modules/storage-api/src/main/java/org/apache/ignite/internal/storage/ThreadAssertingPartitionTimestampCursor.java

/*
 * 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.storage;

import static org.apache.ignite.internal.worker.ThreadAssertions.assertThreadAllowsToRead;

import org.apache.ignite.internal.hlc.HybridTimestamp;
import org.apache.ignite.internal.schema.BinaryRow;
import org.apache.ignite.internal.worker.ThreadAssertingCursor;
import org.apache.ignite.internal.worker.ThreadAssertions;
import org.jetbrains.annotations.Nullable;

/**
 * {@link PartitionTimestampCursor} that performs thread assertions when doing read operations.
 *
 * @see ThreadAssertions
 */
public class ThreadAssertingPartitionTimestampCursor extends ThreadAssertingCursor<ReadResult> implements PartitionTimestampCursor {
    private final PartitionTimestampCursor cursor;

    /** Constructor. */
    public ThreadAssertingPartitionTimestampCursor(PartitionTimestampCursor cursor) {
        super(cursor);

        this.cursor = cursor;
    }

    @Override
    public @Nullable BinaryRow committed(HybridTimestamp timestamp) {
        assertThreadAllowsToRead();

        return cursor.committed(timestamp);
    }
}