Github user isper3at commented on a diff in the pull request: https://github.com/apache/incubator-rya/pull/251#discussion_r153263364 --- Diff: extras/rya.pcj.fluo/pcj.fluo.app/src/main/java/org/apache/rya/indexing/pcj/fluo/app/util/BindingHashShardingFunction.java --- @@ -0,0 +1,159 @@ +/* + * 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.rya.indexing.pcj.fluo.app.util; + +import static org.apache.rya.indexing.pcj.fluo.app.IncrementalUpdateConstants.NODEID_BS_DELIM; +import static org.apache.rya.indexing.pcj.storage.accumulo.BindingSetStringConverter.TYPE_DELIM; + +import org.apache.fluo.api.data.Bytes; +import org.apache.fluo.api.data.Bytes.BytesBuilder; +import org.apache.rya.api.domain.RyaType; +import org.apache.rya.api.resolver.RdfToRyaConversions; +import org.apache.rya.indexing.pcj.storage.accumulo.BindingSetStringConverter; +import org.apache.rya.indexing.pcj.storage.accumulo.VariableOrder; +import org.apache.rya.indexing.pcj.storage.accumulo.VisibilityBindingSet; +import org.openrdf.model.Value; + +import com.google.common.base.Preconditions; +import com.google.common.base.Strings; +import com.google.common.hash.Hashing; + +/** + * This class adds and removes a hash to and from the rowId for sharding purposes. --- End diff -- adds or removes? if it does both....
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