Java tutorial
/* * Copyright 2014-2017, Andrew Lindesay * Distributed under the terms of the MIT License. */ package org.haiku.haikudepotserver.dataobjects; import com.google.common.base.Preconditions; import com.google.common.base.Strings; import org.apache.cayenne.ObjectContext; import org.apache.cayenne.query.ObjectSelect; import org.haiku.haikudepotserver.dataobjects.auto._UserRatingStability; import org.haiku.haikudepotserver.dataobjects.support.Coded; import java.util.List; import java.util.Optional; public class UserRatingStability extends _UserRatingStability implements Coded { public final static String CODE_NOSTART = "nostart"; public final static String CODE_VERYUNSTABLE = "veryunstable"; public final static String CODE_UNSTABLEBUTUSABLE = "unstablebutusable"; public final static String CODE_MOSTLYSTABLE = "mostlystable"; public final static String CODE_STABLE = "stable"; public static Optional<UserRatingStability> getByCode(ObjectContext context, String code) { Preconditions.checkArgument(null != context, "the context must be supplied"); Preconditions.checkArgument(!Strings.isNullOrEmpty(code), "the code must be supplied"); return getAll(context).stream().filter((urs) -> urs.getCode().equals(code)).findFirst(); } public static List<UserRatingStability> getAll(ObjectContext context) { Preconditions.checkArgument(null != context, "the context must be supplied"); return ObjectSelect.query(UserRatingStability.class).orderBy(NAME.asc()).sharedCache().select(context); } public String getTitleKey() { return String.format("userRatingStability.%s.title", getCode()); } }