org.datanucleus.store.mapped.expression
Class LikeExpression

java.lang.Object
  org.datanucleus.store.mapped.expression.ScalarExpression
      org.datanucleus.store.mapped.expression.BooleanExpression
          org.datanucleus.store.mapped.expression.LikeExpression

public class LikeExpression
extends BooleanExpression

Expression for something being "like"/"not like" something else.

Nested Class Summary

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

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

Field Summary

Fields inherited from class org.datanucleus.store.mapped.expression.ScalarExpression

aliasIdentifier, checkForTypeAssignability, 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_NOTIN, OP_NOTLIKE, OP_OR, OP_SUB, parameterName, PROJECTION, qs, st, te

Constructor Summary

LikeExpression(ScalarExpression expr1, ScalarExpression.DyadicOperator op, ScalarExpression expr2)
Constructor for expr1 being LIKE expr2.

Method Summary

BooleanExpression

not() Method to return a boolean expression for expr1 NOT LIKE expr2.

Methods inherited from class org.datanucleus.store.mapped.expression.BooleanExpression

and, eor, eq, in, ior, neg, noteq

Methods inherited from class org.datanucleus.store.mapped.expression.ScalarExpression

accessField, add, as, assertValidTypeForParameterComparison, callMethod, cast, checkForTypeAssignability, com, div, encloseWithInParentheses, equals, getAlias, getConsistentTypeForParameterComparison, getExpressionList, getLogicSetExpression, getMapping, getNonAliasExpression, getQueryExpression, gt, gteq, instanceOf, lt, lteq, mod, mul, setParameterName, sub, toStatementText, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

LikeExpression

public LikeExpression(ScalarExpression expr1,
                      ScalarExpression.DyadicOperator op,
                      ScalarExpression expr2)

Constructor for expr1 being LIKE expr2.

Parameters:

op - the operator (OP_LIKE, OP_NOTLIKE)

expr1 - the expression being contained

expr2 - the expression that contains

Method Detail

not

public BooleanExpression not()

Method to return a boolean expression for expr1 NOT LIKE expr2.

Overrides:

not in class BooleanExpression

Returns:

The boolean expression for NOT LIKE