Remove resource setter and getter from Tracer (#387)

Signed-off-by: Pavol Loffay <ploffay@redhat.com>

api/src/main/java/io/opentelemetry/trace/DefaultTracer.java

@@ -21,7 +21,6 @@ import io.opentelemetry.context.propagation.BinaryFormat;
 import io.opentelemetry.context.propagation.HttpTextFormat;
 import io.opentelemetry.context.propagation.TraceContextFormat;
 import io.opentelemetry.internal.Utils;
-import io.opentelemetry.resources.Resource;
 import io.opentelemetry.trace.unsafe.ContextUtils;
 import java.util.Map;
 import javax.annotation.Nullable;
@@ -66,16 +65,6 @@ public final class DefaultTracer implements Tracer {
     Utils.checkNotNull(spanData, "spanData");
   }
 
-  @Override
-  public void setResource(Resource resource) {
-    // do nothing
-  }
-
-  @Override
-  public Resource getResource() {
-    return Resource.getEmpty();
-  }
-
   @Override
   public BinaryFormat<SpanContext> getBinaryFormat() {
     return BINARY_FORMAT;

api/src/main/java/io/opentelemetry/trace/Tracer.java

@@ -20,7 +20,6 @@ import com.google.errorprone.annotations.MustBeClosed;
 import io.opentelemetry.context.Scope;
 import io.opentelemetry.context.propagation.BinaryFormat;
 import io.opentelemetry.context.propagation.HttpTextFormat;
-import io.opentelemetry.resources.Resource;
 
 /**
  * Tracer is a simple, interface for {@link Span} creation and in-process context interaction.
@@ -152,23 +151,6 @@ public interface Tracer {
    */
   Span.Builder spanBuilder(String spanName);
 
-  /**
-   * Sets the {@link Resource} to be associated with all {@link Span} and {@link SpanData} objects
-   * recorded by this {@link Tracer}.
-   *
-   * @param resource Resource to be associated with all {@link Span} and {@link SpanData} objects.
-   */
-  void setResource(Resource resource);
-
-  /**
-   * Gets the {@link Resource} that is associating with all the {@link Span} and {@link SpanData}
-   * objects recorded by this {@link Tracer}.
-   *
-   * @return {@link Resource} that is associating with all {@link Span} and {@link SpanData}
-   *     objects.
-   */
-  Resource getResource();
-
   /**
    * Records a {@link SpanData}. This API allows to send a pre-populated span object to the
    * exporter. Sampling and recording decisions as well as other collection optimizations is a

api/src/test/java/io/opentelemetry/OpenTelemetryTest.java

@@ -31,7 +31,6 @@ import io.opentelemetry.metrics.Measure;
 import io.opentelemetry.metrics.Measurement;
 import io.opentelemetry.metrics.Meter;
 import io.opentelemetry.metrics.spi.MeterProvider;
-import io.opentelemetry.resources.Resource;
 import io.opentelemetry.tags.DefaultTagger;
 import io.opentelemetry.tags.TagMap;
 import io.opentelemetry.tags.Tagger;
@@ -215,14 +214,6 @@ public class OpenTelemetryTest {
       return null;
     }
 
-    @Override
-    public void setResource(Resource resource) {}
-
-    @Override
-    public Resource getResource() {
-      return null;
-    }
-
     @Override
     public void recordSpanData(SpanData span) {}
 

sdk/src/main/java/io/opentelemetry/sdk/trace/TracerSdk.java

@@ -20,7 +20,6 @@ import io.opentelemetry.context.Scope;
 import io.opentelemetry.context.propagation.BinaryFormat;
 import io.opentelemetry.context.propagation.HttpTextFormat;
 import io.opentelemetry.context.propagation.TraceContextFormat;
-import io.opentelemetry.resources.Resource;
 import io.opentelemetry.sdk.trace.config.TraceConfig;
 import io.opentelemetry.trace.Span;
 import io.opentelemetry.trace.SpanContext;
@@ -51,14 +50,6 @@ public class TracerSdk implements Tracer {
     return null;
   }
 
-  @Override
-  public void setResource(Resource resource) {}
-
-  @Override
-  public Resource getResource() {
-    return null;
-  }
-
   @Override
   public void recordSpanData(SpanData span) {}