tachyon.master.rawtable.journal.UpdateMetadataEntry.java Source code

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Here is the source code for tachyon.master.rawtable.journal.UpdateMetadataEntry.java

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/*
 * Licensed to the University of California, Berkeley 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 tachyon.master.rawtable.journal;

import java.nio.ByteBuffer;
import java.util.Map;

import com.google.common.collect.Maps;

import tachyon.master.journal.JournalEntry;
import tachyon.master.journal.JournalEntryType;

/**
 * The <code>JournalEntry</code> to represent the update of metadata in RawTable.
 */
public class UpdateMetadataEntry implements JournalEntry {
    public final long mId;
    public final ByteBuffer mMetadata;

    /**
     * @param id table id
     * @param metadata the metadata to be set for the table
     */
    public UpdateMetadataEntry(long id, ByteBuffer metadata) {
        mId = id;
        mMetadata = metadata;
    }

    @Override
    public JournalEntryType getType() {
        return JournalEntryType.UPDATE_METADATA;
    }

    @Override
    public Map<String, Object> getParameters() {
        Map<String, Object> parameters = Maps.newHashMapWithExpectedSize(2);
        parameters.put("id", mId);
        parameters.put("metadata", mMetadata);
        return parameters;
    }
}