我正在使用Genson
反序列化我的OpenCard
类。该类的定义如下:
package com.opencard.contracts;
@Getter
@NoArgsConstructor
@EqualsAndHashCode(onlyExplicitlyIncluded = true)
@ToString
@DataType()
public final class OpenCard {
@Property() @EqualsAndHashCode.Include
private String cardNumber;
@Property()
private int cardCVV;
@Property()
private Date validFrom;
@Property()
private Date validTo;
@Property()
private String cardOwner;
@Property()
private List<Account> linkedAccounts;
@Property()
private Account primaryAccount;
public OpenCard(@JsonProperty("cardNumber") final String cardNumber,
@JsonProperty("cardCVV") final int cardCVV,
@JsonProperty("validFrom") final Date validFrom,
@JsonProperty("validTo") final Date validTo,
@JsonProperty("cardOwner") final String cardOwner,
@JsonProperty("linkedAccounts") final List<Account> linkedAccounts,
@JsonProperty("primaryAccount") final Account primaryAccount) {
this.cardNumber = cardNumber;
this.cardCVV = cardCVV;
this.validFrom = validFrom;
this.validTo = validTo;
this.cardOwner = cardOwner;
this.linkedAccounts = linkedAccounts;
this.primaryAccount = primaryAccount;
}
public Account linkAccount(final Account newAccount) throws IllegalArgumentException {
if (this.linkedAccounts.contains(newAccount)) {
throw new IllegalArgumentException("Account has already been linked");
}
this.linkedAccounts.add(newAccount);
return newAccount;
}
public void unlinkAccount(final String accountNumber) {
this.linkedAccounts = this.linkedAccounts
.stream()
.filter(account -> (account.getBranchCode().concat(account.getAccountNumber()).equals(accountNumber)))
.collect(Collectors.toList());
}
public void setPrimaryAccount(final String accountNumber) {
this.linkedAccounts.forEach(account -> {
if (account.getBranchCode().concat(account.getAccountNumber()).equals(accountNumber)) {
this.primaryAccount = account;
}
});
}
}
如果我调用构造函数,linkAccount
方法和unlinkAccount
方法,则序列化工作正常。但是,当我调用setPrimaryAccount
方法时,无法使用getOpenCard
方法获得更新的反序列化对象。我正在使用Genson
进行序列化和反序列化,如下所示:
// Serialization
public String setPrimaryAccountForCard(final Context ctx, final String cardNumber,
final int cvv, final String branchCode,
final String accountNumber) {
try {
ChaincodeStub stub = ctx.getStub();
String cardState = stub.getStringState(cardNumber);
if (cardState.isEmpty()) {
String errorMessage = String.format("Card %s does not exist", cardNumber);
throw new ChaincodeException(errorMessage);
}
OpenCard card = genson.deserialize(cardState, OpenCard.class);
if (card.getCardCVV() != cvv) {
String errorMessage = String.format("Invalid CVV provided for card %s", cardNumber);
throw new ChaincodeException(errorMessage);
}
card.setPrimaryAccount(branchCode.concat(accountNumber));
String updatedOpenCardState = genson.serialize(card);
stub.putStringState(cardNumber, updatedOpenCardState);
return String.format("Account %s set as primary account", branchCode.concat(accountNumber));
} catch (Exception e) {
throw new ChaincodeException(e.getMessage());
}
}
// Deserialization
public OpenCard getOpenCard(final Context ctx, final String cardNumber) {
try {
ChaincodeStub stub = ctx.getStub();
String cardState = stub.getStringState(cardNumber);
if (cardState.isEmpty()) {
String errorMessage = String.format("Card %s does not exist", cardNumber);
throw new ChaincodeException(errorMessage);
}
return genson.deserialize(cardState, OpenCard.class);
} catch (Exception e) {
throw new ChaincodeException(e.getMessage());
}
}
我遇到以下错误:
// Error logs
07:30:17:064 SEVERE org.hyperledger.fabric.Logger error
Could not deserialize to type class com.opencard.contracts.OpenCardorg.hyperledger.fabric.shim.ChaincodeException: Could not deserialize to type class com.opencard.contracts.OpenCard
at com.opencard.contracts.OpenCardContract.getOpenCard(OpenCardContract.java:82)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.hyperledger.fabric.contract.execution.impl.ContractExecutionService.executeRequest(ContractExecutionService.java:61)
at org.hyperledger.fabric.contract.ContractRouter.processRequest(ContractRouter.java:115)
at org.hyperledger.fabric.contract.ContractRouter.invoke(ContractRouter.java:126)
at org.hyperledger.fabric.shim.impl.ChaincodeInvocationTask.call(ChaincodeInvocationTask.java:91)
at org.hyperledger.fabric.shim.impl.InvocationTaskManager.lambda$newTask$17(InvocationTaskManager.java:225)
at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1736)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
我刚开始使用Genson
。有人可以建议我要去哪里了吗?