org.jpox.store.mapped.expression
Class ScalarExpression.DatastoreFieldExpression

java.lang.Object
  org.jpox.store.mapped.expression.ScalarExpression
      org.jpox.store.mapped.expression.ScalarExpression.DatastoreFieldExpression

Enclosing class:

ScalarExpression

public static class ScalarExpression.DatastoreFieldExpression
extends ScalarExpression

A field expression represents a storage location for the value with an associated type

Nested Class Summary

Nested classes/interfaces inherited from class org.jpox.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.jpox.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

ScalarExpression.DatastoreFieldExpression(QueryExpression qs, DatastoreField field, LogicSetExpression te)

Method Summary

BooleanExpression	eq(ScalarExpression expr) Equality operator (equals to)
boolean	equals(java.lang.Object o) Equality operator providing a simple comparison of expressions.
int	hashCode()
BooleanExpression	noteq(ScalarExpression expr) Equality operator (not equals to)
java.lang.String	toString()

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

accessField, add, and, as, assertValidTypeForParameterComparison, callMethod, cast, checkForTypeAssignability, com, div, encloseWithInParentheses, eor, getAlias, getConsistentTypeForParameterComparison, getExpressionList, getLogicSetExpression, getMapping, getNonAliasExpression, getParameterName, getQueryExpression, gt, gteq, in, instanceOf, ior, isParameter, lt, lteq, mod, mul, neg, not, setParameterName, sub, toStatementText

Methods inherited from class java.lang.Object

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

Constructor Detail

ScalarExpression.DatastoreFieldExpression

public ScalarExpression.DatastoreFieldExpression(QueryExpression qs,
                                                 DatastoreField field,
                                                 LogicSetExpression te)

Parameters:

qs -

field -

te -

Method Detail

eq

public BooleanExpression eq(ScalarExpression expr)

Description copied from class: ScalarExpression

Equality operator (equals to)

Overrides:

eq in class ScalarExpression

Parameters:

expr - the right-hand operand

Returns:

The type of an equality expression is a boolean

noteq

public BooleanExpression noteq(ScalarExpression expr)

Description copied from class: ScalarExpression

Equality operator (not equals to)

Overrides:

noteq in class ScalarExpression

Parameters:

expr - the right-hand operand

Returns:

The type of an equality expression is a boolean

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Description copied from class: ScalarExpression

Equality operator providing a simple comparison of expressions.

Overrides:

equals in class ScalarExpression

Parameters:

o - The other object

Returns:

Whether they are equal

toString

public java.lang.String toString()

Overrides:

toString in class ScalarExpression