new CompositeProperty()
Example
var constantProperty = ...;
var sampledProperty = ...;
//Create a composite property from two previously defined properties
//where the property is valid on August 1st, 2012 and uses a constant
//property for the first half of the day and a sampled property for the
//remaining half.
var composite = new bmgl.CompositeProperty();
composite.intervals.addInterval(bmgl.TimeInterval.fromIso8601({
iso8601 : '2012-08-01T00:00:00.00Z/2012-08-01T12:00:00.00Z',
data : constantProperty
}));
composite.intervals.addInterval(bmgl.TimeInterval.fromIso8601({
iso8601 : '2012-08-01T12:00:00.00Z/2012-08-02T00:00:00.00Z',
isStartIncluded : false,
isStopIncluded : false,
data : sampledProperty
}));Members
(readonly) definitionChanged : Event
获取每当此属性的定义更改时引发的事件。每当使用与当前值不同的数据调用setvalue时，定义就会更改。
intervals : TimeIntervalCollection
获取间隔集合。
(readonly) isConstant : Boolean
获取一个值，该值指示此属性是否为常量。如果getValue总是为当前定义返回相同的结果，则将属性视为常量。
Methods
equals(other) → {Boolean}
将此属性与提供的属性进行比较，如果相等，则返回
true，否则返回false。
Parameters:
获取所提供时间的属性值。
Parameters:
result
(Object)
将值存储到的对象（如果省略），将创建并返回新实例。