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package de.lmu.ifi.dbs.elki.data.type;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2012
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import java.util.Collection;
/**
* Exception thrown when no supported data type was found.
*
* @author Erich Schubert
*
* @apiviz.uses TypeInformation oneway - -
*/
public class NoSupportedDataTypeException extends IllegalStateException {
/**
* Serial version.
*/
private static final long serialVersionUID = 1L;
/**
* Available types
*/
private Collection<TypeInformation> types = null;
/**
* Constructor.
*
* @param type Requested type
* @param types Available types.
*/
public NoSupportedDataTypeException(TypeInformation type, Collection<TypeInformation> types) {
super("No data type found satisfying: " + type.toString());
this.types = types;
}
/**
* Constructor with string message. If possible, use the type parameter
* instead!
*
* @param string Error message
*/
public NoSupportedDataTypeException(String string) {
super(string);
}
@Override
public String getMessage() {
StringBuilder buf = new StringBuilder(super.getMessage());
if(types != null) {
buf.append("\nAvailable types:");
for(TypeInformation type : types) {
buf.append(" ").append(type.toString());
}
}
return buf.toString();
}
}
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