`Interval`

Creates an Interval (see Handling Data that Changes Over Time) of a given type, with a value valid from a specified date.

This expression is typically used as part of the construction of a Timeline.

<?xml version="1.0" encoding="UTF-8"?>
<RuleSet name="Example_Interval"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:noNamespaceSchemaLocation=
"http://www.curamsoftware.com/CreoleRulesSchema.xsd">

  <Class name="CreateInterval">

    <Attribute name="aNumberTimeline">
      <type>
        <javaclass name="curam.creole.value.Timeline">
          <javaclass name="Number"/>
        </javaclass>
      </type>
      <derivation>
        <Timeline>
          <intervaltype>
            <javaclass name="Number"/>
          </intervaltype>
          <initialvalue>
            <Number value="0"/>
          </initialvalue>
          <!-- Another interval-->
          <intervals>
            <fixedlist>
              <listof>
                <javaclass name="curam.creole.value.Interval">
                  <javaclass name="Number"/>
                </javaclass>
              </listof>
              <members>
                <!-- Creates an interval of the specified type.
                     Typically used as input into a <Timeline>. -->
                <Interval>
                  <intervaltype>
                    <javaclass name="Number"/>
                  </intervaltype>
                  <start>
                    <Date value="2001-01-01"/>
                  </start>
                  <value>
                    <Number value="10000"/>
                  </value>
                </Interval>
              </members>
            </fixedlist>

          </intervals>
        </Timeline>

      </derivation>
    </Attribute>


  </Class>
</RuleSet>