core/include/ignite/cache/query/query_scan.h

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/*
 * Copyright 2019 GridGain Systems, Inc. and Contributors.
 *
 * Licensed under the GridGain Community Edition License (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.gridgain.com/products/software/community-edition/gridgain-community-edition-license
 *
 * 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.
 */
 
#ifndef _IGNITE_CACHE_QUERY_QUERY_SCAN
#define _IGNITE_CACHE_QUERY_QUERY_SCAN
 
#include <stdint.h>
#include <string>
 
#include "ignite/binary/binary_raw_writer.h"
 
namespace ignite
{
    namespace cache
    {
        namespace query
        {
            class ScanQuery
            {
            public:
                ScanQuery() : part(-1), pageSize(1024), loc(false)
                {
                    // No-op.
                }
 
                ScanQuery(int32_t part) : part(part), pageSize(1024), loc(false)
                {
                    // No-op.
                }
 
                int32_t GetPartition() const
                {
                    return part;
                }
 
                void SetPartition(int32_t part)
                {
                    this->part = part;
                }
 
                int32_t GetPageSize() const
                {
                    return pageSize;
                }
 
                void SetPageSize(int32_t pageSize)
                {
                    this->pageSize = pageSize;
                }
 
                bool IsLocal() const
                {
                    return loc;
                }
 
                void SetLocal(bool loc)
                {
                    this->loc = loc;
                }
 
                void Write(binary::BinaryRawWriter& writer) const
                {
                    writer.WriteBool(loc);
                    writer.WriteInt32(pageSize);
 
                    if (part < 0)
                        writer.WriteBool(false);
                    else
                    {
                        writer.WriteBool(true);
                        writer.WriteInt32(part);
                    }
 
                    writer.WriteNull(); // Predicates are not supported yet.
                }
 
            private:
                int32_t part;
 
                int32_t pageSize;
 
                bool loc;
            };
        }
    }    
}
 
#endif //_IGNITE_CACHE_QUERY_QUERY_SCAN