org.teiid.translator.ResultSetExecution Maven / Gradle / Ivy
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* Copyright Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags and
* the COPYRIGHT.txt file distributed with this work.
*
* 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 org.teiid.translator;
import java.util.List;
import org.teiid.language.Call;
import org.teiid.language.QueryExpression;
/**
* Defines an execution for {@link QueryExpression}s and {@link Call}s that
* returns a resultset, which is represented through the iterator method
* {@link #next()}.
*/
public interface ResultSetExecution extends Execution {
/**
* Retrieves the next row of the resultset.
* @return the next row or null indicating that there are no more results
* @throws TranslatorException
* @throws DataNotAvailableException
*/
List next() throws TranslatorException, DataNotAvailableException;
}