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ScroogeThriftCodec.scala
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ScroogeThriftCodec.scala
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/*
* Copyright 2012 Twitter Inc.
*
* Licensed 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 com.twitter.zipkin.storage.cassandra
import java.nio.ByteBuffer
import com.twitter.cassie.codecs.Codec
import com.twitter.scrooge.{ThriftStructCodec, BinaryThriftStructSerializer, ThriftStruct}
import com.twitter.ostrich.stats.Stats
class ScroogeThriftCodec[T <: ThriftStruct](structCodec: ThriftStructCodec[T]) extends Codec[T] {
val serializer = new BinaryThriftStructSerializer[T] { def codec = structCodec }
def encode(t: T): ByteBuffer = {
Stats.time("scroogecodec.serialize") {
val serialized = serializer.toBytes(t)
Stats.addMetric("scroogecodec.serialized", serialized.size)
b2b(serialized)
}
}
def decode(ary: ByteBuffer): T = {
Stats.time("scroogecodec.deserialize") {
serializer.fromBytes(b2b(ary))
}
}
}