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/*
* Copyright 2016-2020 the original author or authors.
*
* 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
*
* https://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.springframework.data.cassandra.repository.query;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import java.util.Iterator;
import java.util.List;
import org.springframework.core.convert.converter.Converter;
import org.springframework.dao.IncorrectResultSizeDataAccessException;
import org.springframework.data.cassandra.core.CassandraOperations;
import org.springframework.data.cassandra.core.mapping.CassandraPersistentEntity;
import org.springframework.data.cassandra.core.mapping.CassandraPersistentProperty;
import org.springframework.data.cassandra.core.query.CassandraPageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Slice;
import org.springframework.data.domain.SliceImpl;
import org.springframework.data.mapping.context.MappingContext;
import org.springframework.data.mapping.model.EntityInstantiators;
import org.springframework.data.repository.query.ResultProcessor;
import org.springframework.data.repository.query.ReturnedType;
import org.springframework.lang.Nullable;
import org.springframework.util.ClassUtils;
import com.datastax.oss.driver.api.core.cql.ResultSet;
import com.datastax.oss.driver.api.core.cql.Row;
import com.datastax.oss.driver.api.core.cql.Statement;
/**
* Query executions for Cassandra.
*
* @author Mark Paluch
* @since 1.5
*/
@FunctionalInterface
interface CassandraQueryExecution {
@Nullable
Object execute(Statement statement, Class type);
/**
* {@link CassandraQueryExecution} for a Stream.
*
* @author Mark Paluch
*/
@RequiredArgsConstructor
final class StreamExecution implements CassandraQueryExecution {
private final @NonNull CassandraOperations operations;
private final @NonNull Converter