package org.basex.data; import java.io.IOException; import org.basex.io.serial.Serializer; import org.basex.util.Util; /** * Expression information, used for debugging and logging. * * @author BaseX Team 2005-12, BSD License * @author Christian Gruen */ public abstract class ExprInfo { /** * Returns a string description of the expression. This method is only * called by error messages. Contrary to the {@link #toString()} method, * arguments are not included in the output. * @return result of check */ public String description() { return info() + " expression"; } /** * Returns the simplified class name. * @return class name */ public String info() { return Util.name(this); } /** * Serializes the expression tree. * @param ser serializer * @throws IOException I/O exception */ public abstract void plan(Serializer ser) throws IOException; @Override public abstract String toString(); }