All Downloads are FREE. Search and download functionalities are using the official Maven repository.
Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
me.grapebaba.hyperledger.fabric.models.Block Maven / Gradle / Ivy
/*
* Copyright 2016 [email protected]
*
* 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 me.grapebaba.hyperledger.fabric.models;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.*;
/**
* Model of Block.
*/
public class Block {
private static final Logger LOG = LoggerFactory.getLogger(Block.class);
private List transactions;
private Timestamp timestamp;
private String transactionsHash;
private String stateHash;
private String previousBlockHash;
private String consensusMetadata;
private NonHashData nonHashData;
Block(final List transactions, final Timestamp timestamp, final String transactionsHash, final String stateHash, final String previousBlockHash, final String consensusMetadata, final NonHashData nonHashData) {
this.transactions = transactions;
this.timestamp = timestamp;
this.transactionsHash = transactionsHash;
this.stateHash = stateHash;
this.previousBlockHash = previousBlockHash;
this.consensusMetadata = consensusMetadata;
this.nonHashData = nonHashData;
}
/**
* Builder of Block.
*/
public static class BlockBuilder {
private List transactions;
private Timestamp timestamp;
private String transactionsHash;
private String stateHash;
private String previousBlockHash;
private String consensusMetadata;
private NonHashData nonHashData;
BlockBuilder() {
}
/**
* Set transaction.
*
* @param transaction transaction
* @return BlockBuilder
*/
public BlockBuilder transaction(final Transaction transaction) {
if (this.transactions == null) {
this.transactions = new ArrayList<>();
}
this.transactions.add(transaction);
return this;
}
/**
* Set a set of transaction.
*
* @param transactions transactions
* @return BlockBuilder
*/
public BlockBuilder transactions(final Collection transactions) {
if (this.transactions == null) {
this.transactions = new ArrayList<>();
}
this.transactions.addAll(transactions);
return this;
}
/**
* Clear transactions.
*
* @return BlockBuilder
*/
public BlockBuilder clearTransactions() {
if (this.transactions != null) {
this.transactions.clear();
}
return this;
}
/**
* Set timestamp.
*
* @param timestamp timestamp
* @return BlockBuilder
*/
public BlockBuilder timestamp(final Timestamp timestamp) {
this.timestamp = timestamp;
return this;
}
/**
* Set transactionsHash.
*
* @param transactionsHash transactionsHash
* @return BlockBuilder
*/
public BlockBuilder transactionsHash(final String transactionsHash) {
this.transactionsHash = transactionsHash;
return this;
}
/**
* Set stateHash.
*
* @param stateHash stateHash
* @return BlockBuilder
*/
public BlockBuilder stateHash(final String stateHash) {
this.stateHash = stateHash;
return this;
}
/**
* Set previousBlockHash.
*
* @param previousBlockHash previousBlockHash
* @return BlockBuilder
*/
public BlockBuilder previousBlockHash(final String previousBlockHash) {
this.previousBlockHash = previousBlockHash;
return this;
}
/**
* Set consensusMetadata.
*
* @param consensusMetadata consensusMetadata
* @return BlockBuilder
*/
public BlockBuilder consensusMetadata(final String consensusMetadata) {
this.consensusMetadata = consensusMetadata;
return this;
}
/**
* Set nonHashData
*
* @param nonHashData nonHashData
* @return BlockBuilder
*/
public BlockBuilder nonHashData(final NonHashData nonHashData) {
this.nonHashData = nonHashData;
return this;
}
/**
* Build Block.
