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+<?php
+/*
+ * Copyright 2010-2012 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ * You may not use this file except in compliance with the License.
+ * A copy of the License is located at
+ *
+ * http://aws.amazon.com/apache2.0
+ *
+ * or in the "license" file accompanying this file. This file is distributed
+ * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+
+/*%******************************************************************************************%*/
+// CLASS
+
+/**
+ * Contains core functionality for Hadoop helpers.
+ *
+ * @version 2011.05.03
+ * @license See the included NOTICE.md file for more information.
+ * @copyright See the included NOTICE.md file for more information.
+ * @link http://aws.amazon.com/php/ PHP Developer Center
+ * @link http://hadoop.apache.org Apache Hadoop
+ */
+class CFHadoopBase
+{
+ /**
+ * Runs a specified script on the master node of your cluster.
+ *
+ * @param string $script (Required) The script to run with `script-runner.jar`.
+ * @param array $args (Optional) An indexed array of arguments to pass to the script.
+ * @return array A standard array that is intended to be passed into a <CFStepConfig> object.
+ */
+ public static function script_runner($script, $args = null)
+ {
+ if (!$args) $args = array();
+ array_unshift($args, $script);
+
+ return array(
+ 'Jar' => 's3://us-east-1.elasticmapreduce/libs/script-runner/script-runner.jar',
+ 'Args' => $args
+ );
+ }
+
+ /**
+ * Prepares a Hive or Pig script before passing it to the script runner.
+ *
+ * @param string $type (Required) The type of script to run. [Allowed values: `hive`, `pig`].
+ * @param array $args (Optional) An indexed array of arguments to pass to the script.
+ * @return array A standard array that is intended to be passed into a <CFStepConfig> object.
+ * @link http://hive.apache.org Apache Hive
+ * @link http://pig.apache.org Apache Pig
+ */
+ public static function hive_pig_script($type, $args = null)
+ {
+ if (!$args) $args = array();
+ $args = is_array($args) ? $args : array($args);
+ $args = array_merge(array('--base-path', 's3://us-east-1.elasticmapreduce/libs/' . $type . '/'), $args);
+
+ return self::script_runner('s3://us-east-1.elasticmapreduce/libs/' . $type . '/' . $type . '-script', $args);
+ }
+}