Move SimpleUtf8Cache and GenerationalUtf8Cache so they can be reused for OTLP encoding (#10925)

Move SimpleUtf8Cache and GenerationalUtf8Cache so they can be reused for OTLP encoding

Co-authored-by: stuart.mcculloch <stuart.mcculloch@datadoghq.com>

Author: mcculls

…trace/common/writer/ddagent/Caching.java …communication/serialization/Caching.javadd-trace-core/src/main/java/datadog/trace/common/writer/ddagent/Caching.java renamed to communication/src/main/java/datadog/communication/serialization/Caching.java dd-trace-core/src/main/java/datadog/trace/common/writer/ddagent/Caching.java renamed to communication/src/main/java/datadog/communication/serialization/Caching.java

@@ -1,4 +1,4 @@
-package datadog.trace.common.writer.ddagent;
+package datadog.communication.serialization;
 
 import java.util.Arrays;
 

…riter/ddagent/GenerationalUtf8Cache.java …serialization/GenerationalUtf8Cache.javadd-trace-core/src/main/java/datadog/trace/common/writer/ddagent/GenerationalUtf8Cache.java renamed to communication/src/main/java/datadog/communication/serialization/GenerationalUtf8Cache.java dd-trace-core/src/main/java/datadog/trace/common/writer/ddagent/GenerationalUtf8Cache.java renamed to communication/src/main/java/datadog/communication/serialization/GenerationalUtf8Cache.java

@@ -1,6 +1,5 @@
-package datadog.trace.common.writer.ddagent;
+package datadog.communication.serialization;
 
-import datadog.communication.serialization.EncodingCache;
 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import java.nio.charset.StandardCharsets;
 

…mmon/writer/ddagent/SimpleUtf8Cache.java …ation/serialization/SimpleUtf8Cache.javadd-trace-core/src/main/java/datadog/trace/common/writer/ddagent/SimpleUtf8Cache.java renamed to communication/src/main/java/datadog/communication/serialization/SimpleUtf8Cache.java dd-trace-core/src/main/java/datadog/trace/common/writer/ddagent/SimpleUtf8Cache.java renamed to communication/src/main/java/datadog/communication/serialization/SimpleUtf8Cache.java

@@ -1,6 +1,5 @@
-package datadog.trace.common.writer.ddagent;
+package datadog.communication.serialization;
 
-import datadog.communication.serialization.EncodingCache;
 import java.nio.charset.StandardCharsets;
 
 /**

…e/common/writer/ddagent/CachingTest.java …unication/serialization/CachingTest.javadd-trace-core/src/test/java/datadog/trace/common/writer/ddagent/CachingTest.java renamed to communication/src/test/java/datadog/communication/serialization/CachingTest.java dd-trace-core/src/test/java/datadog/trace/common/writer/ddagent/CachingTest.java renamed to communication/src/test/java/datadog/communication/serialization/CachingTest.java

@@ -1,4 +1,4 @@
-package datadog.trace.common.writer.ddagent;
+package datadog.communication.serialization;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;

…r/ddagent/GenerationalUtf8CacheTest.java …alization/GenerationalUtf8CacheTest.javadd-trace-core/src/test/java/datadog/trace/common/writer/ddagent/GenerationalUtf8CacheTest.java renamed to communication/src/test/java/datadog/communication/serialization/GenerationalUtf8CacheTest.java dd-trace-core/src/test/java/datadog/trace/common/writer/ddagent/GenerationalUtf8CacheTest.java renamed to communication/src/test/java/datadog/communication/serialization/GenerationalUtf8CacheTest.java

@@ -1,4 +1,4 @@
-package datadog.trace.common.writer.ddagent;
+package datadog.communication.serialization;
 
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 import static org.junit.jupiter.api.Assertions.assertEquals;

…/writer/ddagent/SimpleUtf8CacheTest.java …n/serialization/SimpleUtf8CacheTest.javadd-trace-core/src/test/java/datadog/trace/common/writer/ddagent/SimpleUtf8CacheTest.java renamed to communication/src/test/java/datadog/communication/serialization/SimpleUtf8CacheTest.java dd-trace-core/src/test/java/datadog/trace/common/writer/ddagent/SimpleUtf8CacheTest.java renamed to communication/src/test/java/datadog/communication/serialization/SimpleUtf8CacheTest.java

@@ -1,4 +1,4 @@
-package datadog.trace.common.writer.ddagent;
+package datadog.communication.serialization;
 
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 import static org.junit.jupiter.api.Assertions.assertEquals;

dd-trace-core/src/jmh/java/datadog/trace/common/writer/ddagent/Utf8Benchmark.java

@@ -1,5 +1,7 @@
 package datadog.trace.common.writer.ddagent;
 
+import datadog.communication.serialization.GenerationalUtf8Cache;
+import datadog.communication.serialization.SimpleUtf8Cache;
 import java.nio.charset.StandardCharsets;
 import java.util.concurrent.ThreadLocalRandom;
 import org.openjdk.jmh.annotations.Benchmark;

dd-trace-core/src/main/java/datadog/trace/common/writer/ddagent/TraceMapperV0_4.java

@@ -3,7 +3,9 @@
 import static datadog.communication.http.OkHttpUtils.msgpackRequestBodyOf;
 
 import datadog.communication.serialization.Codec;
+import datadog.communication.serialization.GenerationalUtf8Cache;
 import datadog.communication.serialization.GrowableBuffer;
+import datadog.communication.serialization.SimpleUtf8Cache;
 import datadog.communication.serialization.Writable;
 import datadog.communication.serialization.msgpack.MsgPackWriter;
 import datadog.trace.api.Config;