*
* @return Block
*/
public Block build() {
List transactions;
switch (this.transactions == null ? 0 : this.transactions.size()) {
case 0:
transactions = Collections.emptyList();
break;
case 1:
transactions = Collections.singletonList(this.transactions.get(0));
break;
default:
transactions = Collections.unmodifiableList(new ArrayList<>(this.transactions));
}
return new Block(transactions, timestamp, transactionsHash, stateHash, previousBlockHash, consensusMetadata, nonHashData);
}
@Override
public String toString() {
return "Block.BlockBuilder(transactions=" + this.transactions + ", timestamp=" + this.timestamp + ", transactionsHash=" + this.transactionsHash + ", stateHash=" + this.stateHash + ", previousBlockHash=" + this.previousBlockHash + ", consensusMetadata=" + this.consensusMetadata + ", nonHashData=" + this.nonHashData + ")";
}
}
/**
* Create block builder.
*
* @return BlockBuilder
*/
public static BlockBuilder builder() {
return new BlockBuilder();
}
/**
* Get transactions.
*
* @return transactions
*/
public List getTransactions() {
return this.transactions;
}
/**
* Get timestamp.
*
* @return timestamp
*/
public Timestamp getTimestamp() {
return this.timestamp;
}
/**
* Get transactionsHash.
*
* @return transactionsHash
*/
public String getTransactionsHash() {
return this.transactionsHash;
}
/**
* Get stateHash.
*
* @return stateHash
*/
public String getStateHash() {
return this.stateHash;
}
/**
* Get previousBlockHash.
*
* @return previousBlockHash
*/
public String getPreviousBlockHash() {
return this.previousBlockHash;
}
/**
* Get consensusMetadata.
*
* @return consensusMetadata
*/
public String getConsensusMetadata() {
return this.consensusMetadata;
}
/**
* Get nonHashData.
*
* @return nonHashData
*/
public NonHashData getNonHashData() {
return this.nonHashData;
}
/**
* Set a set of transaction.
*
* @param transactions transactions
*/
public void setTransactions(final List transactions) {
this.transactions = transactions;
}
/**
* Set timestamp.
*
* @param timestamp timestamp
*/
public void setTimestamp(final Timestamp timestamp) {
this.timestamp = timestamp;
}
/**
* Set transactionsHash.
*
* @param transactionsHash transactionsHash
*/
public void setTransactionsHash(final String transactionsHash) {
this.transactionsHash = transactionsHash;
}
/**
* Set stateHash.
*
* @param stateHash stateHash
*/
public void setStateHash(final String stateHash) {
this.stateHash = stateHash;
}
/**
* Set previousBlockHash.
*
* @param previousBlockHash previousBlockHash
*/
public void setPreviousBlockHash(final String previousBlockHash) {
this.previousBlockHash = previousBlockHash;
}
/**
* Set consensusMetadata.
*
* @param consensusMetadata consensusMetadata
*/
public void setConsensusMetadata(final String consensusMetadata) {
this.consensusMetadata = consensusMetadata;
}
/**
* Set nonHashData.
*
* @param nonHashData nonHashData
*/
public void setNonHashData(final NonHashData nonHashData) {
this.nonHashData = nonHashData;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Block block = (Block) o;
return Objects.equals(transactions, block.transactions) &&
Objects.equals(timestamp, block.timestamp) &&
Objects.equals(transactionsHash, block.transactionsHash) &&
Objects.equals(stateHash, block.stateHash) &&
Objects.equals(previousBlockHash, block.previousBlockHash) &&
Objects.equals(consensusMetadata, block.consensusMetadata) &&
Objects.equals(nonHashData, block.nonHashData);
}
@Override
public int hashCode() {
return Objects.hash(transactions, timestamp, transactionsHash, stateHash, previousBlockHash, consensusMetadata, nonHashData);
}
@Override
public String toString() {
return "Block(transactions=" + this.getTransactions() + ", timestamp=" + this.getTimestamp() + ", transactionsHash=" + this.getTransactionsHash() + ", stateHash=" + this.getStateHash() + ", previousBlockHash=" + this.getPreviousBlockHash() + ", consensusMetadata=" + this.getConsensusMetadata() + ", nonHashData=" + this.getNonHashData() + ")";
}
}
