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Java™ Platform
Standard Ed. 6

javax.management.openmbean
Interface OpenMBeanAttributeInfo

All Superinterfaces:
OpenMBeanParameterInfo
All Known Implementing Classes:
OpenMBeanAttributeInfoSupport

public interface OpenMBeanAttributeInfo
extends OpenMBeanParameterInfo

Describes an attribute of an open MBean.

This interface declares the same methods as the class MBeanAttributeInfo. A class implementing this interface (typically OpenMBeanAttributeInfoSupport) should extend MBeanAttributeInfo.

Since:
1.5

Method Summary
 boolean equals(Object obj)
          Compares the specified obj parameter with this OpenMBeanAttributeInfo instance for equality.
 int hashCode()
          Returns the hash code value for this OpenMBeanAttributeInfo instance.
 boolean isIs()
          Returns true if the attribute described by this OpenMBeanAttributeInfo instance is accessed through a isXXX getter (applies only to boolean and Boolean values), false otherwise.
 boolean isReadable()
          Returns true if the attribute described by this OpenMBeanAttributeInfo instance is readable, false otherwise.
 boolean isWritable()
          Returns true if the attribute described by this OpenMBeanAttributeInfo instance is writable, false otherwise.
 String toString()
          Returns a string representation of this OpenMBeanAttributeInfo instance.
 
Methods inherited from interface javax.management.openmbean.OpenMBeanParameterInfo
getDefaultValue, getDescription, getLegalValues, getMaxValue, getMinValue, getName, getOpenType, hasDefaultValue, hasLegalValues, hasMaxValue, hasMinValue, isValue
 

Method Detail

isReadable

boolean isReadable()
Returns true if the attribute described by this OpenMBeanAttributeInfo instance is readable, false otherwise.

Returns:
true if the attribute is readable.

isWritable

boolean isWritable()
Returns true if the attribute described by this OpenMBeanAttributeInfo instance is writable, false otherwise.

Returns:
true if the attribute is writable.

isIs

boolean isIs()
Returns true if the attribute described by this OpenMBeanAttributeInfo instance is accessed through a isXXX getter (applies only to boolean and Boolean values), false otherwise.

Returns:
true if the attribute is accessed through isXXX.

equals

boolean equals(Object obj)
Compares the specified obj parameter with this OpenMBeanAttributeInfo instance for equality.

Returns true if and only if all of the following statements are true:

This ensures that this equals method works properly for obj parameters which are different implementations of the OpenMBeanAttributeInfo interface.
 

Specified by:
equals in interface OpenMBeanParameterInfo
Overrides:
equals in class Object
Parameters:
obj - the object to be compared for equality with this OpenMBeanAttributeInfo instance;
Returns:
true if the specified object is equal to this OpenMBeanAttributeInfo instance.
See Also:
Object.hashCode(), Hashtable

hashCode

int hashCode()
Returns the hash code value for this OpenMBeanAttributeInfo instance.

The hash code of an OpenMBeanAttributeInfo instance is the sum of the hash codes of all elements of information used in equals comparisons (ie: its name, its open type, and its default, min, max and legal values).

This ensures that t1.equals(t2) implies that t1.hashCode()==t2.hashCode() for any two OpenMBeanAttributeInfo instances t1 and t2, as required by the general contract of the method Object.hashCode().

Specified by:
hashCode in interface OpenMBeanParameterInfo
Overrides:
hashCode in class Object
Returns:
the hash code value for this OpenMBeanAttributeInfo instance
See Also:
Object.equals(java.lang.Object), Hashtable

toString

String toString()
Returns a string representation of this OpenMBeanAttributeInfo instance.

The string representation consists of the name of this class (ie javax.management.openmbean.OpenMBeanAttributeInfo), the string representation of the name and open type of the described attribute, and the string representation of its default, min, max and legal values.

Specified by:
toString in interface OpenMBeanParameterInfo
Overrides:
toString in class Object
Returns:
a string representation of this OpenMBeanAttributeInfo instance

Java™ Platform
Standard Ed. 6

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2008 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.

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