/* * 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 com.facebook.presto.spi.type; import com.fasterxml.jackson.annotation.JsonCreator; import com.fasterxml.jackson.annotation.JsonValue; import java.util.Optional; public enum ParameterKind { TYPE(Optional.of("TYPE_SIGNATURE")), NAMED_TYPE(Optional.of("NAMED_TYPE_SIGNATURE")), LONG(Optional.of("LONG_LITERAL")), VARIABLE(Optional.empty()); // TODO: drop special serialization code as soon as all clients // migrate to version which can deserialize new format. private final Optional<String> oldName; ParameterKind(Optional<String> oldName) { this.oldName = oldName; } @JsonValue public String jsonName() { return oldName.orElse(name()); } @JsonCreator public static ParameterKind fromJsonValue(String value) { for (ParameterKind kind : values()) { if (kind.oldName.isPresent() && kind.oldName.get().equals(value)) { return kind; } if (kind.name().equals(value)) { return kind; } } throw new IllegalArgumentException("Invalid serialized ParameterKind value: " + value); } }