OpenMBeanParameterInfoSupport (Java 2 Platform Ent. Ed. v1.4) - Java Platform, Enterprise Edition v1.4 API Specifications

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javax.management.openmbean
Class OpenMBeanParameterInfoSupport

java.lang.Object
  javax.management.MBeanFeatureInfo
      javax.management.MBeanParameterInfo
          javax.management.openmbean.OpenMBeanParameterInfoSupport

All Implemented Interfaces:: Cloneable, OpenMBeanParameterInfo, Serializable

public class OpenMBeanParameterInfoSupport
extends MBeanParameterInfo
implements OpenMBeanParameterInfo, Serializable

Describes a parameter used in one or more operations or constructors of an open MBean.

Since:: JMX 1.1
Version:: 3.17 02/10/01
Author:: Sun Microsystems, Inc.
See Also:: Serialized Form

Field Summary

Fields inherited from class javax.management.MBeanFeatureInfo

description, name

Constructor Summary

OpenMBeanParameterInfoSupport(String name, String description, OpenType openType)
          Constructs an OpenMBeanParameterInfoSupport instance, which describes the parameter used in one or more operations or constructors of a class of open MBeans, with the specified name, openType and description.

OpenMBeanParameterInfoSupport(String name, String description, OpenType openType, Object defaultValue)
          Constructs an OpenMBeanParameterInfoSupport instance, which describes the parameter used in one or more operations or constructors of a class of open MBeans, with the specified name, openType, description and defaultValue.

OpenMBeanParameterInfoSupport(String name, String description, OpenType openType, Object defaultValue, Comparable minValue, Comparable maxValue)
          Constructs an OpenMBeanParameterInfoSupport instance, which describes the parameter used in one or more operations or constructors of a class of open MBeans, with the specified name, openType, description, defaultValue, minValue and maxValue.

OpenMBeanParameterInfoSupport(String name, String description, OpenType openType, Object defaultValue, Object[] legalValues)
          Constructs an OpenMBeanParameterInfoSupport instance, which describes the parameter used in one or more operations or constructors of a class of open MBeans, with the specified name, openType, description, defaultValue and legalValues.

Method Summary

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

Object getDefaultValue()
          Returns the default value for the parameter described by this OpenMBeanParameterInfoSupport instance, if specified, or null otherwise.

Set getLegalValues()
          Returns an unmodifiable Set of legal values for the parameter described by this OpenMBeanParameterInfoSupport instance, if specified, or null otherwise.

Comparable getMaxValue()
          Returns the maximal value for the parameter described by this OpenMBeanParameterInfoSupport instance, if specified, or null otherwise.

Comparable getMinValue()
          Returns the minimal value for the parameter described by this OpenMBeanParameterInfoSupport instance, if specified, or null otherwise.

OpenType getOpenType()
          Returns the open type for the values of the parameter described by this OpenMBeanParameterInfoSupport instance.

boolean hasDefaultValue()
          Returns true if this OpenMBeanParameterInfoSupport instance specifies a non-null default value for the described parameter, false otherwise.

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

boolean hasLegalValues()
          Returns true if this OpenMBeanParameterInfoSupport instance specifies a non-null set of legal values for the described parameter, false otherwise.

boolean hasMaxValue()
          Returns true if this OpenMBeanParameterInfoSupport instance specifies a non-null maximal value for the described parameter, false otherwise.

boolean hasMinValue()
          Returns true if this OpenMBeanParameterInfoSupport instance specifies a non-null minimal value for the described parameter, false otherwise.

boolean isValue(Object obj)
          Tests whether obj is a valid value for the parameter described by this OpenMBeanParameterInfo instance.

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

Methods inherited from class javax.management.MBeanParameterInfo

clone, getType

Methods inherited from class javax.management.MBeanFeatureInfo

getDescription, getName

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface javax.management.openmbean.OpenMBeanParameterInfo

getDescription, getName

Constructor Detail

OpenMBeanParameterInfoSupport

public OpenMBeanParameterInfoSupport(String name,
                                     String description,
                                     OpenType openType)

Constructs an OpenMBeanParameterInfoSupport instance, which describes the parameter used in one or more operations or constructors of a class of open MBeans, with the specified name, openType and description.
Parameters:: name - cannot be a null or empty string.; description - cannot be a null or empty string.; openType - cannot be null.
Throws:: IllegalArgumentException - if name or description are null or empty string, or openType is null.

