| /* |
| * 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.internal.offheap; |
| |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.geode.DataSerializer; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.internal.DSCODE; |
| import org.apache.geode.internal.DataSerializableFixedID; |
| import org.apache.geode.internal.InternalDataSerializer; |
| import org.apache.geode.internal.cache.RegionEntry; |
| import org.apache.geode.internal.lang.StringUtils; |
| |
| public abstract class AbstractStoredObject implements StoredObject { |
| @Override |
| public Object getValueAsDeserializedHeapObject() { |
| return getDeserializedValue(null, null); |
| } |
| |
| @Override |
| public byte[] getValueAsHeapByteArray() { |
| if (isSerialized()) { |
| return getSerializedValue(); |
| } else { |
| return (byte[]) getDeserializedForReading(); |
| } |
| } |
| |
| @Override |
| public String getStringForm() { |
| try { |
| return StringUtils.forceToString(getDeserializedForReading()); |
| } catch (RuntimeException ex) { |
| return "Could not convert object to string because " + ex; |
| } |
| } |
| |
| @Override |
| public Object getDeserializedForReading() { |
| return getDeserializedValue(null, null); |
| } |
| |
| @Override |
| public Object getDeserializedWritableCopy(Region r, RegionEntry re) { |
| return getDeserializedValue(null, null); |
| } |
| |
| @Override |
| public Object getValue() { |
| if (isSerialized()) { |
| return getSerializedValue(); |
| } else { |
| throw new IllegalStateException( |
| "Can not call getValue on StoredObject that is not serialized"); |
| } |
| } |
| |
| @Override |
| public void writeValueAsByteArray(DataOutput out) throws IOException { |
| DataSerializer.writeByteArray(getSerializedValue(), out); |
| } |
| |
| @Override |
| public void sendTo(DataOutput out) throws IOException { |
| if (isSerialized()) { |
| out.write(getSerializedValue()); |
| } else { |
| Object objToSend = (byte[]) getDeserializedForReading(); // deserialized as a byte[] |
| DataSerializer.writeObject(objToSend, out); |
| } |
| } |
| |
| @Override |
| public void sendAsByteArray(DataOutput out) throws IOException { |
| byte[] bytes; |
| if (isSerialized()) { |
| bytes = getSerializedValue(); |
| } else { |
| bytes = (byte[]) getDeserializedForReading(); |
| } |
| DataSerializer.writeByteArray(bytes, out); |
| |
| } |
| |
| @Override |
| public void sendAsCachedDeserializable(DataOutput out) throws IOException { |
| if (!isSerialized()) { |
| throw new IllegalStateException( |
| "sendAsCachedDeserializable can only be called on serialized StoredObjects"); |
| } |
| InternalDataSerializer.writeDSFIDHeader(DataSerializableFixedID.VM_CACHED_DESERIALIZABLE, out); |
| sendAsByteArray(out); |
| } |
| |
| @Override |
| public boolean usesHeapForStorage() { |
| return false; |
| } |
| |
| @Override |
| public boolean isSerializedPdxInstance() { |
| if (!isSerialized()) { |
| return false; |
| } |
| byte dsCode = this.readDataByte(0); |
| return dsCode == DSCODE.PDX.toByte() || dsCode == DSCODE.PDX_ENUM.toByte() |
| || dsCode == DSCODE.PDX_INLINE_ENUM.toByte(); |
| } |
| |
| @Override |
| public StoredObject getStoredObjectWithoutHeapForm() { |
| // the only implementation that needs to override this |
| // is OffHeapStoredObjectWithHeapForm. |
| return this; |
| } |
| |
| } |