javax.management
Class Query

java.lang.Object
  javax.management.Query

public class Query

extends java.lang.Object

This class is a factory for constructing queries.

REVIEW: Full explanation. See the spec for now for what it's worth.

DIV

public static final int DIV

Divide expression

See Also:

Constant Field Values (src)

EQ

public static final int EQ

Equals expression

See Also:

Constant Field Values (src)

GE

public static final int GE

Greater than or equals expression

See Also:

Constant Field Values (src)

GT

public static final int GT

Greater than expression

See Also:

Constant Field Values (src)

LE

public static final int LE

Less than or equals expression

See Also:

Constant Field Values (src)

LT

public static final int LT

Less than expression

See Also:

Constant Field Values (src)

MINUS

public static final int MINUS

Minus expression

See Also:

Constant Field Values (src)

PLUS

public static final int PLUS

Plus expression

See Also:

Constant Field Values (src)

TIMES

public static final int TIMES

Times expression

See Also:

Constant Field Values (src)

Query

public Query()

Construct a new Query

and

public static QueryExp (src)  and(QueryExp (src)  first,
                           QueryExp (src)  second)

And Query expression. Return true only when both expressions are true.

Parameters:

first - the first expression

second - the second expression

Returns:

the expression

anySubString

public static QueryExp (src)  anySubString(AttributeValueExp (src)  attr,
                                    StringValueExp (src)  string)

Tests an attribute contains a string as a subset. Return true when this is the case, false otherwise.

Parameters:

attr - the attribute

string - the string

Returns:

the expression

attr

public static AttributeValueExp (src)  attr(java.lang.String value)

An attribute expression

Parameters:

value - the name of the attribute

Returns:

the expression

attr

public static AttributeValueExp (src)  attr(java.lang.String className,
                                     java.lang.String value)

An attribute expression restricted to a specific class

Parameters:

className - the name of the class

value - the name of the attribute

Returns:

the expression

between

public static QueryExp (src)  between(ValueExp (src)  test,
                               ValueExp (src)  lower,
                               ValueExp (src)  higher)

Tests a value is between two other values. Returns true when this is case, false otherwise.

Parameters:

test - the value to test

lower - the lower bound

higher - the higer bound

Returns:

the expression

classattr

public static AttributeValueExp (src)  classattr()

What is this?

Returns:

the expression

div

public static ValueExp (src)  div(ValueExp (src)  first,
                           ValueExp (src)  second)

An expression that divides the first expression by the second

Parameters:

first - the first expression

second - the second expression

Returns:

the expression

eq

public static QueryExp (src)  eq(ValueExp (src)  first,
                          ValueExp (src)  second)

Equals Comparison.

Parameters:

first - the first expression

second - the second expression

Returns:

true when first equals second

finalSubString

public static QueryExp (src)  finalSubString(AttributeValueExp (src)  attr,
                                      StringValueExp (src)  string)

Tests an attribute ends with a string as a subset. Return true when this is the case, false otherwise.

Parameters:

attr - the attribute

string - the string

Returns:

the expression

geq

public static QueryExp (src)  geq(ValueExp (src)  first,
                           ValueExp (src)  second)

Greater than or Equals Comparison.

Parameters:

first - the first expression

second - the second expression

Returns:

true when first >= second

gt

public static QueryExp (src)  gt(ValueExp (src)  first,
                          ValueExp (src)  second)

Greater than.

Parameters:

first - the first expression

second - the second expression

Returns:

true when first > second

in

public static QueryExp (src)  in(ValueExp (src)  test,
                          ValueExp (src) [] list)

Tests a value is in one of the listed values. Returns true when this is case, false otherwise.

Parameters:

test - the value to test

list - an array of values

Returns:

the expression

initialSubString

public static QueryExp (src)  initialSubString(AttributeValueExp (src)  attr,
                                        StringValueExp (src)  string)

Tests an attribute starts with a string as a subset. Return true when this is the case, false otherwise.

Parameters:

attr - the attribute

string - the string

Returns:

the expression

leq

public static QueryExp (src)  leq(ValueExp (src)  first,
                           ValueExp (src)  second)

Less than or equal.

Parameters:

first - the first expression

second - the second expression

Returns:

true when first <= second

lt

public static QueryExp (src)  lt(ValueExp (src)  first,
                          ValueExp (src)  second)

Less than.

Parameters:

first - the first expression

second - the second expression

Returns:

true when first < second

match

public static QueryExp (src)  match(AttributeValueExp (src)  attr,
                             StringValueExp (src)  string)

Tests an attribute equals a string value. Return true when this is the case, false otherwise.

Parameters:

attr - the attribute

string - the string

Returns:

the expression

minus

public static ValueExp (src)  minus(ValueExp (src)  first,
                             ValueExp (src)  second)

An expression that subtracts the second expression from the first

Parameters:

first - the first expression

second - the second expression

Returns:

the expression

not

public static QueryExp (src)  not(QueryExp (src)  expression)

Not Query expression. Return true only when expression is false.

Parameters:

expression - the expression to negate

Returns:

the expression

or

public static QueryExp (src)  or(QueryExp (src)  first,
                          QueryExp (src)  second)

Or Query expression. Return true when either expression is true.

Parameters:

first - the first expression

second - the second expression

Returns:

the expression

plus

public static ValueExp (src)  plus(ValueExp (src)  first,
                            ValueExp (src)  second)

An expression that adds the second expression to the first

Parameters:

first - the first expression

second - the second expression

Returns:

the expression

times

public static ValueExp (src)  times(ValueExp (src)  first,
                             ValueExp (src)  second)

An expression that multiplies the first expression by the second

Parameters:

first - the first expression

second - the second expression

Returns:

the expression

value

public static ValueExp (src)  value(boolean value)

Create a boolean value expression for use in a Query.

Returns:

the expression

value

public static ValueExp (src)  value(double value)

Create a double value expression for use in a Query.

Returns:

the expression

value

public static ValueExp (src)  value(float value)

Create a float value expression for use in a Query.

Returns:

the expression

value

public static ValueExp (src)  value(int value)

Create an integer value expression for use in a Query.

Returns:

the expression

value

public static ValueExp (src)  value(long value)

Create a long value expression for use in a Query.

Returns:

the expression

value

public static ValueExp (src)  value(java.lang.Number value)

Create a number value expression for use in a Query.

Returns:

the expression

value

public static StringValueExp (src)  value(java.lang.String value)

Create a string value expression for use in a Query.

Returns:

the expression