Here you can find the source of getRandomTenantId()
public static String getRandomTenantId()
//package com.java2s; /*//from w w w . ja v a2s . com * Copyright 2014-2015 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. */ import java.util.UUID; import java.util.concurrent.atomic.AtomicInteger; public class Main { private static final String TENANT_PREFIX = UUID.randomUUID().toString(); private static final AtomicInteger TENANT_ID_COUNTER = new AtomicInteger(0); public static String getRandomTenantId() { return "T" + TENANT_PREFIX + TENANT_ID_COUNTER.incrementAndGet(); } }