Example usage for com.mongodb MapReduceCommand getOutputType

Introduction

In this page you can find the example usage for com.mongodb MapReduceCommand getOutputType.

Prototype

public OutputType getOutputType() 

Source Link

Document

Gets the OutputType for this instance.

Usage

From source file:com.edgytech.umongo.CollectionPanel.java

License:Apache License

public void mapReduce(final ButtonBase button) {
    final DBCollection col = getCollectionNode().getCollection();
    String map = getStringFieldValue(Item.mrMap);
    String reduce = getStringFieldValue(Item.mrReduce);
    String finalize = getStringFieldValue(Item.mrFinalize);
    String stype = getStringFieldValue(Item.mrType);
    final OutputType type = OutputType.valueOf(stype.toUpperCase());
    String out = getStringFieldValue(Item.mrOut);
    if (type != OutputType.INLINE && (out.isEmpty())) {
        new InfoDialog(id, null, null, "Output collection cannot be empty if type is not inline.").show();
        return;/*  w w w.  ja v a  2 s  .  com*/
    }

    String outDB = getStringFieldValue(Item.mrOutDB);
    DBObject query = ((DocBuilderField) getBoundUnit(Item.mrQuery)).getDBObject();
    int limit = getIntFieldValue(Item.mrLimit);
    final MapReduceCommand cmd = new MapReduceCommand(col, map, reduce, out, type, query);
    DBObject sort = ((DocBuilderField) getBoundUnit(Item.mrSort)).getDBObject();
    if (sort != null) {
        cmd.setSort(sort);
    }
    if (!outDB.isEmpty()) {
        cmd.setOutputDB(outDB);
    }
    if (!finalize.isEmpty()) {
        cmd.setFinalize(finalize);
    }
    if (limit > 0) {
        cmd.setLimit(limit);
    }

    if (getBooleanFieldValue(Item.mrJSMode)) {
        cmd.addExtraOption("jsMode", true);
    }

    final BasicDBObject cmdobj = (BasicDBObject) cmd.toDBObject();
    if (getBooleanFieldValue(Item.mrOutSharded)) {
        ((BasicDBObject) cmdobj.get("out")).put("sharded", true);
    }
    if (getBooleanFieldValue(Item.mrNonAtomic)) {
        ((BasicDBObject) cmdobj.get("out")).put("nonAtomic", true);
    }

    new DbJob() {
        MapReduceOutput output;

        @Override
        public Object doRun() {
            //                output = col.mapReduce(cmd);

            // if type in inline, then query options like slaveOk is fine
            CommandResult res = null;
            if (type == MapReduceCommand.OutputType.INLINE) {
                res = col.getDB().command(cmdobj, col.getOptions());
                return res;
            }

            res = col.getDB().command(cmdobj);
            res.throwOnError();
            output = new MapReduceOutput(col, cmdobj, res);
            return output;
        }

        @Override
        public void wrapUp(Object res) {
            if (output != null) {
                if (cmd.getOutputType() == OutputType.INLINE) {
                    res = output.results();
                } else {
                    // spawn a find
                    doFind(output.getOutputCollection(), null);
                    res = output.getRaw();
                }
            }
            super.wrapUp(res);
        }

        @Override
        public String getNS() {
            return col.getFullName();
        }

        @Override
        public String getShortName() {
            return "MR";
        }

        @Override
        public DBObject getRoot(Object result) {
            return cmdobj;
        }

        @Override
        public ButtonBase getButton() {
            return button;
        }

        @Override
        DBObject getCommand() {
            return cmdobj;
        }

        @Override
        DB getDB() {
            return col.getDB();
        }
    }.addJob();
}

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