| /* |
| * Copyright 2014 Fluo authors (see AUTHORS) |
| * |
| * Licensed 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 io.fluo.stress.trie; |
| |
| import java.util.Map; |
| |
| import org.apache.fluo.api.client.Loader; |
| import org.apache.fluo.api.client.TransactionBase; |
| import org.apache.fluo.api.data.Column; |
| import org.apache.fluo.recipes.core.types.TypedSnapshotBase.Value; |
| import org.apache.fluo.recipes.core.types.TypedTransactionBase; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| /** |
| * Executes load transactions of numbers into trie at leaf node level |
| */ |
| public class NumberLoader implements Loader { |
| |
| private final Number number; |
| private Integer nodeSize = null; |
| |
| public NumberLoader(Integer num, int nodeSize) { |
| checkArgument(num >= 0, "Only positive numbers accepted"); |
| checkArgument((nodeSize <= 32) && ((32 % nodeSize) == 0), "nodeSize must be divisor of 32"); |
| this.number = num; |
| this.nodeSize = nodeSize; |
| } |
| |
| public NumberLoader(Long num) { |
| checkArgument(num >= 0, "Only positive numbers accepted"); |
| this.number = num; |
| } |
| |
| @Override |
| public void load(TransactionBase tx, Context context) throws Exception { |
| |
| if (nodeSize == null) { |
| nodeSize = context.getAppConfiguration().getInt(Constants.NODE_SIZE_PROP); |
| checkArgument((nodeSize <= 64) && ((64 % nodeSize) == 0), "nodeSize must be divisor of 64"); |
| } |
| int level = 64 / nodeSize; |
| |
| TypedTransactionBase ttx = Constants.TYPEL.wrap(tx); |
| |
| String rowId = new Node(number, level, nodeSize).getRowId(); |
| |
| Map<Column, Value> colVals = |
| ttx.get().row(rowId).columns(Constants.COUNT_SEEN_COL, Constants.COUNT_WAIT_COL); |
| |
| Integer seen = colVals.get(Constants.COUNT_SEEN_COL).toInteger(0); |
| if (seen == 0) { |
| Integer wait = colVals.get(Constants.COUNT_WAIT_COL).toInteger(0); |
| if (wait == 0) { |
| ttx.mutate().row(rowId).col(Constants.COUNT_WAIT_COL).set(1); |
| } |
| } |
| } |
| } |