/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.ignite.internal.processors.platform.cache.query;
import java.util.List;
import org.apache.ignite.internal.binary.BinaryRawWriterEx;
import org.apache.ignite.internal.processors.cache.query.QueryCursorEx;
import org.apache.ignite.internal.processors.platform.PlatformContext;
/**
* Interop cursor for fields query.
*/
public class PlatformFieldsQueryCursor extends PlatformAbstractQueryCursor<List<?>> {
/**
* Constructor.
*
* @param platformCtx Platform context.
* @param cursor Backing cursor.
* @param batchSize Batch size.
*/
public PlatformFieldsQueryCursor(PlatformContext platformCtx, QueryCursorEx<List<?>> cursor, int batchSize) {
super(platformCtx, cursor, batchSize);
}
/** {@inheritDoc} */
@Override protected void write(BinaryRawWriterEx writer, List vals) {
assert vals != null;
int rowSizePos = writer.reserveInt();
writer.writeInt(vals.size());
for (Object val : vals)
writer.writeObjectDetached(val);
int rowEndPos = writer.out().position();
writer.writeInt(rowSizePos, rowEndPos - rowSizePos);
}
}