| /** |
| * 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.hadoop.hbase.hbtop; |
| |
| import edu.umd.cs.findbugs.annotations.NonNull; |
| import java.util.AbstractMap; |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.stream.Stream; |
| import org.apache.hadoop.hbase.hbtop.field.Field; |
| import org.apache.hadoop.hbase.hbtop.field.FieldValue; |
| import org.apache.hadoop.hbase.hbtop.field.FieldValueType; |
| import org.apache.yetus.audience.InterfaceAudience; |
| |
| import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableMap; |
| |
| /** |
| * Represents a record of the metrics in the top screen. |
| */ |
| @InterfaceAudience.Private |
| public final class Record implements Map<Field, FieldValue> { |
| |
| private final ImmutableMap<Field, FieldValue> values; |
| |
| public final static class Entry extends AbstractMap.SimpleImmutableEntry<Field, FieldValue> { |
| private Entry(Field key, FieldValue value) { |
| super(key, value); |
| } |
| } |
| |
| public final static class Builder { |
| |
| private final ImmutableMap.Builder<Field, FieldValue> builder; |
| |
| private Builder() { |
| builder = ImmutableMap.builder(); |
| } |
| |
| public Builder put(Field key, Object value) { |
| builder.put(key, key.newValue(value)); |
| return this; |
| } |
| |
| public Builder put(Field key, FieldValue value) { |
| builder.put(key, value); |
| return this; |
| } |
| |
| public Builder put(Entry entry) { |
| builder.put(entry); |
| return this; |
| } |
| |
| public Builder putAll(Map<Field, FieldValue> map) { |
| builder.putAll(map); |
| return this; |
| } |
| |
| public Record build() { |
| return new Record(builder.build()); |
| } |
| } |
| |
| public static Builder builder() { |
| return new Builder(); |
| } |
| |
| public static Entry entry(Field field, Object value) { |
| return new Entry(field, field.newValue(value)); |
| } |
| |
| public static Entry entry(Field field, FieldValue value) { |
| return new Entry(field, value); |
| } |
| |
| public static Record ofEntries(Entry... entries) { |
| return ofEntries(Stream.of(entries)); |
| } |
| |
| public static Record ofEntries(Stream<Entry> entries) { |
| return entries.collect(Record::builder, Builder::put, (r1, r2) -> {}).build(); |
| } |
| |
| private Record(ImmutableMap<Field, FieldValue> values) { |
| this.values = values; |
| } |
| |
| @Override |
| public int size() { |
| return values.size(); |
| } |
| |
| @Override |
| public boolean isEmpty() { |
| return values.isEmpty(); |
| } |
| |
| @Override |
| public boolean containsKey(Object key) { |
| return values.containsKey(key); |
| } |
| |
| @Override |
| public boolean containsValue(Object value) { |
| return values.containsValue(value); |
| } |
| |
| @Override |
| public FieldValue get(Object key) { |
| return values.get(key); |
| } |
| |
| @Override |
| public FieldValue put(Field key, FieldValue value) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public FieldValue remove(Object key) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void putAll(@NonNull Map<? extends Field, ? extends FieldValue> m) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void clear() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| @NonNull |
| public Set<Field> keySet() { |
| return values.keySet(); |
| } |
| |
| @Override |
| @NonNull |
| public Collection<FieldValue> values() { |
| return values.values(); |
| } |
| |
| @Override |
| @NonNull |
| public Set<Map.Entry<Field, FieldValue>> entrySet() { |
| return values.entrySet(); |
| } |
| |
| public Record combine(Record o) { |
| return ofEntries(values.keySet().stream() |
| .map(k -> { |
| if (k.getFieldValueType() == FieldValueType.STRING) { |
| return entry(k, values.get(k)); |
| } |
| return entry(k, values.get(k).plus(o.values.get(k))); |
| })); |
| } |
| } |