/*********************************************************************************************************************** * 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."); } }