Examples with Keyword clojure.lang.Keyword used on opensource projects

Example 11 with Keyword

use of clojure.lang.Keyword in project storm by apache.

the class ClojureBolt method prepare.

@Override
public void prepare(final Map stormConf, final TopologyContext context, final OutputCollector collector) {
    IFn hof = Utils.loadClojureFn(_fnSpec.get(0), _fnSpec.get(1));
    try {
        IFn preparer = (IFn) hof.applyTo(RT.seq(_params));
        final Map<Keyword, Object> collectorMap = new PersistentArrayMap(new Object[] { Keyword.intern(Symbol.create("output-collector")), collector, Keyword.intern(Symbol.create("context")), context });
        List<Object> args = new ArrayList<Object>() {

            {
                add(stormConf);
                add(context);
                add(collectorMap);
            }
        };
        _bolt = (IBolt) preparer.applyTo(RT.seq(args));
        //this is kind of unnecessary for clojure
        try {
            _bolt.prepare(stormConf, context, collector);
        } catch (AbstractMethodError ame) {
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 12 with Keyword

use of clojure.lang.Keyword in project storm by apache.

the class ClojureSpout method open.

@Override
public void open(final Map conf, final TopologyContext context, final SpoutOutputCollector collector) {
    IFn hof = Utils.loadClojureFn(_fnSpec.get(0), _fnSpec.get(1));
    try {
        IFn preparer = (IFn) hof.applyTo(RT.seq(_params));
        final Map<Keyword, Object> collectorMap = new PersistentArrayMap(new Object[] { Keyword.intern(Symbol.create("output-collector")), collector, Keyword.intern(Symbol.create("context")), context });
        List<Object> args = new ArrayList<Object>() {

            {
                add(conf);
                add(context);
                add(collectorMap);
            }
        };
        _spout = (ISpout) preparer.applyTo(RT.seq(args));
        //this is kind of unnecessary for clojure
        try {
            _spout.open(conf, context, collector);
        } catch (AbstractMethodError ame) {
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 13 with Keyword

use of clojure.lang.Keyword in project http-kit by http-kit.

the class AsyncChannel method firstWrite.

// Write first HTTP header and [first chunk data]? to client
private void firstWrite(Object data, boolean close) throws IOException {
    ByteBuffer[] buffers;
    int status = 200;
    Object body = data;
    HeaderMap headers;
    if (data instanceof Map) {
        Map<Keyword, Object> resp = (Map<Keyword, Object>) data;
        headers = HeaderMap.camelCase((Map) resp.get(HEADERS));
        status = getStatus(resp);
        body = resp.get(BODY);
    } else {
        headers = new HeaderMap();
    }
    if (headers.isEmpty()) {
        // default 200 and text/html
        headers.put("Content-Type", "text/html; charset=utf-8");
    }
    if (request.isKeepAlive && request.version == HttpVersion.HTTP_1_0) {
        headers.put("Connection", "Keep-Alive");
    }
    if (close) {
        // normal response, Content-Length. Every http client understand it
        buffers = HttpEncode(status, headers, body);
    } else {
        if (request.version == HttpVersion.HTTP_1_1) {
            // first chunk
            headers.put("Transfer-Encoding", "chunked");
        }
        ByteBuffer[] bb = HttpEncode(status, headers, body);
        if (body == null) {
            buffers = bb;
        } else {
            buffers = new ByteBuffer[] { // header
            bb[0], // chunk size
            chunkSize(bb[1].remaining()), // chunk data
            bb[1], // terminating CRLF sequence
            ByteBuffer.wrap(newLineBytes) };
        }
    }
    if (close) {
        onClose(0);
    }
    server.tryWrite(key, !close, buffers);
}

Example 14 with Keyword

use of clojure.lang.Keyword in project storm by nathanmarz.

the class ClojureSpout method open.

@Override
public void open(final Map conf, final TopologyContext context, final SpoutOutputCollector collector) {
    IFn hof = Utils.loadClojureFn(_fnSpec.get(0), _fnSpec.get(1));
    try {
        IFn preparer = (IFn) hof.applyTo(RT.seq(_params));
        final Map<Keyword, Object> collectorMap = new PersistentArrayMap(new Object[] { Keyword.intern(Symbol.create("output-collector")), collector, Keyword.intern(Symbol.create("context")), context });
        List<Object> args = new ArrayList<Object>() {

            {
                add(conf);
                add(context);
                add(collectorMap);
            }
        };
        _spout = (ISpout) preparer.applyTo(RT.seq(args));
        //this is kind of unnecessary for clojure
        try {
            _spout.open(conf, context, collector);
        } catch (AbstractMethodError ame) {
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}