Implemented workflow template

similarity/src/main/jinja/workflow.java.j2

@@ -1 +1,55 @@
-// TODO: create Workflow template!
+package hu.bme.mit.ase.shingler.similarity;
+
+import hu.bme.mit.ase.shingler.workflow.impl.*;
+import hu.bme.mit.ase.shingler.workflow.lib.*;
+
+public class {{ name }}Workflow extends Workflow<Double> {
+
+    // Input pin declarations
+    {%- for in_pin in inPins %}
+    public final Pin<String> {{ in_pin.name }} = new Pin<>();
+    {%- endfor %}
+
+    // Parameter declarations
+    {%- for param in parameters %}
+    private final {{ param.type }} {{ param.name }};
+    {%- endfor %}
+
+    public {{ name }}Workflow({% for param in parameters %}{{ param.type }} {{ param.name }}{% if not loop.last %}, {% endif %}{% endfor %}) {
+        {%- for param in parameters %}
+        this.{{ param.name }} = {{ param.name }};
+        {%- endfor %}
+    }
+
+    @Override
+    protected void initialize() {
+        {%- for worker in workers %}
+        var {{ worker.name }} = new {{ worker.type }}Worker(
+                {%- if worker.arguments -%}
+                {%- for argument in worker.arguments -%}
+                {{ argument }}
+                {%- if not loop.last -%}, {% endif -%}
+                {%- endfor -%}
+                {%- endif -%}
+        );
+        {%- endfor %}
+        {% for worker in workers %}
+        addWorker({{ worker.name }});
+        {%- endfor %}
+
+        setOutputPin({{ outPin.worker }}.outputPin);
+        {% for in_pin in inPins %}
+        var input{{ in_pin.name | capitalize }} = new Channel<>({{ in_pin.name }}, {{ in_pin.worker }}.{{ in_pin.pin }}Pin);
+        {%- endfor %}
+        {% for in_pin in inPins %}
+        addChannel(input{{ in_pin.name | capitalize }});
+        {%- endfor %}
+        {% for channel in channels %}
+        var {{ channel.name }} = new Channel<>({{ channel.fromWorker }}.outputPin, {{ channel.toWorker }}.{{ channel.toPin }}Pin);
+        {%- endfor %}
+        {% for channel in channels %}
+        addChannel({{ channel.name }});
+        {%- endfor %}
+    }
+
+}