/*
* 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 com.facebook.presto.testing;
import com.facebook.presto.metadata.BoundVariables;
import com.facebook.presto.operator.aggregation.AggregationCompiler;
import com.facebook.presto.operator.aggregation.InternalAggregationFunction;
import com.facebook.presto.spi.type.TypeManager;
import com.facebook.presto.spi.type.TypeSignature;
import com.facebook.presto.type.TypeRegistry;
import com.google.common.annotations.VisibleForTesting;
import java.util.List;
public class AggregationTestUtils
{
private AggregationTestUtils()
{
}
@VisibleForTesting
public static InternalAggregationFunction generateInternalAggregationFunction(Class<?> clazz, TypeSignature outputType, List<TypeSignature> inputTypes)
{
return generateInternalAggregationFunction(clazz, outputType, inputTypes, new TypeRegistry());
}
@VisibleForTesting
public static InternalAggregationFunction generateInternalAggregationFunction(Class<?> clazz, TypeSignature outputType, List<TypeSignature> inputTypes, TypeManager typeManager)
{
return generateInternalAggregationFunction(clazz, outputType, inputTypes, typeManager, BoundVariables.builder().build(), inputTypes.size());
}
@VisibleForTesting
public static InternalAggregationFunction generateInternalAggregationFunction(Class<?> clazz, TypeSignature outputType, List<TypeSignature> inputTypes, TypeManager typeManager, BoundVariables boundVariables, int arity)
{
return AggregationCompiler.generateAggregationBindableFunction(clazz, outputType, inputTypes).specialize(boundVariables, arity, typeManager);
}
}