javax.management.openmbean

Class OpenMBeanParameterInfoSupport

Inhoudsopgave

    • Field Summary

      • Fields inherited from class javax.management.MBeanFeatureInfo

        description, name

    • Constructor Summary

      Constructors 
      Constructor and Description
      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, Descriptor descriptor)
      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 descriptor.
      OpenMBeanParameterInfoSupport(String name, String description, OpenType<T> openType, T 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<T> openType, T defaultValue, Comparable<T> minValue, Comparable<T> 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<T> openType, T defaultValue, T[] 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.

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    • Method Summary

      Methods 
      Modifier and Type Method and Description
      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.

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      • Methods inherited from class javax.management.MBeanParameterInfo

        clone, getType

    • 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,
                             Descriptor descriptor)

        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 descriptor.

        The descriptor can contain entries that will define the values returned by certain methods of this class, as explained in the package description.

        Parameters:
        name - cannot be a null or empty string.
        description - cannot be a null or empty string.
        openType - cannot be null.
        descriptor - The descriptor for the parameter. This may be null which is equivalent to an empty descriptor.
        Throws:
        IllegalArgumentException - if name or description are null or empty string, or openType is null, or the descriptor entries are invalid as described in the package description.
        Since:
        1.6

      • OpenMBeanParameterInfoSupport

        public OpenMBeanParameterInfoSupport(String name,
                             String description,
                             OpenType<T> openType,
                             T 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.
        Type Parameters:
        T - allows the compiler to check that the defaultValue, if non-null, has the correct Java type for the given openType.
        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<T> openType,
                             T defaultValue,
                             T[] 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 copied, so subsequent modifications of the array referenced by legalValues have no impact on this OpenMBeanParameterInfoSupport instance.

        Type Parameters:
        T - allows the compiler to check that the defaultValue and legalValues, if non-null, have the correct Java type for the given openType.
        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<T> openType,
                             T defaultValue,
                             Comparable<T> minValue,
                             Comparable<T> 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.
        Type Parameters:
        T - allows the compiler to check that the defaultValue, minValue, and maxValue, if non-null, have the correct Java type for the given openType.
        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.

        If obj also implements DescriptorRead, then its getDescriptor() method must also return the same value as for this object.

        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.
        See Also:
        Object.hashCode(), HashMap

      • 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, its default, min, max and legal values, and its Descriptor).

        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
        See Also:
        Object.equals(java.lang.Object), System.identityHashCode(java.lang.Object)

      • toString

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

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

        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
        Overrides:
        toString in class MBeanParameterInfo
        Returns:
        a string representation of this OpenMBeanParameterInfoSupport instance.

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Document heeft de 11/06/2005 gemaakt, de laatste keer de 04/03/2020 gewijzigd
Bron van het afgedrukte document:https://www.gaudry.be/nl/java-api-rf-javax/management/openmbean/OpenMBeanParameterInfoSupport.html

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