text: /*
   * 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.ignite.internal.pagemem.wal.record;
  
  import org.apache.ignite.IgniteCheckedException;
  import org.apache.ignite.IgniteException;
  import org.apache.ignite.internal.processors.cache.CacheObject;
  import org.apache.ignite.internal.processors.cache.GridCacheContext;
  import org.apache.ignite.internal.processors.cache.GridCacheOperation;
  import org.apache.ignite.internal.processors.cache.GridCacheSharedContext;
  import org.apache.ignite.internal.processors.cache.KeyCacheObject;
  import org.apache.ignite.internal.processors.cache.version.GridCacheVersion;
  import org.apache.ignite.internal.processors.cacheobject.IgniteCacheObjectProcessor;
  
  /**
   * Represents Data Entry ({@link #key}, {@link #val value}) pair update {@link #op operation}. <br>
   * This Data entry was not converted to key, value pair during record deserialization.
   */
  public class LazyDataEntry extends DataEntry implements MarshalledDataEntry {
      /** */
      private GridCacheSharedContext cctx;
  
      /** Data Entry key type code. See {@link CacheObject} for built-in value type codes */
      private byte keyType;
  
      /** Key value bytes. */
      private byte[] keyBytes;
  
      /** Data Entry Value type code. See {@link CacheObject} for built-in value type codes */
      private byte valType;
  
      /** Value value bytes. */
      private byte[] valBytes;
  
      /**
       * @param cctx Shared context.
       * @param cacheId Cache ID.
       * @param keyType Object type code for Key.
       * @param keyBytes Data Entry Key value bytes.
       * @param valType Object type code for Value.
       * @param valBytes Data Entry Value value bytes.
       * @param op Operation.
       * @param nearXidVer Near transaction version.
       * @param writeVer Write version.
       * @param expireTime Expire time.
       * @param partId Partition ID.
       * @param partCnt Partition counter.
       */
      public LazyDataEntry(
          GridCacheSharedContext cctx,
          int cacheId,
          byte keyType,
          byte[] keyBytes,
          byte valType,
          byte[] valBytes,
          GridCacheOperation op,
          GridCacheVersion nearXidVer,
          GridCacheVersion writeVer,
          long expireTime,
          int partId,
          long partCnt
      ) {
          super(cacheId, null, null, op, nearXidVer, writeVer, expireTime, partId, partCnt);
  
          this.cctx = cctx;
          this.keyType = keyType;
          this.keyBytes = keyBytes;
          this.valType = valType;
          this.valBytes = valBytes;
      }
  
      /** {@inheritDoc} */
      @Override public KeyCacheObject key() {
          try {
              if (key == null) {
                  GridCacheContext cacheCtx = cctx.cacheContext(cacheId);
  
                  if (cacheCtx == null)
                      throw new IgniteException("Failed to find cache context for the given cache ID: " + cacheId);
  
                  IgniteCacheObjectProcessor co = cctx.kernalContext().cacheObjects();
  
                  key = co.toKeyCacheObject(cacheCtx.cacheObjectContext(), keyType, keyBytes);
  
                  if (key.partition() == -1)
                      key.partition(partId);
              }
  
              return key;
          }
          catch (IgniteCheckedException e) {
              throw new IgniteException(e);
          }
      }
  
      /** {@inheritDoc} */
      @Override public CacheObject value() {
          if (val == null && valBytes != null) {
              GridCacheContext cacheCtx = cctx.cacheContext(cacheId);
  
              if (cacheCtx == null)
                  throw new IgniteException("Failed to find cache context for the given cache ID: " + cacheId);
  
              IgniteCacheObjectProcessor co = cctx.kernalContext().cacheObjects();
  
              val = co.toCacheObject(cacheCtx.cacheObjectContext(), valType, valBytes);
          }
  
          return val;
      }
  
      /** {@inheritDoc} */
      @Override public byte getKeyType() {
          return keyType;
      }
  
      /** {@inheritDoc} */
      @Override public byte[] getKeyBytes() {
          return keyBytes;
      }
  
      /** {@inheritDoc} */
      @Override public byte getValType() {
          return valType;
      }
  
      /** {@inheritDoc} */
      @Override public byte[] getValBytes() {
          return valBytes;
      }
  }
  