OpenMBeanParameterInfoSupport

public OpenMBeanParameterInfoSupport(String name,
                                     String description,
                                     OpenType openType,
                                     Object defaultValue)
                              throws OpenDataException

Constructs an OpenMBeanParameterInfoSupport instance, which describes the parameter used in one or more operations or constructors of a class of open MBeans, with the specified name, openType, description and defaultValue.
Parameters:: name - cannot be a null or empty string.; description - cannot be a null or empty string.; openType - cannot be null.; defaultValue - must be a valid value for the openType specified for this parameter; default value not supported for ArrayType and TabularType; can be null, in which case it means that no default value is set.
Throws:: IllegalArgumentException - if name or description are null or empty string, or openType is null.; OpenDataException - if defaultValue is not a valid value for the specified openType, or defaultValue is non null and openType is an ArrayType or a TabularType.

OpenMBeanParameterInfoSupport

public OpenMBeanParameterInfoSupport(String name,
                                     String description,
                                     OpenType openType,
                                     Object defaultValue,
                                     Object[] legalValues)
                              throws OpenDataException

Constructs an OpenMBeanParameterInfoSupport instance, which describes the parameter used in one or more operations or constructors of a class of open MBeans, with the specified name, openType, description, defaultValue and legalValues. The contents of legalValues are internally dumped into an unmodifiable Set, so subsequent modifications of the array referenced by legalValues have no impact on this OpenMBeanParameterInfoSupport instance.
Parameters:: name - cannot be a null or empty string.; description - cannot be a null or empty string.; openType - cannot be null.; defaultValue - must be a valid value for the openType specified for this parameter; default value not supported for ArrayType and TabularType; can be null, in which case it means that no default value is set.; legalValues - each contained value must be valid for the openType specified for this parameter; legal values not supported for ArrayType and TabularType; can be null or empty.
Throws:: IllegalArgumentException - if name or description are null or empty string, or openType is null.; OpenDataException - if defaultValue is not a valid value for the specified openType, or one value in legalValues is not valid for the specified openType, or defaultValue is non null and openType is an ArrayType or a TabularType, or legalValues is non null and non empty and openType is an ArrayType or a TabularType, or legalValues is non null and non empty and defaultValue is not contained in legalValues.

OpenMBeanParameterInfoSupport

public OpenMBeanParameterInfoSupport(String name,
                                     String description,
                                     OpenType openType,
                                     Object defaultValue,
                                     Comparable minValue,
                                     Comparable maxValue)
                              throws OpenDataException

Constructs an OpenMBeanParameterInfoSupport instance, which describes the parameter used in one or more operations or constructors of a class of open MBeans, with the specified name, openType, description, defaultValue, minValue and maxValue. It is possible to specify minimal and maximal values only for an open type whose values are Comparable.
Parameters:: name - cannot be a null or empty string.; description - cannot be a null or empty string.; openType - cannot be null.; defaultValue - must be a valid value for the openType specified for this parameter; default value not supported for ArrayType and TabularType; can be null, in which case it means that no default value is set.; minValue - must be valid for the openType specified for this parameter; can be null, in which case it means that no minimal value is set.; maxValue - must be valid for the openType specified for this parameter; can be null, in which case it means that no maximal value is set.
Throws:: IllegalArgumentException - if name or description are null or empty string, or openType is null.; OpenDataException - if defaultValue, minValue or maxValue is not a valid value for the specified openType, or defaultValue is non null and openType is an ArrayType or a TabularType, or both minValue and maxValue are non-null and minValue.compareTo(maxValue) > 0 is true, or both defaultValue and minValue are non-null and minValue.compareTo(defaultValue) > 0 is true, or both defaultValue and maxValue are non-null and defaultValue.compareTo(maxValue) > 0 is true.

Method Detail

getOpenType

public OpenType getOpenType()

Returns the open type for the values of the parameter described by this OpenMBeanParameterInfoSupport instance.

Specified by:: getOpenType in interface OpenMBeanParameterInfo

Returns:: the open type.

getDefaultValue

public Object getDefaultValue()

Returns the default value for the parameter described by this OpenMBeanParameterInfoSupport instance, if specified, or null otherwise.

