Github user milleruntime commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/279#discussion_r127793774
--- Diff:
core/src/main/java/org/apache/accumulo/core/client/impl/AbstractId.java ---
@@ -0,0 +1,86 @@
+/*
+ * 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.client.impl;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+import static java.util.Objects.requireNonNull;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+/**
+ * An abstract identifier class for comparing equality of identifiers of
the same type.
+ */
+public abstract class AbstractId implements Comparable<AbstractId>,
Serializable {
+
+ private static final long serialVersionUID = -155513612834787244L;
+ private final String canonical;
+ private Integer hashCode = null;
+
+ protected AbstractId(final String canonical) {
+ requireNonNull(canonical, "canonical cannot be null");
+ this.canonical = canonical;
+ }
+
+ /**
+ * The canonical ID
+ */
+ public final String canonicalID() {
+ return canonical;
+ }
+
+ public boolean isEmpty() {
+ return canonical.isEmpty();
+ }
+
+ /**
+ * AbstractID objects are considered equal if, and only if, they are of
the same type and have the same canonical identifier.
+ */
+ @Override
+ public boolean equals(final Object obj) {
+ return obj != null && Objects.equals(getClass(), obj.getClass()) &&
Objects.equals(canonicalID(), ((AbstractId) obj).canonicalID());
+ }
+
+ @Override
+ public int hashCode() {
+ if (hashCode == null) {
+ hashCode = Objects.hash(canonicalID());
+ }
+ return hashCode;
+ }
+
+ /**
+ * Returns a string of the canonical ID
+ */
+ @Override
+ public String toString() {
+ return canonical;
+ }
+
+ /**
+ * Return a UTF_8 byte[] of the canonical ID.
+ */
+ public final byte[] getUtf8Bytes() {
+ return canonical.getBytes(UTF_8);
--- End diff --
Ok I like that. You don't need "bytes" in the name since that will be
forced by the return type
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