org.jpox.store.expression
Class ByteExpression

java.lang.Object
  org.jpox.store.expression.ScalarExpression
      org.jpox.store.expression.NumericExpression
          org.jpox.store.expression.ByteExpression

public class ByteExpression
extends NumericExpression

Representation of a Byte expression in a Query.

Version:

$Revision: 1.9 $

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

protected	ByteExpression(QueryExpression qs) Constructor
	ByteExpression(QueryExpression qs, JavaTypeMapping mapping, LogicSetExpression te)
	ByteExpression(ScalarExpression.MonadicOperator op, ScalarExpression operand) Perform a function op on operand
	ByteExpression(ScalarExpression operand1, ScalarExpression.DyadicOperator op, ScalarExpression operand2) Performs a function on two arguments.

Method Summary

BooleanExpression	eq(ScalarExpression expr) Equality operator (equals to)
BooleanExpression	gt(ScalarExpression expr) Relational operator (greater than)
BooleanExpression	gteq(ScalarExpression expr) Relational operator (greater than or equals)
BooleanExpression	lt(ScalarExpression expr) Relational operator (lower than)
BooleanExpression	lteq(ScalarExpression expr) Relational operator (lower than or equals)
BooleanExpression	noteq(ScalarExpression expr) Equality operator (not equals to)

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

add, com, div, in, mod, mul, neg, sub

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

accessField, and, as, callMethod, cast, encloseWithInParentheses, eor, equals, getAlias, getExpressionList, getLogicSetExpression, getMapping, getNonAliasExpression, getQueryExpression, instanceOf, ior, not, toStatementText, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ByteExpression

protected ByteExpression(QueryExpression qs)

Constructor

Parameters:

qs - the QueryExpression

ByteExpression

public ByteExpression(QueryExpression qs,
                      JavaTypeMapping mapping,
                      LogicSetExpression te)

Parameters:

qs - the QueryExpression

mapping - the mapping associated to this expression

te - the TableExpression where this expression refers to

ByteExpression

public ByteExpression(ScalarExpression.MonadicOperator op,
                      ScalarExpression operand)

Perform a function op on operand

Parameters:

op - operator

operand - operand

ByteExpression

public ByteExpression(ScalarExpression operand1,
                      ScalarExpression.DyadicOperator op,
                      ScalarExpression operand2)

Performs a function on two arguments. op(operand1,operand2) operand1 op operand2

Parameters:

operand1 - the first expression

op - the operator between operands

operand2 - the second expression

Method Detail

eq

public BooleanExpression eq(ScalarExpression expr)

Description copied from class: ScalarExpression

Equality operator (equals to)

Overrides:

eq in class NumericExpression

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 NumericExpression

Parameters:

expr - the right-hand operand

Returns:

The type of an equality expression is a boolean

lt

public BooleanExpression lt(ScalarExpression expr)

Description copied from class: ScalarExpression

Relational operator (lower than)

Overrides:

lt in class NumericExpression

Parameters:

expr - the right-hand operand

Returns:

true if the value of the left-hand operand is less than the value of the right-hand operand, and otherwise is false.

lteq

public BooleanExpression lteq(ScalarExpression expr)

Description copied from class: ScalarExpression

Relational operator (lower than or equals)

Overrides:

lteq in class NumericExpression

Parameters:

expr - the right-hand operand

Returns:

true if the value of the left-hand operand is less than or equal to the value of the right-hand operand, and otherwise is false.

gt

public BooleanExpression gt(ScalarExpression expr)

Description copied from class: ScalarExpression

Relational operator (greater than)

Overrides:

gt in class NumericExpression

Parameters:

expr - the right-hand operand

Returns:

true if the value of the left-hand operand is greater than the value of the right-hand operand, and otherwise is false.

gteq

public BooleanExpression gteq(ScalarExpression expr)

Description copied from class: ScalarExpression

Relational operator (greater than or equals)

Overrides:

gteq in class NumericExpression

Parameters:

expr - the right-hand operand

Returns:

true if the value of the left-hand operand is greater than or equal the value of the right-hand operand, and otherwise is false.