Examples with JsonArray dontweave.gson.JsonArray used on opensource projects

Example 6 with JsonArray

use of dontweave.gson.JsonArray in project h2o-2 by h2oai.

the class TypeaheadFileRequest method serveS3.

protected JsonArray serveS3(String filter, int limit) {
    JsonArray array = new JsonArray();
    try {
        AmazonS3 s3 = PersistS3.getClient();
        filter = Strings.nullToEmpty(filter);
        for (Bucket b : s3.listBuckets()) {
            if (b.getName().startsWith(filter))
                array.add(new JsonPrimitive(b.getName()));
            if (array.size() == limit)
                break;
        }
    } catch (IllegalArgumentException xe) {
    }
    return array;
}

Example 7 with JsonArray

use of dontweave.gson.JsonArray in project h2o-2 by h2oai.

the class TypeaheadFileRequest method serveFile.

protected JsonArray serveFile(String filter, int limit) {
    File base = null;
    String filterPrefix = "";
    if (!filter.isEmpty()) {
        File file = new File(filter);
        if (file.isDirectory()) {
            base = file;
        } else {
            base = file.getParentFile();
            filterPrefix = file.getName().toLowerCase();
        }
    }
    if (base == null)
        base = new File(".");
    JsonArray array = new JsonArray();
    File[] files = base.listFiles();
    if (files == null)
        return array;
    for (File file : files) {
        if (file.isHidden())
            continue;
        if (file.getName().toLowerCase().startsWith(filterPrefix))
            array.add(new JsonPrimitive(file.getPath()));
        if (array.size() == limit)
            break;
    }
    return array;
}

Example 8 with JsonArray

use of dontweave.gson.JsonArray in project h2o-2 by h2oai.

the class TypeaheadHexKeyRequest method serve.

protected JsonArray serve(String filter, int limit, long timetolerance) {
    JsonArray array = new JsonArray();
    int len = 0;
    // Gather some keys that pass all filters
    for (H2O.KeyInfo kinfo : H2O.KeySnapshot.globalSnapshot(2000)._keyInfos) {
        if (// Have a filter?
        filter != null && kinfo._key.toString().indexOf(filter) == -1)
            // Ignore this filtered-out key
            continue;
        // Wrong type?
        if (!matchesType(kinfo))
            continue;
        // Generic override
        if (!shouldIncludeKey(kinfo))
            continue;
        array.add(new JsonPrimitive(kinfo._key.toString()));
        if (array.size() == limit)
            break;
    }
    return array;
}

Example 9 with JsonArray

use of dontweave.gson.JsonArray in project h2o-2 by h2oai.

the class TypeaheadS3BucketRequest method serve.

@Override
protected JsonArray serve(String filter, int limit) {
    JsonArray array = new JsonArray();
    try {
        AmazonS3 s3 = PersistS3.getClient();
        filter = Strings.nullToEmpty(filter);
        for (Bucket b : s3.listBuckets()) {
            if (b.getName().startsWith(filter))
                array.add(new JsonPrimitive(b.getName()));
            if (array.size() == limit)
                break;
        }
    } catch (IllegalArgumentException xe) {
    }
    return array;
}

Example 10 with JsonArray

use of dontweave.gson.JsonArray in project h2o-2 by h2oai.

the class SpeeDRFModel method buildCM.

