content: /*
   * 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 com.alibaba.compileflow.engine.core.version;
  
  import com.alibaba.compileflow.engine.core.extension.ExtensionContext;
  
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Objects;
  
  /**
   * Immutable context passed to {@link VersionSelector} for deciding the version.
   * minimal fields to avoid overdesign.
   *
   * @author yusu
   */
  public final class VersionSelectContext implements ExtensionContext {
  
      private final String processCode;
      private final Map<String, Object> context;
  
      private VersionSelectContext(Builder builder) {
          this.processCode = builder.processCode;
          this.context = Collections.unmodifiableMap(new HashMap<>(builder.context));
      }
  
      public static Builder builder(String processCode) {
          return new Builder(processCode);
      }
  
      public String getProcessCode() {
          return processCode;
      }
  
      public Map<String, Object> getContext() {
          return context;
      }
  
      public static final class Builder {
          private final String processCode;
          private Map<String, Object> context = new HashMap<>();
  
          private Builder(String processCode) {
              this.processCode = Objects.requireNonNull(processCode, "processCode");
          }
  
          public Builder context(Map<String, Object> ctx) {
              this.context = ctx != null ? new HashMap<>(ctx) : new HashMap<>();
              return this;
          }
  
          public VersionSelectContext build() {
              return new VersionSelectContext(this);
          }
      }
  }
  
  
  