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Diffstat (limited to 'core/src/main/scala/org/apache/spark/broadcast/SourceInfo.scala')
-rw-r--r-- | core/src/main/scala/org/apache/spark/broadcast/SourceInfo.scala | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/core/src/main/scala/org/apache/spark/broadcast/SourceInfo.scala b/core/src/main/scala/org/apache/spark/broadcast/SourceInfo.scala new file mode 100644 index 0000000000..baa1fd6da4 --- /dev/null +++ b/core/src/main/scala/org/apache/spark/broadcast/SourceInfo.scala @@ -0,0 +1,54 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License 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. + */ + +package org.apache.spark.broadcast + +import java.util.BitSet + +import org.apache.spark._ + +/** + * Used to keep and pass around information of peers involved in a broadcast + */ +private[spark] case class SourceInfo (hostAddress: String, + listenPort: Int, + totalBlocks: Int = SourceInfo.UnusedParam, + totalBytes: Int = SourceInfo.UnusedParam) +extends Comparable[SourceInfo] with Logging { + + var currentLeechers = 0 + var receptionFailed = false + + var hasBlocks = 0 + var hasBlocksBitVector: BitSet = new BitSet (totalBlocks) + + // Ascending sort based on leecher count + def compareTo (o: SourceInfo): Int = (currentLeechers - o.currentLeechers) +} + +/** + * Helper Object of SourceInfo for its constants + */ +private[spark] object SourceInfo { + // Broadcast has not started yet! Should never happen. + val TxNotStartedRetry = -1 + // Broadcast has already finished. Try default mechanism. + val TxOverGoToDefault = -3 + // Other constants + val StopBroadcast = -2 + val UnusedParam = 0 +} |