public void buildCM(StringBuilder sb) {
    int tasks = this.N;
    int finished = this.size();
    int modelSize = tasks * 25 / 100;
    modelSize = modelSize == 0 || finished == tasks ? finished : modelSize * (finished / modelSize);
    if (confusion != null && confusion.valid() && modelSize > 0) {
        //finished += 1;
        JsonObject cm = new JsonObject();
        JsonArray cmHeader = new JsonArray();
        JsonArray matrix = new JsonArray();
        cm.addProperty(JSON_CM_TYPE, oobee ? "OOB" : "training");
        cm.addProperty(JSON_CM_CLASS_ERR, confusion.classError());
        cm.addProperty(JSON_CM_ROWS_SKIPPED, confusion.skippedRows());
        cm.addProperty(JSON_CM_ROWS, confusion.rows());
        // create the header
        for (String s : cfDomain(confusion, 1024)) cmHeader.add(new JsonPrimitive(s));
        cm.add(JSON_CM_HEADER, cmHeader);
        // add the matrix
        final int nclasses = confusion.dimension();
        JsonArray classErrors = new JsonArray();
        for (int crow = 0; crow < nclasses; ++crow) {
            JsonArray row = new JsonArray();
            int classHitScore = 0;
            for (int ccol = 0; ccol < nclasses; ++ccol) {
                row.add(new JsonPrimitive(confusion.matrix(crow, ccol)));
                if (crow != ccol)
                    classHitScore += confusion.matrix(crow, ccol);
            }
            // produce infinity members in case of 0.f/0
            classErrors.add(new JsonPrimitive((float) classHitScore / (classHitScore + confusion.matrix(crow, crow))));
            matrix.add(row);
        }
        cm.add(JSON_CM_CLASSES_ERRORS, classErrors);
        cm.add(JSON_CM_MATRIX, matrix);
        cm.addProperty(JSON_CM_TREES, modelSize);
        // Signal end only and only if all trees were generated and confusion matrix is valid
        DocGen.HTML.section(sb, "Confusion Matrix:");
        if (cm.has(JSON_CM_MATRIX)) {
            sb.append("<dl class='dl-horizontal'>");
            sb.append("<dt>classification error</dt><dd>").append(String.format("%5.5f %%", 100 * cm.get(JSON_CM_CLASS_ERR).getAsFloat())).append("</dd>");
            long rows = cm.get(JSON_CM_ROWS).getAsLong();
            long skippedRows = cm.get(JSON_CM_ROWS_SKIPPED).getAsLong();
            sb.append("<dt>used / skipped rows </dt><dd>").append(String.format("%d / %d (%3.1f %%)", rows, skippedRows, (double) skippedRows * 100 / (skippedRows + rows))).append("</dd>");
            sb.append("<dt>trees used</dt><dd>").append(cm.get(JSON_CM_TREES).getAsInt()).append("</dd>");
            sb.append("</dl>");
            sb.append("<table class='table table-striped table-bordered table-condensed'>");
            sb.append("<tr style='min-width: 60px;'><th style='min-width: 60px;'>Actual \\ Predicted</th>");
            JsonArray header = (JsonArray) cm.get(JSON_CM_HEADER);
            for (JsonElement e : header) sb.append("<th style='min-width: 60px;'>").append(e.getAsString()).append("</th>");
            sb.append("<th style='min-width: 60px;'>Error</th></tr>");
            int classes = header.size();
            long[] totals = new long[classes];
            JsonArray matrix2 = (JsonArray) cm.get(JSON_CM_MATRIX);
            long sumTotal = 0;
            long sumError = 0;
            for (int crow = 0; crow < classes; ++crow) {
                JsonArray row = (JsonArray) matrix2.get(crow);
                long total = 0;
                long error = 0;
                sb.append("<tr style='min-width: 60px;'><th style='min-width: 60px;'>").append(header.get(crow).getAsString()).append("</th>");
                for (int ccol = 0; ccol < classes; ++ccol) {
                    long num = row.get(ccol).getAsLong();
                    total += num;
                    totals[ccol] += num;
                    if (ccol == crow) {
                        sb.append("<td style='background-color:LightGreen; min-width: 60px;'>");
                    } else {
                        sb.append("<td styile='min-width: 60px;'>");
                        error += num;
                    }
                    sb.append(num);
                    sb.append("</td>");
                }
                sb.append("<td style='min-width: 60px;'>");
                sb.append(String.format("%.05f = %,d / %d", (double) error / total, error, total));
                sb.append("</td></tr>");
                sumTotal += total;
                sumError += error;
            }
            sb.append("<tr style='min-width: 60px;'><th style='min-width: 60px;'>Totals</th>");
            for (long total : totals) sb.append("<td style='min-width: 60px;'>").append(total).append("</td>");
            sb.append("<td style='min-width: 60px;'><b>");
            sb.append(String.format("%.05f = %,d / %d", (double) sumError / sumTotal, sumError, sumTotal));
            sb.append("</b></td></tr>");
            sb.append("</table>");
        } else {
            sb.append("<div class='alert alert-info'>");
            sb.append("Confusion matrix is being computed into the key:</br>");
            sb.append(cm.get(JSON_CONFUSION_KEY).getAsString());
            sb.append("</div>");
        }
    }
}