lens-examples/src/main/resources/sales-cube.xml

<?xml version="1.0" encoding="UTF-8"?>
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<x_base_cube name="sales" xmlns="uri:lens:cube:0.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="uri:lens:cube:0.1 cube-0.1.xsd ">
  <properties>
    <property name="cube.sales.timed.dimensions.list" value="order_time,delivery_time" />
    <property name="cube.timedim.partition.order_time" value="ot" />
    <property name="cube.timedim.partition.delivery_time" value="dt" />
    <property name="cube.timedim.relation.order_time" value="delivery_time+[-20 days,-1 hour]" />
    <!-- means dt-20days <= ot <= dt-1hour -->
  </properties>
  <measures>
    <measure name="unit_sales" _type="BIGINT" default_aggr="SUM" display_string="Unit Sales" format_string="#,###"/>
    <measure name="store_sales" _type="DOUBLE" default_aggr="SUM" display_string="Store Sales" format_string="#,###.##"/>
    <measure name="store_cost" _type="DOUBLE" default_aggr="SUM" display_string="Store Cost" format_string="#,###.00"
     start_time='2015-03-01T00:00:00' />
    <measure name="line_item_quantity" _type="INT" default_aggr="SUM" display_string="Line item quantity"/>
    <measure name="line_item_product_price" _type="FLOAT" default_aggr="SUM" display_string="Line item product price"/>
    <measure name="line_item_discount_amount" _type="FLOAT" default_aggr="SUM" display_string="Line item discount"/>
    <measure name="line_item_tax" _type="FLOAT" default_aggr="SUM" display_string="Line item tax"/>
    <measure name="max_line_item_price" _type="FLOAT" default_aggr="MAX" display_string="Maximum Line item price"/>
    <measure name="max_line_item_discount" _type="FLOAT" default_aggr="MAX"
     display_string="Maximum Line item discount"/>
    <measure name="rating" _type="FLOAT" default_aggr="AVG"
      display_string="Rating"/>
  </measures>
  <dim_attributes>
    <dim_attribute name="customer_id" _type="INT" />
    <dim_attribute name="product_id" _type="INT" />
    <dim_attribute name="promotion_id" _type="INT" />
    <dim_attribute name="order_id" _type="INT" />
    <dim_attribute name="order_line_number" _type="INT" />
    <dim_attribute name="order_time" _type="TIMESTAMP" />
    <dim_attribute name="delivery_time" _type="TIMESTAMP" />
    <dim_attribute name="customer_city_id" _type="INT" start_time='2015-03-01T00:00:00' />
    <dim_attribute name="production_city_id" _type="INT" />
    <dim_attribute name="delivery_city_id" _type="INT" />
    <dim_attribute name="customer_city_name" _type="string" description="City name to which the customer belongs"
                   display_string="Customer City">
      <chain_ref_column chain_name="customer_city" ref_col="name" />
      <chain_ref_column chain_name="customer_details" ref_col="customer_city_name" />
    </dim_attribute>
    <dim_attribute name="customer_interest" _type="string" description="Customer's interest"
                   display_string="Customer Interest">
      <chain_ref_column chain_name="customer_interests_chain" ref_col="name" />
    </dim_attribute>
    <dim_attribute name="production_location">
      <hierarchy>
      <dim_attribute name="production_city_name" _type="STRING" description="City name in which the product was produced"
                     display_string="Production City">
        <chain_ref_column chain_name="production_city" ref_col="name" />
      </dim_attribute>
      <dim_attribute name="production_state" _type="STRING" description="State name in which the product was produced"
                     display_string="Production State"/>
      <dim_attribute name="production_country" _type="STRING" description="Country name in which the product was produced"
                     display_string="Production Country"/>
      </hierarchy>
    </dim_attribute>
    <dim_attribute name="delivery_city_name" _type="STRING" description="City name to which the product was delivered"
                   display_string="Delivery City">
      <chain_ref_column chain_name="delivery_city" ref_col="name" />
    </dim_attribute>
  </dim_attributes>
  <expressions>
    <expression name="profit" _type="DOUBLE" display_string="Profit">
      <expr_spec expr="store_sales - store_cost"/>
    </expression>
    <expression name="promotion_sales" _type="DOUBLE" display_string="Promotion sales">
      <expr_spec expr="sum(case when promotion_id = 0 then 0 else store_sales end)" start_time='2015-04-12T00:00:00'/>
      <expr_spec expr="sum(case when promotion_id = -1 then 0 when promotion_id = -1 then 0 else store_sales end)"
       end_time="2015-04-12T00:00:00"/>
    </expression>
  </expressions>
  <join_chains>
    <join_chain name="customer_details">
      <paths>
        <path>
          <edges>
            <edge>
              <from table="sales" column="customer_id" />
              <to table="customer" column="id" />
            </edge>
          </edges>
        </path>
      </paths>
    </join_chain>
    <join_chain name="customer_interests_chain">
      <paths>
        <path>
          <edges>
            <edge>
              <from table="sales" column="customer_id" />
              <to table="customer" column="id" />
            </edge>
            <edge>
              <from table="customer" column="id" />
              <to table="customer_interests" column="customer_id" maps_to_many="true" />
            </edge>
            <edge>
              <from table="customer_interests" column="interest_id" />
              <to table="interests" column="id" />
            </edge>
          </edges>
        </path>
      </paths>
    </join_chain>
    <join_chain name="product_details">
      <paths>
        <path>
          <edges>
            <edge>
              <from table="sales" column="product_id" />
              <to table="product" column="id" />
            </edge>
          </edges>
        </path>
      </paths>
    </join_chain>
    <join_chain name="customer_city">
      <paths>
        <path>
          <edges>
            <edge>
              <from table="sales" column="customer_city_id" />
              <to table="city" column="id" />
            </edge>
          </edges>
        </path>
        <path>
          <edges>
            <edge>
              <from table="sales" column="customer_id" />
              <to table="customer" column="id" />
            </edge>
            <edge>
              <from table="customer" column="city_id" />
              <to table="city" column="id" />
            </edge>
          </edges>
        </path>
      </paths>
    </join_chain>
    <join_chain name="delivery_city">
      <paths>
        <path>
          <edges>
            <edge>
              <from table="sales" column="delivery_city_id" />
              <to table="city" column="id" />
            </edge>
          </edges>
        </path>
      </paths>
    </join_chain>
    <join_chain name="production_city">
      <paths>
        <path>
          <edges>
            <edge>
              <from table="sales" column="production_city_id" />
              <to table="city" column="id" />
            </edge>
          </edges>
        </path>
      </paths>
    </join_chain>
  </join_chains>
</x_base_cube>