org.jpox.store.expression
Class SqlTemporalExpression

java.lang.Object
  org.jpox.store.expression.ScalarExpression
      org.jpox.store.expression.SqlTemporalExpression

Direct Known Subclasses:

SqlDateLiteral, SqlTimeLiteral, SqlTimestampLiteral

public class SqlTemporalExpression
extends ScalarExpression

Representation of an expression with an SQL time type (SQLDate, SQLTime, SQLTimestamp)

Version:

$Revision: 1.10 $

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	SqlTemporalExpression(QueryExpression qs)
	SqlTemporalExpression(QueryExpression qs, JavaTypeMapping mapping, LogicSetExpression te)
	SqlTemporalExpression(ScalarExpression operand1, ScalarExpression.DyadicOperator op, ScalarExpression operand2) Performs a function on two arguments.
	SqlTemporalExpression(java.lang.String functionName, java.util.List args) Generates statement as e.g.

Method Summary

BooleanExpression	eq(ScalarExpression expr) Equality operator (equals to)
NumericExpression	getDayMethod() Method to return an expression for the day of the month (for this date).
NumericExpression	getHourMethod() Method to return an expression for the hour (for this time).
NumericExpression	getMinuteMethod() Method to return an expression for the minute (for this time).
NumericExpression	getMonthMethod() Method to return an expression for the month (for this date).
NumericExpression	getSecondMethod() Method to return an expression for the second (for this time).
NumericExpression	getYearMethod() Method to return an expression for the year (for this date).
BooleanExpression	gt(ScalarExpression expr) Relational operator (greater than)
BooleanExpression	gteq(ScalarExpression expr) Relational operator (greater than or equals)
BooleanExpression	in(ScalarExpression expr) In expression.
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.ScalarExpression

accessField, add, 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

SqlTemporalExpression

protected SqlTemporalExpression(QueryExpression qs)

SqlTemporalExpression

public SqlTemporalExpression(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

SqlTemporalExpression

public SqlTemporalExpression(java.lang.String functionName,
                             java.util.List args)

Generates statement as e.g. FUNCTION_NAME(arg[,argN])

Parameters:

functionName -

args - ScalarExpression list

SqlTemporalExpression

public SqlTemporalExpression(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 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

lt

public BooleanExpression lt(ScalarExpression expr)

Description copied from class: ScalarExpression

Relational operator (lower than)

Overrides:

lt in class ScalarExpression

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 ScalarExpression

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 ScalarExpression

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 ScalarExpression

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.

in

public BooleanExpression in(ScalarExpression expr)

Description copied from class: ScalarExpression

In expression. Return true if this is contained by expr

Overrides:

in in class ScalarExpression

Parameters:

expr - the right-hand expression

Returns:

true if the left-hand expression is contained by the right-hand expression. Otherwise the result is false.

getDayMethod

public NumericExpression getDayMethod()

Method to return an expression for the day of the month (for this date).

Returns:

The expression for the day of the month.

getMonthMethod

public NumericExpression getMonthMethod()

Method to return an expression for the month (for this date).

Returns:

The expression for the month.

getYearMethod

public NumericExpression getYearMethod()

Method to return an expression for the year (for this date).

Returns:

The expression for the year.

getHourMethod

public NumericExpression getHourMethod()

Method to return an expression for the hour (for this time).

Returns:

The expression for the hour.

getMinuteMethod

public NumericExpression getMinuteMethod()

Method to return an expression for the minute (for this time).

Returns:

The expression for the month.

getSecondMethod

public NumericExpression getSecondMethod()

Method to return an expression for the second (for this time).

Returns:

The expression for the second.