package org.rrd4j.graph; import org.rrd4j.core.XmlWriter; import org.rrd4j.data.Variable; import org.rrd4j.data.DataProcessor; class VDef extends Source { private final String defName; private final Variable var; VDef(String name, String defName, Variable var) { super(name); this.defName = defName; this.var = var; } void requestData(DataProcessor dproc) { dproc.addDatasource(name, defName, var); } }