/* * 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.runtime.rest.messages; import org.apache.flink.util.AbstractID; import org.apache.flink.util.StringUtils; import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonGenerator; import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonParser; import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.DeserializationContext; import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.SerializerProvider; import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.annotation.JsonDeserialize; import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.annotation.JsonSerialize; import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.deser.std.StdDeserializer; import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.std.StdSerializer; import java.io.IOException; /** * Identifies a savepoint trigger request. */ @JsonSerialize(using = TriggerId.TriggerIdSerializer.class) @JsonDeserialize(using = TriggerId.TriggerIdDeserializer.class) public final class TriggerId extends AbstractID { private static final long serialVersionUID = 1L; public TriggerId() { } private TriggerId(final byte[] bytes) { super(bytes); } public static TriggerId fromHexString(String hexString) { return new TriggerId(StringUtils.hexStringToByte(hexString)); } /** * JSON serializer for {@link TriggerId}. */ public static class TriggerIdSerializer extends StdSerializer<TriggerId> { private static final long serialVersionUID = 1L; protected TriggerIdSerializer() { super(TriggerId.class); } @Override public void serialize( final TriggerId value, final JsonGenerator gen, final SerializerProvider provider) throws IOException { gen.writeString(value.toString()); } } /** * JSON deserializer for {@link TriggerId}. */ public static class TriggerIdDeserializer extends StdDeserializer<TriggerId> { private static final long serialVersionUID = 1L; protected TriggerIdDeserializer() { super(TriggerId.class); } @Override public TriggerId deserialize( final JsonParser p, final DeserializationContext ctxt) throws IOException { return TriggerId.fromHexString(p.getValueAsString()); } } }