/*
* 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.usergrid.persistence.graph.serialization.impl.shard;
import java.util.Iterator;
import org.apache.usergrid.persistence.core.migration.schema.Migration;
import org.apache.usergrid.persistence.core.scope.ApplicationScope;
import com.google.common.base.Optional;
import com.netflix.astyanax.MutationBatch;
/**
* The interface for creating and retrieving time series row keys
*/
public interface EdgeShardSerialization extends Migration{
/**
* Write a new time shard for the meta data
* @param scope The scope to write
* @param shard The shard to write
* @param directedEdgeMeta The edge meta data to use
*/
public MutationBatch writeShardMeta( ApplicationScope scope, Shard shard, DirectedEdgeMeta directedEdgeMeta );
/**
* Get an iterator of all meta data and types. Returns a range from High to low
* @param scope The organization scope
* @param start The shard time to start seeking from. Values <= this value will be returned.
* @param directedEdgeMeta The edge meta data to use
* @return
*/
public Iterator<Shard> getShardMetaData( ApplicationScope scope, Optional<Shard> start, DirectedEdgeMeta directedEdgeMeta);
/**
* Remove the shard from the edge meta data from the types.
* @param scope The scope of the application
* @param shard The shard to remove
* @param directedEdgeMeta The edge meta data to use
* @return
*/
public MutationBatch removeShardMeta( ApplicationScope scope, Shard shard, DirectedEdgeMeta directedEdgeMeta );
}