Add examples of unused streams

aplotnikov · aplotnikov · commit ab2c3a9cfe93 · 2018-12-26T19:53:35.000+01:00
diff --git a/src/main/java/io/github/aplotnikov/java_8_misuses/domain/Application.java b/src/main/java/io/github/aplotnikov/java_8_misuses/domain/Application.java
@@ -19,4 +19,7 @@ public enum Type {
 
     Type type;
 
+    public boolean isExtension() {
+        return false;
+    }
 }
diff --git a/src/main/java/io/github/aplotnikov/java_8_misuses/stream/incorrect/ForgotTerminalOperation.java b/src/main/java/io/github/aplotnikov/java_8_misuses/stream/incorrect/ForgotTerminalOperation.java
@@ -0,0 +1,18 @@
+package io.github.aplotnikov.java_8_misuses.stream.incorrect;
+
+import io.github.aplotnikov.java_8_misuses.domain.Application;
+import io.github.aplotnikov.java_8_misuses.domain.Client;
+
+import java.util.List;
+
+import static io.github.aplotnikov.java_8_misuses.utils.Annotations.Bad;
+
+class ForgotTerminalOperation {
+    @Bad
+    void processClients(List<Client> clients) {
+        clients.stream()
+               .map(Client::getApplications)
+               .flatMap(List::stream)
+               .filter(Application::isExtension);
+    }
+}
