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java.lang.Objectnet.jini.constraint.BasicMethodConstraints.MethodDesc
public static final class BasicMethodConstraints.MethodDesc
Descriptor for specifying the constraints associated with one or more methods allowing limited wildcard matching on method names and parameter types. Methods can be specified by exact name and parameter types (matching a single method), by exact name (matching all methods with that name), by name prefix (matching all methods with names that start with that prefix), by name suffix (matching all methods with names that end with that suffix), and by a default that matches all methods.
Field Summary | |
---|---|
(package private) InvocationConstraints |
constraints
The non-empty constraints for the specified method or methods, or null if there are no constraints. |
(package private) String |
name
The name of the method, with prefix or suffix '*' permitted if types is null , or null
for a descriptor that matches all methods (in which case
types must also be null . |
private static ObjectStreamField[] |
serialPersistentFields
|
private static long |
serialVersionUID
|
(package private) Class[] |
types
The formal parameter types of the method, in declared order, or null for wildcard parameter types. |
Constructor Summary | |
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BasicMethodConstraints.MethodDesc(InvocationConstraints constraints)
Creates a default descriptor that matches all methods. |
|
BasicMethodConstraints.MethodDesc(String name,
Class[] types,
InvocationConstraints constraints)
Creates a descriptor that only matches methods with exactly the specified name and parameter types. |
|
BasicMethodConstraints.MethodDesc(String name,
InvocationConstraints constraints)
Creates a descriptor that matches all methods with names that equal the specified name or that match the specified pattern, regardless of their parameter types. |
Method Summary | |
---|---|
private void |
check()
Verifies that the name is a syntactically valid method name, or (if types is null) if the name is a syntactically valid method name with a '*' appended or could be constructed from some syntactically valid method name containing more than two characters by replacing the first character of that name with '*', and verifies that none of the elements of types are null. |
boolean |
equals(Object obj)
Two instances of this class are equal if they have the same name, the same parameter types, and the same constraints. |
InvocationConstraints |
getConstraints()
Returns the constraints as a non- null value. |
String |
getName()
Returns the name of the method, with a prefix or suffix '*' if the name is a pattern, or null if this descriptor matches
all methods. |
Class[] |
getParameterTypes()
Returns the parameter types, or null if this
descriptor matches all parameter types or all methods. |
int |
hashCode()
Returns a hash code value for this object. |
private void |
readObject(ObjectInputStream s)
Verifies that the method name, parameter types, and constraints are valid. |
String |
toString()
Returns a string representation of this object. |
(package private) void |
toString(StringBuffer buf,
boolean includeConstraints)
Appends a string representation of this object to the buffer. |
Methods inherited from class java.lang.Object |
---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Field Detail |
---|
private static final long serialVersionUID
private static final ObjectStreamField[] serialPersistentFields
final String name
types
is null
, or null
for a descriptor that matches all methods (in which case
types
must also be null
.
final Class[] types
null
for wildcard parameter types.
final InvocationConstraints constraints
null
if there are no constraints.
Constructor Detail |
---|
public BasicMethodConstraints.MethodDesc(String name, Class[] types, InvocationConstraints constraints)
null
, which is treated the same as an empty
instance. The array passed to the constructor is neither modified
nor retained; subsequent changes to that array have no effect on
the instance created.
name
- the name of the methodtypes
- the formal parameter types of the method, in declared
orderconstraints
- the constraints, or null
NullPointerException
- if name
or
types
is null
or any element of
types
is null
IllegalArgumentException
- if name
is not a
syntactically valid method namepublic BasicMethodConstraints.MethodDesc(String name, InvocationConstraints constraints)
null
, which is treated the same as an empty instance.
name
- the name of the method, with a prefix or suffix '*'
permitted for pattern matchingconstraints
- the constraints, or null
NullPointerException
- if name
is
null
IllegalArgumentException
- if name
does not
match any syntactically valid method namepublic BasicMethodConstraints.MethodDesc(InvocationConstraints constraints)
null
, which is treated the same as
an empty instance.
constraints
- the constraints, or null
Method Detail |
---|
private void check()
public String getName()
null
if this descriptor matches
all methods.
null
if this descriptor matches
all methodspublic Class[] getParameterTypes()
null
if this
descriptor matches all parameter types or all methods. Returns a
new non-null
array every time it is called.
null
if this
descriptor matches all parameter types or all methodspublic InvocationConstraints getConstraints()
null
value.
null
valuepublic int hashCode()
hashCode
in class Object
public boolean equals(Object obj)
equals
in class Object
public String toString()
toString
in class Object
void toString(StringBuffer buf, boolean includeConstraints)
private void readObject(ObjectInputStream s) throws IOException, ClassNotFoundException
InvalidObjectException
- if types
is
non-null
and name
is either
null
or is not a syntactically valid method name;
or if types
is null
and name
is neither a syntactically valid method name, a syntactically
valid method name with a '*' appended, nor a name constructed from
some syntactically valid method name containing more than two
characters by replacing the first character of that name with '*';
or if any element of types
is null
; or
if constraints
is non-null
but empty
IOException
ClassNotFoundException
|
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