Java tutorial
/* * Copyright 2014-2016 Red Hat, Inc. and/or its affiliates * and other contributors as indicated by the @author tags. * * 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 org.hawkular.metrics.model; import static com.google.common.base.Preconditions.checkArgument; import java.util.Map; import com.google.common.base.MoreObjects; import com.google.common.collect.ImmutableMap; /** * Hawkular Metrics provides multi-tenancy support. This means that all data is implicitly partitioned by tenant. Tags, * data retention, and pre-computed aggregates are also per-tenant. Note that data retention and pre-computed * aggregates * can be configured more narrowly, by tag and by individual metric. * * @author John Sanda */ public class Tenant { private final String id; private final Map<MetricType<?>, Integer> retentionSettings; public Tenant(String id) { this(id, null); } public Tenant(String id, Map<MetricType<?>, Integer> retentionSettings) { checkArgument(id != null, "Tenant id is null"); this.id = id; this.retentionSettings = retentionSettings == null ? ImmutableMap.of() : ImmutableMap.copyOf(retentionSettings); } public String getId() { return id; } public Map<MetricType<?>, Integer> getRetentionSettings() { return retentionSettings; } @Override public boolean equals(Object o) { if (this == o) { return true; } if (o == null || getClass() != o.getClass()) { return false; } Tenant tenant = (Tenant) o; return id.equals(tenant.id); } @Override public int hashCode() { return id.hashCode(); } @Override public String toString() { return MoreObjects.toStringHelper(this).add("id", id).add("retentionSettings", retentionSettings) .omitNullValues().toString(); } }