content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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 org.activiti.standalone.deploy;
  
  import org.activiti.engine.impl.persistence.deploy.DeploymentCache;
  import org.activiti.engine.impl.persistence.deploy.ProcessDefinitionCacheEntry;
  import org.activiti.engine.repository.ProcessDefinition;
  
  /**
   * Very simplistic cache implementation that only caches one process definition.
   *
  
   */
  public class CustomDeploymentCache implements DeploymentCache<ProcessDefinitionCacheEntry> {
  
      protected String id;
      protected ProcessDefinitionCacheEntry entry;
  
      @Override
      public ProcessDefinitionCacheEntry get(String id) {
          if (id.equals(this.id)) {
              return entry;
          }
          return null;
      }
  
      @Override
      public void add(String id, ProcessDefinitionCacheEntry object) {
          this.id = id;
          this.entry = object;
      }
  
      @Override
      public void remove(String id) {
          if (id.equals(this.id)) {
              this.id = null;
              this.entry = null;
          }
      }
  
      @Override
      public void clear() {
          this.id = null;
          this.entry = null;
      }
  
      @Override
      public boolean contains(String id) {
          return id.equals(this.id);
      }
  
      // For testing purposes only
      public ProcessDefinition getCachedProcessDefinition() {
          if (entry == null) {
              return null;
          }
          return entry.getProcessDefinition();
      }
  }
  