Specified by:: getDefaultValue in interface OpenMBeanParameterInfo

Returns:: the default value.

getLegalValues

public Set getLegalValues()

Returns an unmodifiable Set of legal values for the parameter described by this OpenMBeanParameterInfoSupport instance, if specified, or null otherwise.

Specified by:: getLegalValues in interface OpenMBeanParameterInfo

Returns:: the set of legal values.

getMinValue

public Comparable getMinValue()

Returns the minimal value for the parameter described by this OpenMBeanParameterInfoSupport instance, if specified, or null otherwise.

Specified by:: getMinValue in interface OpenMBeanParameterInfo

Returns:: the minimum value.

getMaxValue

public Comparable getMaxValue()

Returns the maximal value for the parameter described by this OpenMBeanParameterInfoSupport instance, if specified, or null otherwise.

Specified by:: getMaxValue in interface OpenMBeanParameterInfo

Returns:: the maximum value.

hasDefaultValue

public boolean hasDefaultValue()

Returns true if this OpenMBeanParameterInfoSupport instance specifies a non-null default value for the described parameter, false otherwise.

Specified by:: hasDefaultValue in interface OpenMBeanParameterInfo

Returns:: true if there is a default value.

hasLegalValues

public boolean hasLegalValues()

Returns true if this OpenMBeanParameterInfoSupport instance specifies a non-null set of legal values for the described parameter, false otherwise.

Specified by:: hasLegalValues in interface OpenMBeanParameterInfo

Returns:: true if there is a set of legal values.

hasMinValue

public boolean hasMinValue()

Returns true if this OpenMBeanParameterInfoSupport instance specifies a non-null minimal value for the described parameter, false otherwise.

Specified by:: hasMinValue in interface OpenMBeanParameterInfo

Returns:: true if there is a minimum value.

hasMaxValue

public boolean hasMaxValue()

Returns true if this OpenMBeanParameterInfoSupport instance specifies a non-null maximal value for the described parameter, false otherwise.

Specified by:: hasMaxValue in interface OpenMBeanParameterInfo

Returns:: true if there is a maximum value.

isValue

public boolean isValue(Object obj)

Tests whether obj is a valid value for the parameter described by this OpenMBeanParameterInfo instance.

Specified by:: isValue in interface OpenMBeanParameterInfo

Parameters:: obj - the object to be tested.
Returns:: true if obj is a valid value for the parameter described by this OpenMBeanParameterInfo instance, false otherwise.

equals

public boolean equals(Object obj)

Compares the specified obj parameter with this OpenMBeanParameterInfoSupport instance for equality.

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

obj is non null,
obj also implements the OpenMBeanParameterInfo interface,
their names are equal
their open types are equal
their default, min, max and legal values are equal.

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

Specified by:: equals in interface OpenMBeanParameterInfo
Overrides:: equals in class MBeanParameterInfo

Parameters:: obj - the object to be compared for equality with this OpenMBeanParameterInfoSupport instance;
Returns:: true if the specified object is equal to this OpenMBeanParameterInfoSupport instance.

hashCode

public int hashCode()

Returns the hash code value for this OpenMBeanParameterInfoSupport instance.

The hash code of an OpenMBeanParameterInfoSupport 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 OpenMBeanParameterInfoSupport instances t1 and t2, as required by the general contract of the method Object.hashCode .

However, note that another instance of a class implementing the OpenMBeanParameterInfo interface may be equal to this OpenMBeanParameterInfoSupport instance as defined by equals(java.lang.Object), but may have a different hash code if it is calculated differently.

As OpenMBeanParameterInfoSupport instances are immutable, the hash code for this instance is calculated once, on the first call to hashCode, and then the same value is returned for subsequent calls.

Specified by:: hashCode in interface OpenMBeanParameterInfo
Overrides:: hashCode in class MBeanParameterInfo

Returns:: the hash code value for this OpenMBeanParameterInfoSupport instance

toString

public String toString()

Returns a string representation of this OpenMBeanParameterInfoSupport instance.

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

As OpenMBeanParameterInfoSupport instances are immutable, the string representation for this instance is calculated once, on the first call to toString, and then the same value is returned for subsequent calls.

