Example usage for org.apache.commons.collections15 TransformerUtils nullTransformer

Introduction

In this page you can find the example usage for org.apache.commons.collections15 TransformerUtils nullTransformer.

Prototype

public static Transformer nullTransformer() 

Source Link

Document

Gets a transformer that always returns null.

Usage

From source file:edu.uci.ics.jung.io.GraphMLWriter.java

/**
 * //w w  w .  j  a  v  a 2  s  .  c  om
 */
@SuppressWarnings("unchecked")
public GraphMLWriter() {
    vertex_ids = new Transformer<V, String>() {
        public String transform(V v) {
            return v.toString();
        }
    };
    edge_ids = TransformerUtils.nullTransformer();
    graph_data = Collections.emptyMap();
    vertex_data = Collections.emptyMap();
    edge_data = Collections.emptyMap();
    vertex_desc = TransformerUtils.nullTransformer();
    edge_desc = TransformerUtils.nullTransformer();
    graph_desc = TransformerUtils.nullTransformer();
    nest_level = 0;
}

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From source file:net.itransformers.utils.MyGraphMLWriter.java

/**
 * /*  www  .  j av  a 2 s . c  o  m*/
 */
@SuppressWarnings("unchecked")
public MyGraphMLWriter() {
    vertex_ids = new Transformer<V, String>() {
        public String transform(V v) {
            return v.toString();
        }
    };
    edge_ids = TransformerUtils.nullTransformer();
    graph_data = Collections.emptyMap();
    vertex_data = Collections.emptyMap();
    edge_data = Collections.emptyMap();
    vertex_desc = TransformerUtils.nullTransformer();
    edge_desc = TransformerUtils.nullTransformer();
    graph_desc = TransformerUtils.nullTransformer();
    nest_level = 0;
}

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