com.ibm.streams.operator.window

Enum StreamWindow.Policy

  • java.lang.Object
  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Comparable<StreamWindow.Policy>
    Enclosing interface:
    StreamWindow<T>

    public static enum StreamWindow.Policy
extends java.lang.Enum<StreamWindow.Policy>
    Policy type for eviction and trigger policies.

    • Enum Constant Summary

      Enum Constants 
      Enum Constant and Description
      COUNT
      The policy is a count of tuples.
      DELTA
      The policy is a delta between an attribute's value in tuples.
      NONE
      No policy exists for this port.
      PUNCTUATION
      The policy is windows boundaries are indicated by a punctuation mark.
      TIME
      The policy is a time period.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method and Description
      static StreamWindow.Policy valueOf(java.lang.String name)
      Returns the enum constant of this type with the specified name.
      static StreamWindow.Policy[] values()
      Returns an array containing the constants of this enum type, in the order they are declared.

      • Methods inherited from class java.lang.Enum

        clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

      • Methods inherited from class java.lang.Object

        getClass, notify, notifyAll, wait, wait, wait

    • Enum Constant Detail

      • PUNCTUATION

        public static final StreamWindow.Policy PUNCTUATION
        The policy is windows boundaries are indicated by a punctuation mark.

      • DELTA

        public static final StreamWindow.Policy DELTA
        The policy is a delta between an attribute's value in tuples.

    • Method Detail

      • values

        public static StreamWindow.Policy[] values()
        Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows: 
        for (StreamWindow.Policy c : StreamWindow.Policy.values())
    System.out.println(c);
        Returns:
        an array containing the constants of this enum type, in the order they are declared

      • valueOf

        public static StreamWindow.Policy valueOf(java.lang.String name)
        Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
        Parameters:
        name - the name of the enum constant to be returned.
        Returns:
        the enum constant with the specified name
        Throws:
        java.lang.IllegalArgumentException - if this enum type has no constant with the specified name
        java.lang.NullPointerException - if the argument is null
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