted value

eq

public BooleanExpression eq(SQLExpression expr)

Description copied from class: SQLExpression

Equality operator (equals to)

Overrides:

eq in class SQLExpression

Parameters:

expr - the right-hand operand

Returns:

The type of an equality expression is a boolean

ne

public BooleanExpression ne(SQLExpression expr)

Description copied from class: SQLExpression

Not equality operator (not equals to)

Overrides:

ne in class SQLExpression

Parameters:

expr - the right-hand operand

Returns:

The type of an equality expression is a boolean