### Layout Phase Implementation Example

Source: https://eclipse.dev/elk/documentation/algorithmdevelopers/algorithmimplementation/algorithmstructure.html

An example of implementing the ILayoutPhase interface for a layout phase.

```java
public class NodeOrderer implements ILayoutPhase<LayoutPhases, ElkNode> {

    @Override
    public LayoutProcessorConfiguration<LayoutPhases, ElkNode> getLayoutProcessorConfiguration(ElkNode graph) {
        // To start with, the phase won't require any layout processors
        return LayoutProcessorConfiguration.<LayoutPhases, ElkNode>create();
    }

    public void process(ElkNode ElkNode, IElkProgressMonitor progressMonitor) {
        // This will be the entry point to your phase
    }

}
```

--------------------------------

### White Box Test Setup

Source: https://eclipse.dev/elk/documentation/algorithmdevelopers/unittesting.html

Example of a white box test method specifying processors to run before and after.

```Java
@TestBeforeProcessor(NetworkSimplexLayerer.class)
@TestAfterProcessor(NetworkSimplexLayerer.class)
public void testNetworkSimplexLayerer(Object graph) {
    LGraph lGraph = (LGraph) graph;
    // Test things...
}
```

--------------------------------

### Pseudo Positions Example

Source: https://eclipse.dev/elk/blog/posts/2023/23-01-09-constraining-the-model.html

Example of adding pseudo positions to nodes.

```klighd
layout [position: 100, 0]
```