/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
**********************************************************************************************************************/
package eu.stratosphere.types;
import eu.stratosphere.api.common.typeutils.TypeSerializer;
public class NothingTypeInfo extends TypeInformation<Nothing> {
@Override
public boolean isBasicType() {
return false;
}
@Override
public boolean isTupleType() {
return false;
}
@Override
public int getArity() {
return 0;
}
@Override
public Class<Nothing> getTypeClass() {
return Nothing.class;
}
@Override
public boolean isKeyType() {
return false;
}
@Override
public TypeSerializer<Nothing> createSerializer() {
throw new RuntimeException("The Nothing type cannot have a serializer.");
}
}