Example usage for org.springframework.data.util Pair of

Introduction

In this page you can find the example usage for org.springframework.data.util Pair of.

Prototype

public static <S, T> Pair<S, T> of(S first, T second) 

Source Link

Document

Creates a new Pair for the given elements.

Usage

From source file:com.ethercamp.harmony.service.BlockchainConsts.java

/**
 * Return pair of name and explorer url.
 *///from   w ww.  java 2 s.  c  o m
public static Pair<String, Optional<String>> getNetworkInfo(Environment env, String genesisHash) {
    final String networkNameKey = String.format("network.%s.networkName", genesisHash);
    final String explorerUrlKey = String.format("network.%s.explorerUrl", genesisHash);

    return Optional.ofNullable(env.getProperty(networkNameKey))
            .map(name -> Pair.of(name, Optional.ofNullable(env.getProperty(explorerUrlKey))))
            .orElse(Pair.of("Unknown network", Optional.empty()));
}

---

From source file:com.ethercamp.harmony.service.BlockchainInfoService.java

@Override
public void onApplicationEvent(ApplicationEvent event) {
    if (event instanceof EmbeddedServletContainerInitializedEvent) {
        serverPort = ((EmbeddedServletContainerInitializedEvent) event).getEmbeddedServletContainer().getPort();

        final boolean isPrivateNetwork = env.getProperty("networkProfile", "").equalsIgnoreCase("private");
        final boolean isClassicNetwork = env.getProperty("networkProfile", "").equalsIgnoreCase("classic");

        // find out network name
        final Optional<String> blockHash = Optional.ofNullable(blockchain.getBlockByNumber(0l))
                .map(block -> Hex.toHexString(block.getHash()));
        final Pair<String, Optional<String>> networkInfo;
        if (isPrivateNetwork) {
            networkInfo = Pair.of("Private Miner Network", Optional.empty());
        } else if (isClassicNetwork) {
            networkInfo = Pair.of("Classic ETC", Optional.empty());
        } else {/*from w  ww  .j av a 2  s .c o m*/
            networkInfo = blockHash
                    .flatMap(hash -> Optional.ofNullable(BlockchainConsts.getNetworkInfo(env, hash)))
                    .orElse(Pair.of("Unknown network", Optional.empty()));
        }

        final boolean isContractsFeatureEnabled = env.getProperty("feature.contract.enabled", "false")
                .equalsIgnoreCase("true");
        if (!isContractsFeatureEnabled) {
            VM.setVmHook(null);
            log.info("Disabled VM hook due to contracts feature disabled");
        }

        initialInfo.set(new InitialInfoDTO(config.projectVersion() + "-" + config.projectVersionModifier(),
                "Hash: " + BuildInfo.buildHash + ",   Created: " + BuildInfo.buildTime,
                env.getProperty("app.version"), networkInfo.getFirst(), networkInfo.getSecond().orElse(null),
                blockHash.orElse(null), System.currentTimeMillis(), Hex.toHexString(config.nodeId()),
                serverPort, isPrivateNetwork, env.getProperty("portCheckerUrl"), config.bindIp(),
                isContractsFeatureEnabled));

        final String ANSI_RESET = "\u001B[0m";
        final String ANSI_BLUE = "\u001B[34m";
        System.out.println("EthereumJ database dir location: " + systemProperties.databaseDir());
        System.out.println("EthereumJ keystore dir location: " + keystore.getKeyStoreLocation());
        System.out.println(ANSI_BLUE + "Server started at http://localhost:" + serverPort + "" + ANSI_RESET);

        if (!config.getConfig().hasPath("logs.keepStdOut")
                || !config.getConfig().getBoolean("logs.keepStdOut")) {
            createLogAppenderForMessaging();
        }
    }
}

---