| /* |
| * 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.geode.pdx.internal; |
| |
| import org.apache.geode.internal.cache.GemFireCacheImpl; |
| import org.apache.geode.internal.cache.InternalCache; |
| import org.apache.geode.internal.tcp.ByteBufferInputStream.ByteSource; |
| import org.apache.geode.pdx.PdxFieldAlreadyExistsException; |
| import org.apache.geode.pdx.PdxUnreadFields; |
| |
| /** |
| * @since GemFire 6.6 |
| */ |
| public class PdxUnreadData implements PdxUnreadFields { |
| |
| /** |
| * This is the original type of the blob that we deserialized and did not read some of its fields. |
| */ |
| private UnreadPdxType unreadType; |
| |
| private byte[][] unreadData; |
| |
| public PdxUnreadData() { |
| // initialize may be called later |
| } |
| |
| public PdxUnreadData(UnreadPdxType unreadType, PdxReaderImpl reader) { |
| initialize(unreadType, reader); |
| } |
| |
| public void initialize(UnreadPdxType unreadType, PdxReaderImpl reader) { |
| this.unreadType = unreadType; |
| int[] indexes = unreadType.getUnreadFieldIndexes(); |
| this.unreadData = new byte[indexes.length][]; |
| int i = 0; |
| for (int idx : indexes) { |
| |
| ByteSource field = reader.getRaw(idx); |
| |
| // Copy the unread data into a new byte array |
| this.unreadData[i] = new byte[field.capacity()]; |
| field.position(0); |
| field.get(this.unreadData[i]); |
| i++; |
| } |
| } |
| |
| public UnreadPdxType getUnreadType() { |
| return this.unreadType; |
| } |
| |
| /** |
| * Returns the PdxType to use when serializing this unread data. Returns null if we don't know |
| * what this type is yet. |
| * |
| * @return the PdxType to use when serializing this unread data. |
| */ |
| public PdxType getSerializedType() { |
| return getUnreadType().getSerializedType(); |
| } |
| |
| public void setSerializedType(PdxType t) { |
| getUnreadType().setSerializedType(t); |
| } |
| |
| public void sendTo(PdxWriterImpl writer) { |
| if (isEmpty()) |
| return; |
| int[] indexes = this.unreadType.getUnreadFieldIndexes(); |
| int i = 0; |
| while (i < this.unreadData.length) { |
| int idx = indexes[i]; |
| byte[] data = this.unreadData[i]; |
| PdxField ft = this.unreadType.getPdxFieldByIndex(idx); |
| try { |
| writer.writeRawField(ft, data); |
| } catch (PdxFieldAlreadyExistsException ex) { |
| // fix for bug 43133 |
| throw new PdxFieldAlreadyExistsException( |
| "Check the toData and fromData for " + this.unreadType.getClassName() |
| + " to see if the field \"" + ft.getFieldName() + "\" is spelled differently."); |
| } |
| i++; |
| } |
| } |
| |
| /** |
| * If o has unread data then add that unread data to copy. |
| */ |
| public static void copy(Object o, Object copy) { |
| // This method is only called by CopyHelper which is public and does not require that a Cache |
| // exists. |
| // So we need to call getInstance instead of getExisting. |
| InternalCache cache = GemFireCacheImpl.getInstance(); |
| if (cache == null) |
| return; |
| TypeRegistry tr = cache.getPdxRegistry(); |
| PdxUnreadData ud = tr.getUnreadData(o); |
| if (ud != null && !ud.isEmpty()) { |
| tr.putUnreadData(copy, ud); |
| } |
| } |
| |
| public boolean isEmpty() { |
| return this.unreadData == null; |
| } |
| } |