org.jpox.store.expression
Class ConcatOperatorExpression

java.lang.Object
  org.jpox.store.expression.ScalarExpression
      org.jpox.store.expression.StringExpression
          org.jpox.store.expression.ConcatOperatorExpression

public class ConcatOperatorExpression
extends StringExpression

Concatenate two expressions. This implements the SQL standard concatenation operator. e.g. EXPR1 || EXPR2

Version:

$Revision: 1.8 $

Nested Class Summary

Nested classes/interfaces inherited from class org.jpox.store.expression.ScalarExpression

ScalarExpression.DyadicOperator, ScalarExpression.ExpressionList, ScalarExpression.FieldExpression, ScalarExpression.IllegalArgumentTypeException, ScalarExpression.IllegalOperationException, ScalarExpression.MethodInvocationException, ScalarExpression.MonadicOperator, ScalarExpression.Operator

Field Summary

Fields inherited from class org.jpox.store.expression.ScalarExpression

aliasIdentifier, expressionList, FILTER, LOCALISER, lowestOperator, mapping, OP_ADD, OP_AND, OP_BETWEEN, OP_COM, OP_CONCAT, OP_DIV, OP_EQ, OP_GT, OP_GTEQ, OP_IN, OP_IS, OP_ISNOT, OP_LIKE, OP_LT, OP_LTEQ, OP_MOD, OP_MUL, OP_NEG, OP_NOT, OP_NOTEQ, OP_OR, OP_SUB, PROJECTION, qs, st, te

Constructor Summary

ConcatOperatorExpression(ScalarExpression operand1, ScalarExpression operand2)
Performs a concatenation on two operands.

Method Summary

Methods inherited from class org.jpox.store.expression.StringExpression

add, charAtMethod, endsWithMethod, eq, equalsMethod, gt, gteq, in, indexOfMethod, indexOfMethod, lengthMethod, lt, lteq, matchesMethod, noteq, startsWithMethod, startsWithMethod, substringMethod, substringMethod, toLowerCaseMethod, toUpperCaseMethod, trimMethod

Methods inherited from class org.jpox.store.expression.ScalarExpression

accessField, and, as, callMethod, cast, com, div, encloseWithInParentheses, eor, equals, getAlias, getExpressionList, getLogicSetExpression, getMapping, getNonAliasExpression, getQueryExpression, instanceOf, ior, mod, mul, neg, not, sub, toStatementText, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ConcatOperatorExpression

public ConcatOperatorExpression(ScalarExpression operand1,
                                ScalarExpression operand2)

Performs a concatenation on two operands. op(operand1,operand2) operand1 op operand2

Parameters:

operand1 - the left-hand expression

operand2 - the right-hand expression