| /* |
| * 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.geronimo.microprofile.metrics.extension.common; |
| |
| import java.util.Objects; |
| import java.util.function.DoubleSupplier; |
| |
| public class Definition { |
| private final String name; |
| private final String displayName; |
| private final String description; |
| private final String unit; |
| private final DoubleSupplier evaluator; |
| |
| private final int hash; |
| |
| public Definition(final String name, final String displayName, final String description, |
| final String unit, final ThrowingSupplier<Number> evaluator) { |
| this.name = name; |
| this.displayName = displayName; |
| this.description = description; |
| this.unit = unit; |
| this.evaluator = () -> { |
| try { |
| return evaluator.get().doubleValue(); |
| } catch (final Throwable throwable) { |
| return -1; |
| } |
| }; |
| |
| this.hash = Objects.hash(name); |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public String getDisplayName() { |
| return displayName; |
| } |
| |
| public String getDescription() { |
| return description; |
| } |
| |
| public String getUnit() { |
| return unit; |
| } |
| |
| public DoubleSupplier getEvaluator() { |
| return evaluator; |
| } |
| |
| @Override |
| public boolean equals(final Object that) { |
| if (this == that) { |
| return true; |
| } |
| if (that == null || getClass() != that.getClass()) { |
| return false; |
| } |
| return Objects.equals(name, Definition.class.cast(that).name); |
| } |
| |
| @Override |
| public int hashCode() { |
| return hash; |
| } |
| } |