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

Example 1 with Keyword

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

the class Utils method convertClojureMapToJavaMap.

/**
     * converts a clojure PersistentMap to java HashMap
     */
public static Map<String, Object> convertClojureMapToJavaMap(Map map) {
    Map<String, Object> ret = new HashMap<>(map.size());
    for (Object obj : map.entrySet()) {
        Map.Entry entry = (Map.Entry) obj;
        Keyword keyword = (Keyword) entry.getKey();
        String key = keyword.getName();
        if (key.startsWith(":")) {
            key = key.substring(1, key.length());
        }
        Object value = entry.getValue();
        ret.put(key, value);
    }
    return ret;
}

Example 2 with Keyword

use of clojure.lang.Keyword in project fluxgraph by datablend.

the class FluxIndex method count.

public long count(final String key, final Object value) {
    boolean matched = ((indexKeys == null) || ((indexKeys != null) && indexKeys.contains(key)));
    Keyword attribute = null;
    if ((this.getIndexClass().isAssignableFrom(FluxEdge.class)) && ("label".equals(key))) {
        attribute = Keyword.intern("graph.edge/label");
    } else {
        attribute = FluxUtil.createKey(key, value.getClass(), clazz);
    }
    if (matched && FluxUtil.existingAttributeDefinition(attribute, graph)) {
        if (this.getIndexClass().isAssignableFrom(FluxVertex.class)) {
            return getElements(attribute, value, Keyword.intern("graph.element.type/vertex"), getDatabase()).size();
        }
        if (this.getIndexClass().isAssignableFrom(FluxEdge.class)) {
            return getElements(attribute, value, Keyword.intern("graph.element.type/edge"), getDatabase()).size();
        }
        throw new RuntimeException(FluxGraph.DATOMIC_ERROR_EXCEPTION_MESSAGE);
    } else {
        return 0;
    }
}

Example 3 with Keyword

use of clojure.lang.Keyword in project fluxgraph by datablend.

the class FluxIndex method get.

public CloseableIterable<T> get(final String key, final Object value) {
    boolean matched = ((indexKeys == null) || ((indexKeys != null) && indexKeys.contains(key)));
    Keyword attribute = null;
    if ((this.getIndexClass().isAssignableFrom(FluxEdge.class)) && ("label".equals(key))) {
        attribute = Keyword.intern("graph.edge/label");
    } else {
        attribute = FluxUtil.createKey(key, value.getClass(), clazz);
    }
    if (matched && FluxUtil.existingAttributeDefinition(attribute, graph)) {
        if (this.getIndexClass().isAssignableFrom(FluxVertex.class)) {
            return new FluxIterable(getElements(attribute, value, Keyword.intern("graph.element.type/vertex"), getDatabase()), graph, database, Vertex.class);
        }
        if (this.getIndexClass().isAssignableFrom(FluxEdge.class)) {
            return new FluxIterable(getElements(attribute, value, Keyword.intern("graph.element.type/edge"), getDatabase()), graph, database, Edge.class);
        }
        throw new RuntimeException(FluxGraph.DATOMIC_ERROR_EXCEPTION_MESSAGE);
    } else {
        if (this.getIndexClass().isAssignableFrom(FluxVertex.class)) {
            return new FluxIterable(new ArrayList<List<Object>>(), graph, database, Vertex.class);
        }
        if (this.getIndexClass().isAssignableFrom(FluxEdge.class)) {
            return new FluxIterable(new ArrayList<List<Object>>(), graph, database, Edge.class);
        }
        throw new RuntimeException(FluxGraph.DATOMIC_ERROR_EXCEPTION_MESSAGE);
    }
}

Example 4 with Keyword

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

the class AsyncChannel method writeChunk.

// for streaming, send a chunk of data to client
private void writeChunk(Object body, boolean close) throws IOException {
    if (body instanceof Map) {
        // only get body if a map
        body = ((Map<Keyword, Object>) body).get(BODY);
    }
    if (body != null) {
        // null is ignored
        ByteBuffer t = bodyBuffer(body);
        if (t.hasRemaining()) {
            ByteBuffer[] buffers = new ByteBuffer[] { chunkSize(t.remaining()), // actual data
            t, // terminating CRLF sequence
            ByteBuffer.wrap(newLineBytes) };
            server.tryWrite(key, !close, buffers);
        }
    }
    if (close) {
        serverClose(0);
    }
}

Example 5 with Keyword

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

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);
    }
}