org.hyperledger.fabric.sdk.ChaincodeActionDeserializer Maven / Gradle / Ivy
/*
*
* Copyright 2016,2017 DTCC, Fujitsu Australia Software Technology, IBM - All Rights Reserved.
*
* 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.hyperledger.fabric.sdk;
import java.lang.ref.WeakReference;
import com.google.protobuf.ByteString;
import com.google.protobuf.InvalidProtocolBufferException;
import org.hyperledger.fabric.protos.ledger.rwset.Rwset.TxReadWriteSet;
import org.hyperledger.fabric.protos.peer.Chaincode;
import org.hyperledger.fabric.sdk.exception.InvalidProtocolBufferRuntimeException;
import static org.hyperledger.fabric.protos.peer.FabricProposal.ChaincodeAction;
class ChaincodeActionDeserializer {
private final ByteString byteString;
private WeakReference chaincodeAction;
ChaincodeActionDeserializer(ByteString byteString) {
this.byteString = byteString;
}
ChaincodeAction getChaincodeAction() {
ChaincodeAction ret = null;
if (chaincodeAction != null) {
ret = chaincodeAction.get();
}
if (ret == null) {
try {
ret = ChaincodeAction.parseFrom(byteString);
} catch (InvalidProtocolBufferException e) {
throw new InvalidProtocolBufferRuntimeException(e);
}
chaincodeAction = new WeakReference<>(ret);
}
return ret;
}
Chaincode.ChaincodeID getChaincodeID() {
Chaincode.ChaincodeID ret = null;
ChaincodeAction chaincodeAction = getChaincodeAction();
if (chaincodeAction.hasChaincodeId()) {
ret = chaincodeAction.getChaincodeId();
}
return ret;
}
ChaincodeEvent getEvent() {
ChaincodeAction ca = getChaincodeAction();
ByteString eventsBytes = ca.getEvents();
if (eventsBytes == null || eventsBytes.isEmpty()) {
return null;
}
return new ChaincodeEvent(eventsBytes);
}
TxReadWriteSet getResults() {
try {
return TxReadWriteSet.parseFrom(getChaincodeAction().getResults());
} catch (InvalidProtocolBufferException e) {
throw new InvalidProtocolBufferRuntimeException(e);
}
}
String getResponseMessage() {
return getChaincodeAction().getResponse().getMessage();
}
byte[] getResponseMessageBytes() {
return getChaincodeAction().getResponse().getMessageBytes().toByteArray();
}
int getResponseStatus() {
return getChaincodeAction().getResponse().getStatus();
}
ByteString getResponsePayload() {
return getChaincodeAction().getResponse().getPayload();
}
}