Java tutorial
/* * $Revision$ * $Date$ * * Copyright (C) 1999-$year$ Jive Software. All rights reserved. * * This software is the proprietary information of Jive Software. Use is subject to license terms. */ package com.jivesoftware.os.tasmo.id; import com.fasterxml.jackson.annotation.JsonCreator; import com.fasterxml.jackson.annotation.JsonValue; import com.google.common.base.Preconditions; /** * Represents a tenant in the system. */ public class TenantId implements Comparable<TenantId> { private final String tenantId; @JsonCreator public TenantId(String tenantId) { Preconditions.checkNotNull(tenantId); tenantId = tenantId.trim(); Preconditions.checkArgument(tenantId.length() > 0); this.tenantId = tenantId; } @Override public boolean equals(Object o) { if (this == o) { return true; } if (o == null || getClass() != o.getClass()) { return false; } TenantId tenantId = (TenantId) o; return this.tenantId.equals(tenantId.tenantId); } @Override public int hashCode() { return tenantId != null ? tenantId.hashCode() : 0; } @JsonValue public String toStringForm() { return tenantId; } @Override public String toString() { return tenantId; } @Override public int compareTo(TenantId o) { return this.tenantId.compareTo(o.tenantId); } }