Specified by:: toString in interface OpenMBeanParameterInfo

Returns:: a string representation of this OpenMBeanParameterInfoSupport instance

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Constructor Summary
`OpenMBeanParameterInfoSupport(String name, String description, OpenType openType)` Constructs an `OpenMBeanParameterInfoSupport` instance, which describes the parameter used in one or more operations or constructors of a class of open MBeans, with the specified `name`, `openType` and `description`.
`OpenMBeanParameterInfoSupport(String name, String description, OpenType openType, Object defaultValue)` Constructs an `OpenMBeanParameterInfoSupport` instance, which describes the parameter used in one or more operations or constructors of a class of open MBeans, with the specified `name`, `openType`, `description` and `defaultValue`.
`OpenMBeanParameterInfoSupport(String name, String description, OpenType openType, Object defaultValue, Comparable minValue, Comparable maxValue)` Constructs an `OpenMBeanParameterInfoSupport` instance, which describes the parameter used in one or more operations or constructors of a class of open MBeans, with the specified `name`, `openType`, `description`, `defaultValue`, `minValue` and `maxValue`.
`OpenMBeanParameterInfoSupport(String name, String description, OpenType openType, Object defaultValue, Object[] legalValues)` Constructs an `OpenMBeanParameterInfoSupport` instance, which describes the parameter used in one or more operations or constructors of a class of open MBeans, with the specified `name`, `openType`, `description`, `defaultValue` and `legalValues`.

Method Summary
`boolean`	`equals(Object obj)` Compares the specified `obj` parameter with this `OpenMBeanParameterInfoSupport` instance for equality.
`Object`	`getDefaultValue()` Returns the default value for the parameter described by this `OpenMBeanParameterInfoSupport` instance, if specified, or `null` otherwise.
`Set`	`getLegalValues()` Returns an unmodifiable Set of legal values for the parameter described by this `OpenMBeanParameterInfoSupport` instance, if specified, or `null` otherwise.
`Comparable`	`getMaxValue()` Returns the maximal value for the parameter described by this `OpenMBeanParameterInfoSupport` instance, if specified, or `null` otherwise.
`Comparable`	`getMinValue()` Returns the minimal value for the parameter described by this `OpenMBeanParameterInfoSupport` instance, if specified, or `null` otherwise.
`OpenType`	`getOpenType()` Returns the open type for the values of the parameter described by this `OpenMBeanParameterInfoSupport` instance.
`boolean`	`hasDefaultValue()` Returns `true` if this `OpenMBeanParameterInfoSupport` instance specifies a non-null default value for the described parameter, `false` otherwise.
`int`	`hashCode()` Returns the hash code value for this `OpenMBeanParameterInfoSupport` instance.
`boolean`	`hasLegalValues()` Returns `true` if this `OpenMBeanParameterInfoSupport` instance specifies a non-null set of legal values for the described parameter, `false` otherwise.
`boolean`	`hasMaxValue()` Returns `true` if this `OpenMBeanParameterInfoSupport` instance specifies a non-null maximal value for the described parameter, `false` otherwise.
`boolean`	`hasMinValue()` Returns `true` if this `OpenMBeanParameterInfoSupport` instance specifies a non-null minimal value for the described parameter, `false` otherwise.
`boolean`	`isValue(Object obj)` Tests whether `obj` is a valid value for the parameter described by this `OpenMBeanParameterInfo` instance.
`String`	`toString()` Returns a string representation of this `OpenMBeanParameterInfoSupport` instance.

OpenMBeanParameterInfoSupport (Java 2 Platform Ent. Ed. v1.4) - Java Platform, Enterprise Edition v1.4 API Specifications

javax.management.openmbean Class OpenMBeanParameterInfoSupport

OpenMBeanParameterInfoSupport

OpenMBeanParameterInfoSupport

OpenMBeanParameterInfoSupport

OpenMBeanParameterInfoSupport

getOpenType

getDefaultValue

getLegalValues

getMinValue

getMaxValue

hasDefaultValue

hasLegalValues

hasMinValue

hasMaxValue

isValue

equals

hashCode

toString

javax.management.openmbean
Class OpenMBeanParameterInfoSupport