SQLContext.prototype.createExternalTable = function (tableName, path, source, options, schema) {
var javaObject;
if (tableName && path && !source && !options && !schema) {
javaObject = this.getJavaObject().createExternalTable(tableName, path);
} else if (tableName && path && source && !options && !schema) {
javaObject = this.getJavaObject().createExternalTable(tableName, path, source);
} else if (tableName && source && options && !schema) {
var options_uw = Utils.createJavaHashMap(options);
javaObject = this.getJavaObject().createExternalTable(tableName, source, options_uw);
} else if (tableName && source && options && schema) {
var options_uw = Utils.createJavaHashMap(options);
var schema_uw = Utils.unwrapObject(schema);
javaObject = this.getJavaObject().createExternalTable(tableName, source, schema_uw, options_uw);
}
return Utils.javaToJs(javaObject);
};
RandomForest.trainClassifier = function (input,
numClasses,
categoricalFeaturesInfo,
numTrees,
featureSubsetStrategy,
impurity,
maxDepth,
maxBins,
seed) {
var categoricalFeaturesInfo_uw = Utils.createJavaHashMap(categoricalFeaturesInfo);
var javaObject = org.apache.spark.mllib.tree.RandomForest.trainClassifier(
Utils.unwrapObject(input),
numClasses,
categoricalFeaturesInfo_uw,
numTrees,
featureSubsetStrategy,
impurity,
maxDepth,
maxBins,
seed
);
return Utils.javaToJs(javaObject);
};
DataFrameReader.prototype.option = function (keyOrMap, value) {
var javaObject;
if (typeof keyOrMap === 'object') {
var map = Utils.createJavaHashMap(keyOrMap);
javaObject = this.getJavaObject().option(map);
} else {
javaObject = this.getJavaObject().option(keyOrMap, value);
}
return new DataFrameReader(javaObject);
};
DataFrameReader.prototype.jdbc = function () {
var javaObject;
if (arguments.length == 3) {
// connectionPropertiesMap
var map = Utils.createJavaHashMap(arguments[2], new java.util.Properties());
javaObject = this.getJavaObject().jdbc(arguments[0], arguments[1], map);
} else if (arguments.length == 4) {
// predicates
var map = Utils.createJavaHashMap(arguments[3], new java.util.Properties());
javaObject = this.getJavaObject().jdbc(arguments[0], arguments[1], arguments[2], map);
} else if (arguments.length == 7) {
var map = Utils.createJavaHashMap(arguments[6], new java.util.Properties());
javaObject = this.getJavaObject().jdbc(arguments[0], arguments[1], arguments[2], arguments[3], arguments[4], arguments[5], map);
} else {
throw "DataFrameReader.jdbc() invalid number of arguments.";
}
return Utils.javaToJs(javaObject);
}
DataFrameReader.prototype.options = function (map) {
var jmap = Utils.createJavaHashMap(map);
var javaObject = this.getJavaObject().options(jmap);
return new DataFrameReader(javaObject);
};