| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.flink.statefun.sdk.java; |
| |
| import java.time.Duration; |
| import java.util.Objects; |
| import org.apache.flink.statefun.sdk.java.types.Type; |
| import org.apache.flink.statefun.sdk.java.types.Types; |
| import org.apache.flink.statefun.sdk.shaded.com.google.protobuf.ByteString; |
| |
| public final class ValueSpec<T> { |
| |
| public static Untyped named(String name) { |
| Objects.requireNonNull(name); |
| return new Untyped(name); |
| } |
| |
| private final String name; |
| private final Expiration expiration; |
| private final Type<T> type; |
| private final ByteString nameByteString; |
| |
| private ValueSpec(Untyped untyped, Type<T> type) { |
| Objects.requireNonNull(untyped); |
| Objects.requireNonNull(type); |
| this.name = untyped.stateName; |
| this.expiration = untyped.expiration; |
| this.type = Objects.requireNonNull(type); |
| this.nameByteString = ByteString.copyFromUtf8(untyped.stateName); |
| } |
| |
| public String name() { |
| return name; |
| } |
| |
| public Expiration expiration() { |
| return expiration; |
| } |
| |
| public TypeName typeName() { |
| return type.typeName(); |
| } |
| |
| public Type<T> type() { |
| return type; |
| } |
| |
| ByteString nameByteString() { |
| return nameByteString; |
| } |
| |
| public static final class Untyped { |
| private final String stateName; |
| private Expiration expiration = Expiration.none(); |
| |
| public Untyped(String name) { |
| this.stateName = Objects.requireNonNull(name); |
| } |
| |
| public Untyped thatExpireAfterWrite(Duration duration) { |
| this.expiration = Expiration.expireAfterWriting(duration); |
| return this; |
| } |
| |
| public Untyped thatExpiresAfterReadOrWrite(Duration duration) { |
| this.expiration = Expiration.expireAfterReadingOrWriting(duration); |
| return this; |
| } |
| |
| public ValueSpec<Integer> withIntType() { |
| return withCustomType(Types.integerType()); |
| } |
| |
| public ValueSpec<Long> withLongType() { |
| return withCustomType(Types.longType()); |
| } |
| |
| public ValueSpec<Float> withFloatType() { |
| return withCustomType(Types.floatType()); |
| } |
| |
| public ValueSpec<Double> withDoubleType() { |
| return withCustomType(Types.doubleType()); |
| } |
| |
| public ValueSpec<String> withUtf8StringType() { |
| return withCustomType(Types.stringType()); |
| } |
| |
| public ValueSpec<Boolean> withBooleanType() { |
| return new ValueSpec<>(this, Types.booleanType()); |
| } |
| |
| public <T> ValueSpec<T> withCustomType(Type<T> type) { |
| Objects.requireNonNull(type); |
| return new ValueSpec<>(this, type); |
| } |
| } |
| } |