First public release of Spy Glass code base

1 files changed, 105 insertions, 0 deletions

diff --git a/README.md b/README.md
index a0a713a..fcb1d2f 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,108 @@ SpyGlass
 ========
 
 Cascading and Scalding wrapper for HBase with advanced read features
+
+
+Example
+=======
+
+package parallelai.spyglass.hbase.example
+
+import org.apache.hadoop.conf.Configuration
+import org.apache.hadoop.hbase.HBaseConfiguration
+import org.apache.hadoop.hbase.client.HConnectionManager
+import org.apache.hadoop.hbase.client.HTable
+import org.apache.hadoop.hbase.util.Bytes
+import org.apache.log4j.Level
+import org.apache.log4j.Logger
+
+import com.twitter.scalding._
+import com.twitter.scalding.Args
+
+import parallelai.spyglass.base.JobBase
+import parallelai.spyglass.hbase.HBaseSource
+import parallelai.spyglass.hbase.HBaseConstants.SourceMode
+
+class HBaseExample(args: Args) extends JobBase(args) {
+
+  val isDebug: Boolean = args("debug").toBoolean
+
+  if (isDebug) Logger.getRootLogger().setLevel(Level.DEBUG)
+
+  val output = args("output")
+
+  println(output)
+
+  val jobConf = getJobConf
+
+  val quorumNames = "cldmgr.prod.bigdata.bskyb.com:2181"
+
+  case class HBaseTableStore(
+      conf: Configuration,
+      quorum: String,
+      tableName: String) {
+
+    val tableBytes = Bytes.toBytes(tableName)
+    val connection = HConnectionManager.getConnection(conf)
+    val maxThreads = conf.getInt("hbase.htable.threads.max", 1)
+
+    conf.set("hbase.zookeeper.quorum", quorumNames);
+
+    val htable = new HTable(HBaseConfiguration.create(conf), tableName)
+
+  }
+
+  val hTableStore = HBaseTableStore(getJobConf, quorumNames, "skybet.test.tbet")
+
+  val hbs2 = new HBaseSource(
+    "table_name",
+    "quorum_name:2181",
+    'key,
+    Array("column_family"),
+    Array('column_name),
+    sourceMode = SourceMode.GET_LIST, keyList = List("5003914", "5000687", "5004897"))
+    .read
+    .write(Tsv(output.format("get_list")))
+
+  val hbs3 = new HBaseSource(
+    "table_name",
+    "quorum_name:2181",
+    'key,
+    Array("column_family"),
+    Array('column_name),
+    sourceMode = SourceMode.SCAN_ALL) //, stopKey = "99460693")
+    .read
+    .write(Tsv(output.format("scan_all")))
+
+  val hbs4 = new HBaseSource(
+    "table_name",
+    "quorum_name:2181",
+    'key,
+    Array("column_family"),
+    Array('column_name),
+    sourceMode = SourceMode.SCAN_RANGE, stopKey = "5003914")
+    .read
+    .write(Tsv(output.format("scan_range_to_end")))
+
+  val hbs5 = new HBaseSource(
+    "table_name",
+    "quorum_name:2181",
+    'key,
+    Array("column_family"),
+    Array('column_name),
+    sourceMode = SourceMode.SCAN_RANGE, startKey = "5003914")
+    .read
+    .write(Tsv(output.format("scan_range_from_start")))
+
+  val hbs6 = new HBaseSource(
+    "table_name",
+    "quorum_name:2181",
+    'key,
+    Array("column_family"),
+    Array('column_name),
+    sourceMode = SourceMode.SCAN_RANGE, startKey = "5003914", stopKey = "5004897")
+    .read
+    .write(Tsv(output.format("scan_range_between")))
+
+} 
+