Java tutorial
/* * Copyright 2010 Proofpoint, Inc. * * Licensed 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 io.airlift.discovery; import com.fasterxml.jackson.annotation.JsonCreator; import com.fasterxml.jackson.annotation.JsonProperty; import com.google.common.base.Function; import com.google.common.collect.ImmutableMap; import javax.validation.constraints.NotNull; import java.util.Map; public class DynamicServiceAnnouncement { private final Id<Service> id; private final String type; private final Map<String, String> properties; @JsonCreator public DynamicServiceAnnouncement(@JsonProperty("id") Id<Service> id, @JsonProperty("type") String type, @JsonProperty("properties") Map<String, String> properties) { this.id = id; this.type = type; if (properties != null) { this.properties = ImmutableMap.copyOf(properties); } else { this.properties = null; } } @NotNull public Id<Service> getId() { return id; } @NotNull public String getType() { return type; } @NotNull public Map<String, String> getProperties() { return properties; } @Override public boolean equals(Object o) { if (this == o) { return true; } if (o == null || getClass() != o.getClass()) { return false; } DynamicServiceAnnouncement that = (DynamicServiceAnnouncement) o; if (id != null ? !id.equals(that.id) : that.id != null) { return false; } if (properties != null ? !properties.equals(that.properties) : that.properties != null) { return false; } if (type != null ? !type.equals(that.type) : that.type != null) { return false; } return true; } @Override public int hashCode() { int result = id != null ? id.hashCode() : 0; result = 31 * result + (type != null ? type.hashCode() : 0); result = 31 * result + (properties != null ? properties.hashCode() : 0); return result; } @Override public String toString() { return "ServiceAnnouncement{" + "id=" + id + ", type='" + type + '\'' + ", properties=" + properties + '}'; } public static Function<DynamicServiceAnnouncement, Service> toServiceWith(final Id<Node> nodeId, final String location, final String pool) { return new Function<DynamicServiceAnnouncement, Service>() { @Override public Service apply(DynamicServiceAnnouncement announcement) { return new Service(announcement.getId(), nodeId, announcement.getType(), pool, location, announcement.getProperties()); } }; } }