Github user keith-turner commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/46#discussion_r39093685
--- Diff:
core/src/main/java/org/apache/accumulo/core/sample/impl/SamplerConfigurationImpl.java
---
@@ -0,0 +1,181 @@
+/*
+ * 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.accumulo.core.sample.impl;
+
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.apache.accumulo.core.client.admin.SamplerConfiguration;
+import org.apache.accumulo.core.conf.AccumuloConfiguration;
+import org.apache.accumulo.core.conf.Property;
+import org.apache.accumulo.core.tabletserver.thrift.TSamplerConfiguration;
+import org.apache.accumulo.core.util.Pair;
+import org.apache.hadoop.io.Writable;
+
+public class SamplerConfigurationImpl implements Writable {
+ private String className;
+ private Map<String,String> options;
+
+ public SamplerConfigurationImpl(DataInput in) throws IOException {
+ readFields(in);
+ }
+
+ public SamplerConfigurationImpl(SamplerConfiguration sc) {
+ this.className = sc.getSamplerClassName();
+ this.options = new HashMap<>(sc.getOptions());
+ }
+
+ public SamplerConfigurationImpl(String className, Map<String,String>
options) {
+ this.className = className;
+ this.options = options;
+ }
+
+ public SamplerConfigurationImpl() {}
+
+ public String getClassName() {
+ return className;
+ }
+
+ public Map<String,String> getOptions() {
+ return Collections.unmodifiableMap(options);
+ }
+
+ @Override
+ public int hashCode() {
+ return 31 * className.hashCode() + options.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (o instanceof SamplerConfigurationImpl) {
+ SamplerConfigurationImpl osc = (SamplerConfigurationImpl) o;
+
+ return className.equals(osc.className) &&
options.equals(osc.options);
+ }
+
+ return false;
+ }
+
+ @Override
+ public void write(DataOutput out) throws IOException {
--- End diff --
I was thinking about this. This class is persisted in RFile. I am
uncertain about introducing thrift into RFile's persistence. I don't have a
good reason not too, it just gives me pause (some of the RPC incompatibilities
introduced between Thrift 0.9.0 and 0.9.1 are what make me hesitate).
Personally I would be more comfortable using protobuf in RFiles persistence,
but that would be a new project dependency. Also if we ever move away from
thrift for RPC, RFile would still have to use thrift.
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