Uses of Interface
org.apache.activemq.filter.Expression

Packages that use Expression

Package	Description
org.apache.activemq.command	Command objects used via the Command Pattern to communicate among nodes
org.apache.activemq.filter	Filter implementations for wildcards & JMS selectors
org.apache.activemq.selector	JMS Selector implemetnation

Uses of Expression in org.apache.activemq.command

Classes in org.apache.activemq.command that implement Expression

Modifier and Type	Class	Description
class	NetworkBridgeFilter

Uses of Expression in org.apache.activemq.filter

Subinterfaces of Expression in org.apache.activemq.filter

Modifier and Type	Interface	Description
interface	BooleanExpression	A BooleanExpression is an expression that always produces a Boolean result.

Classes in org.apache.activemq.filter that implement Expression

Modifier and Type	Class	Description
class	ArithmeticExpression	An expression which performs an operation on two expression values
class	BinaryExpression	An expression which performs an operation on two expression values.
class	BooleanFunctionCallExpr	Function call expression that evaluates to a boolean value.
class	ComparisonExpression	A filter performing a comparison of two objects
class	CompositeDestinationFilter	A DestinationFilter used for composite destinations
class	ConstantExpression	Represents a constant expression
class	DestinationFilter	Represents a filter which only operates on Destinations
class	FunctionCallExpression	Function call expression for use in selector expressions.
class	LogicExpression	A filter performing a comparison of two objects
class	MultiExpressionEvaluator.CacheExpression	A UnaryExpression that caches the result of the nested expression.
class	NoLocalExpression
class	PrefixDestinationFilter	Matches messages which match a prefix like "A.B.>"
class	PropertyExpression	Represents a property expression
class	SimpleDestinationFilter	Matches messages sent to an exact destination
class	UnaryExpression	An expression which performs an operation on two expression values
class	WildcardDestinationFilter	Matches messages which contain wildcards like "A.B.*.*"
class	XPathExpression	Used to evaluate an XPath Expression in a JMS selector.
class	XQueryExpression	Used to evaluate an XQuery Expression in a JMS selector.

Fields in org.apache.activemq.filter declared as Expression

Modifier and Type	Field	Description
protected Expression	BinaryExpression.left
protected Expression	BinaryExpression.right
protected Expression	UnaryExpression.right

Methods in org.apache.activemq.filter that return Expression

Modifier and Type	Method	Description
static Expression	ArithmeticExpression.createDivide(Expression left, Expression right)
static Expression	ArithmeticExpression.createMinus(Expression left, Expression right)
static Expression	ArithmeticExpression.createMod(Expression left, Expression right)
static Expression	ArithmeticExpression.createMultiply(Expression left, Expression right)
static Expression	UnaryExpression.createNegate(Expression left)
static Expression	ArithmeticExpression.createPlus(Expression left, Expression right)
Expression	FunctionCallExpression.getArgument(int which)	Retrieve the argument at the specified index; the first argument is index 0.
Expression	BinaryExpression.getLeft()
Expression	BinaryExpression.getRight()
Expression	UnaryExpression.getRight()

Methods in org.apache.activemq.filter with parameters of type Expression

Modifier and Type	Method	Description
void	MultiExpressionEvaluator.addExpressionListner(Expression selector, org.apache.activemq.filter.MultiExpressionEvaluator.ExpressionListener c)	Adds an ExpressionListener to a given expression.
static void	ComparisonExpression.checkEqualOperand(Expression expr)	Validates that the expression can be used in == or <> expression.
static void	ComparisonExpression.checkLessThanOperand(Expression expr)	Only Numeric expressions can be used in >, >=, < or <= expressions.s
static BooleanExpression	ComparisonExpression.createBetween(Expression value, Expression left, Expression right)
static BooleanExpression	UnaryExpression.createBooleanCast(Expression left)
static Expression	ArithmeticExpression.createDivide(Expression left, Expression right)
static BooleanExpression	ComparisonExpression.createEqual(Expression left, Expression right)
static BooleanExpression	ComparisonExpression.createGreaterThan(Expression left, Expression right)
static BooleanExpression	ComparisonExpression.createGreaterThanEqual(Expression left, Expression right)
static BooleanExpression	ComparisonExpression.createInFilter(Expression left, List elements)
static BooleanExpression	ComparisonExpression.createIsNotNull(Expression left)
static BooleanExpression	ComparisonExpression.createIsNull(Expression left)
static BooleanExpression	ComparisonExpression.createLessThan(Expression left, Expression right)
static BooleanExpression	ComparisonExpression.createLessThanEqual(Expression left, Expression right)
static BooleanExpression	ComparisonExpression.createLike(Expression left, String right, String escape)
static Expression	ArithmeticExpression.createMinus(Expression left, Expression right)
static Expression	ArithmeticExpression.createMod(Expression left, Expression right)
static Expression	ArithmeticExpression.createMultiply(Expression left, Expression right)
static Expression	UnaryExpression.createNegate(Expression left)
static BooleanExpression	ComparisonExpression.createNotBetween(Expression value, Expression left, Expression right)
static BooleanExpression	ComparisonExpression.createNotEqual(Expression left, Expression right)
static BooleanExpression	ComparisonExpression.createNotInFilter(Expression left, List elements)
static BooleanExpression	ComparisonExpression.createNotLike(Expression left, String right, String escape)
static Expression	ArithmeticExpression.createPlus(Expression left, Expression right)
void	BinaryExpression.setLeft(Expression expression)
void	BinaryExpression.setRight(Expression expression)
void	UnaryExpression.setRight(Expression expression)

Method parameters in org.apache.activemq.filter with type arguments of type Expression

Modifier and Type	Method	Description
static FunctionCallExpression	FunctionCallExpression.createFunctionCall(String func_name, List<Expression> args)	Create a function call expression for the named function and argument list, returning a Boolean function call expression if the function returns a boolean value so that it may be used in boolean contexts.

Constructors in org.apache.activemq.filter with parameters of type Expression

Constructor	Description
ArithmeticExpression(Expression left, Expression right)
BinaryExpression(Expression left, Expression right)
CacheExpression(Expression realExpression)
ComparisonExpression(Expression left, Expression right)
UnaryExpression(Expression left)

Constructor parameters in org.apache.activemq.filter with type arguments of type Expression

Constructor	Description
BooleanFunctionCallExpr(String func_name, List<Expression> args)	Constructs a function call expression with the named filter function and arguments, which returns a boolean result.
FunctionCallExpression(String func_name, List<Expression> args)	Constructs a function call expression with the named function and argument list.

Uses of Expression in org.apache.activemq.selector

Methods in org.apache.activemq.selector that return Expression

Modifier and Type	Method	Description
Expression	SelectorParser.addExpression()
Expression	SelectorParser.andExpression()
Expression	SelectorParser.comparisonExpression()
Expression	SelectorParser.equalityExpression()
Expression	SelectorParser.functionCallExpr()
Expression	SelectorParser.multExpr()
Expression	SelectorParser.orExpression()
Expression	SelectorParser.primaryExpr()
Expression	SelectorParser.unaryExpr()