use of com.jd.blockchain.ledger.core.DatasetHelper.TypeMapper in project jdchain-core by blockchain-jd-com.
the class MerkleComplecatedAccount method initializeDatasets.
private void initializeDatasets(HashDigest headerRoot, HashDigest dataRoot, CryptoSetting cryptoSetting, Bytes keyPrefix, ExPolicyKVStorage exStorage, VersioningKVStorage verStorage, boolean readonly) {
// // 加载“根数据集”
// this.rootDataset = new MerkleHashDataset(rootHash, cryptoSetting, keyPrefix, exStorage, verStorage, readonly);
// 初始化数据修改监听器;
DataChangedListener<String, TypedValue> dataChangedListener = new DataChangedListener<String, TypedValue>() {
@Override
public void onChanged(String key, TypedValue value, long expectedVersion, long newVersion) {
onUpdated(key, value, expectedVersion, newVersion);
}
};
TypeMapper<byte[], TypedValue> valueMapper = new TypeMapper<byte[], TypedValue>() {
@Override
public byte[] encode(TypedValue t2) {
return BinaryProtocol.encode(t2, BytesValue.class);
}
@Override
public TypedValue decode(byte[] t1) {
BytesValue v = BinaryProtocol.decode(t1, BytesValue.class);
return TypedValue.wrap(v);
}
};
// 加载“头数据集”;
// HashDigest headerRoot = loadHeaderRoot();
Bytes headerPrefix = keyPrefix.concat(HEADER_PREFIX);
this.headerDataset = new MerkleHashDataset(headerRoot, cryptoSetting, headerPrefix, exStorage, verStorage, readonly);
this.typedHeader = DatasetHelper.listen(DatasetHelper.map(headerDataset, valueMapper), dataChangedListener);
// 加载“主数据集”
// HashDigest dataRoot = loadDataRoot();
Bytes dataPrefix = keyPrefix.concat(DATA_PREFIX);
this.dataDataset = new MerkleHashDataset(dataRoot, cryptoSetting, dataPrefix, exStorage, verStorage, readonly);
this.typedData = DatasetHelper.listen(DatasetHelper.map(dataDataset, valueMapper), dataChangedListener);
}
use of com.jd.blockchain.ledger.core.DatasetHelper.TypeMapper in project jdchain-core by blockchain-jd-com.
the class KvComplecatedAccount method initializeDatasets.
private void initializeDatasets(HashDigest headerRoot, HashDigest dataRoot, CryptoSetting cryptoSetting, Bytes keyPrefix, ExPolicyKVStorage exStorage, VersioningKVStorage verStorage, boolean readonly) {
// 初始化数据修改监听器;
DataChangedListener<String, TypedValue> dataChangedListenerHeader = new DataChangedListener<String, TypedValue>() {
@Override
public void onChanged(String key, TypedValue value, long expectedVersion, long newVersion) {
onUpdated(key, value, "header", expectedVersion, newVersion);
}
};
DataChangedListener<String, TypedValue> dataChangedListenerData = new DataChangedListener<String, TypedValue>() {
@Override
public void onChanged(String key, TypedValue value, long expectedVersion, long newVersion) {
onUpdated(key, value, "data", expectedVersion, newVersion);
}
};
TypeMapper<byte[], TypedValue> valueMapper = new TypeMapper<byte[], TypedValue>() {
@Override
public byte[] encode(TypedValue t2) {
return BinaryProtocol.encode(t2, BytesValue.class);
}
@Override
public TypedValue decode(byte[] t1) {
BytesValue v = BinaryProtocol.decode(t1, BytesValue.class);
return TypedValue.wrap(v);
}
};
// 加载“头数据集”;
// HashDigest headerRoot = loadHeaderRoot();
Bytes headerPrefix = keyPrefix.concat(HEADER_PREFIX);
this.headerDataset = new KvDataset(preblockHeight, headerRoot, DatasetType.HDKVS, cryptoSetting, headerPrefix, exStorage, verStorage, readonly);
this.typedHeader = DatasetHelper.listen(DatasetHelper.map(headerDataset, valueMapper), dataChangedListenerHeader);
// 加载“主数据集”
// HashDigest dataRoot = loadDataRoot();
Bytes dataPrefix = keyPrefix.concat(DATA_PREFIX);
this.dataDataset = new KvDataset(preblockHeight, dataRoot, DatasetType.DTKVS, cryptoSetting, dataPrefix, exStorage, verStorage, readonly);
this.typedData = DatasetHelper.listen(DatasetHelper.map(dataDataset, valueMapper), dataChangedListenerData);
}
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