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benstopford/Email.java

Created November 9, 2017 00:12
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Email.java
orders.join(customers, Tuple::new) //join customers and orders
.filter((k, tuple) → tuple.customer.level().equals(PLATINUM) //filter platinum customers
&& tuple.order.state().equals(CONFIRMED)) //only consider confirmed orders
.peek((k, tuple) → emailer.sendMail(tuple)); //send email for each cust/order tuple
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