| /* |
| * 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.state; |
| |
| public abstract class StateBinder { |
| public abstract void bindValue(PersistedValue<?> persistedValue); |
| |
| public abstract void bindTable(PersistedTable<?, ?> persistedTable); |
| |
| public abstract void bindAppendingBuffer(PersistedAppendingBuffer<?> persistedAppendingBuffer); |
| |
| public final void bind(Object stateObject) { |
| if (stateObject instanceof PersistedValue) { |
| bindValue((PersistedValue<?>) stateObject); |
| } else if (stateObject instanceof PersistedTable) { |
| bindTable((PersistedTable<?, ?>) stateObject); |
| } else if (stateObject instanceof PersistedAppendingBuffer) { |
| bindAppendingBuffer((PersistedAppendingBuffer<?>) stateObject); |
| } else { |
| throw new IllegalArgumentException("Unknown persisted state object " + stateObject); |
| } |
| } |
| } |