/* * 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 ); }