| /* |
| * 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.brooklyn.core.sensor; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.net.InetAddress; |
| import java.net.URI; |
| import java.net.URL; |
| |
| import javax.annotation.Nullable; |
| |
| import org.apache.brooklyn.api.sensor.AttributeSensor; |
| import org.apache.brooklyn.api.sensor.AttributeSensor.SensorPersistenceMode; |
| import org.apache.brooklyn.core.config.render.RendererHints; |
| import org.apache.brooklyn.util.net.UserAndHostAndPort; |
| import org.apache.brooklyn.util.text.StringFunctions; |
| import org.apache.brooklyn.util.time.Duration; |
| import org.apache.brooklyn.util.time.Time; |
| |
| import com.google.common.annotations.Beta; |
| import com.google.common.base.Function; |
| import com.google.common.net.HostAndPort; |
| import com.google.common.reflect.TypeToken; |
| |
| public class Sensors { |
| |
| @Beta |
| public static <T> Builder<T> builder(TypeToken<T> type, String name) { |
| return new Builder<T>().type(type).name(name); |
| } |
| |
| @Beta |
| public static <T> Builder<T> builder(Class<T> type, String name) { |
| return new Builder<T>().type(type).name(name); |
| } |
| |
| @Beta |
| public static class Builder<T> { |
| private String name; |
| private Class<T> typeC; |
| private TypeToken<T> typeT; |
| private String description; |
| private SensorPersistenceMode persistence = SensorPersistenceMode.REQUIRED; |
| |
| protected Builder() { // use builder(type, name) instead |
| } |
| public Builder<T> name(String val) { |
| this.name = checkNotNull(val, "name"); return this; |
| } |
| public Builder<T> type(Class<T> val) { |
| this.typeC = val; return this; |
| } |
| public Builder<T> type(TypeToken<T> val) { |
| this.typeT = val; return this; |
| } |
| public Builder<T> description(String val) { |
| this.description = val; return this; |
| } |
| public Builder<T> persistence(SensorPersistenceMode val) { |
| this.persistence = val; return this; |
| } |
| public AttributeSensor<T> build() { |
| return new BasicAttributeSensor<T>(typeC, typeT, name, description, persistence); |
| } |
| } |
| |
| public static <T> AttributeSensor<T> newSensor(Class<T> type, String name) { |
| return new BasicAttributeSensor<T>(type, name); |
| } |
| |
| public static <T> AttributeSensor<T> newSensor(TypeToken<T> type, String name) { |
| return new BasicAttributeSensor<T>(type, name); |
| } |
| |
| public static <T> AttributeSensor<T> newSensor(Class<T> type, String name, String description) { |
| return new BasicAttributeSensor<T>(type, name, description); |
| } |
| |
| public static <T> AttributeSensor<T> newSensor(TypeToken<T> type, String name, String description) { |
| return new BasicAttributeSensor<T>(type, name, description); |
| } |
| |
| public static AttributeSensor<String> newStringSensor(String name) { |
| return newSensor(String.class, name); |
| } |
| |
| public static AttributeSensor<String> newStringSensor(String name, String description) { |
| return newSensor(String.class, name, description); |
| } |
| |
| public static AttributeSensor<Integer> newIntegerSensor(String name) { |
| return newSensor(Integer.class, name); |
| } |
| |
| public static AttributeSensor<Integer> newIntegerSensor(String name, String description) { |
| return newSensor(Integer.class, name, description); |
| } |
| |
| public static AttributeSensor<Long> newLongSensor(String name) { |
| return newSensor(Long.class, name); |
| } |
| |
| public static AttributeSensor<Long> newLongSensor(String name, String description) { |
| return newSensor(Long.class, name, description); |
| } |
| |
| public static AttributeSensor<Double> newDoubleSensor(String name) { |
| return newSensor(Double.class, name); |
| } |
| |
| public static AttributeSensor<Double> newDoubleSensor(String name, String description) { |
| return newSensor(Double.class, name, description); |
| } |
| |
| public static AttributeSensor<Boolean> newBooleanSensor(String name) { |
| return newSensor(Boolean.class, name); |
| } |
| |
| public static AttributeSensor<Boolean> newBooleanSensor(String name, String description) { |
| return newSensor(Boolean.class, name, description); |
| } |
| |
| // Extensions to sensors |
| |
| public static <T> AttributeSensor<T> newSensorRenamed(String newName, AttributeSensor<T> sensor) { |
| return new BasicAttributeSensor<T>(sensor.getTypeToken(), newName, sensor.getDescription()); |
| } |
| |
| public static <T> AttributeSensor<T> newSensorWithPrefix(String prefix, AttributeSensor<T> sensor) { |
| return newSensorRenamed(prefix+sensor.getName(), sensor); |
| } |
| |
| // Display hints for common utility objects |
| |
| static { |
| RendererHints.register(Duration.class, RendererHints.displayValue(Time.fromDurationToTimeStringRounded())); |
| RendererHints.register(HostAndPort.class, RendererHints.displayValue(StringFunctions.toStringFunction())); |
| RendererHints.register(UserAndHostAndPort.class, RendererHints.displayValue(StringFunctions.toStringFunction())); |
| RendererHints.register(InetAddress.class, RendererHints.displayValue(new Function<InetAddress,String>() { |
| @Override |
| public String apply(@Nullable InetAddress input) { |
| return input == null ? null : input.getHostAddress(); |
| } |
| })); |
| |
| RendererHints.register(URL.class, RendererHints.displayValue(StringFunctions.toStringFunction())); |
| RendererHints.register(URL.class, RendererHints.openWithUrl(StringFunctions.toStringFunction())); |
| RendererHints.register(URI.class, RendererHints.displayValue(StringFunctions.toStringFunction())); |
| RendererHints.register(URI.class, RendererHints.openWithUrl(StringFunctions.toStringFunction())); |
| } |
| |
| } |