| /*========================================================================= |
| * Copyright (c) 2010-2014 Pivotal Software, Inc. All Rights Reserved. |
| * This product is protected by U.S. and international copyright |
| * and intellectual property laws. Pivotal products are covered by |
| * one or more patents listed at http://www.pivotal.io/patents. |
| *========================================================================= |
| */ |
| package com.gemstone.gemfire.pdx.internal; |
| |
| import java.nio.ByteBuffer; |
| |
| import com.gemstone.gemfire.internal.cache.GemFireCacheImpl; |
| import com.gemstone.gemfire.internal.tcp.ByteBufferInputStream.ByteSource; |
| import com.gemstone.gemfire.pdx.PdxFieldAlreadyExistsException; |
| import com.gemstone.gemfire.pdx.PdxUnreadFields; |
| |
| /** |
| * |
| * @author darrel |
| * @since 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. |
| GemFireCacheImpl gfc = GemFireCacheImpl.getInstance(); |
| if (gfc == null) return; |
| TypeRegistry tr = gfc.getPdxRegistry(); |
| PdxUnreadData ud = tr.getUnreadData(o); |
| if (ud != null && !ud.isEmpty()) { |
| tr.putUnreadData(copy, ud); |
| } |
| } |
| |
| public boolean isEmpty() { |
| return this.unreadData == null; |
| } |
| } |