Add MoveTo all the top pdata structs, consistency with other generate…

…d structs (#4930)

Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com>

model/pdata/logs.go

@@ -65,6 +65,13 @@ func (ld Logs) InternalRep() internal.LogsWrapper {
 	return internal.LogsFromOtlp(ld.orig)
 }
 
+// MoveTo moves all properties from the current struct to dest
+// resetting the current instance to its zero value.
+func (ld Logs) MoveTo(dest Logs) {
+	*dest.orig = *ld.orig
+	*ld.orig = otlplogs.LogsData{}
+}
+
 // Clone returns a copy of Logs.
 func (ld Logs) Clone() Logs {
 	cloneLd := NewLogs()

model/pdata/logs_test.go

@@ -115,6 +115,15 @@ func TestResourceLogsWireCompatibility(t *testing.T) {
 	assert.EqualValues(t, logs.orig, &gogoprotoRS2)
 }
 
+func TestLogsMoveTo(t *testing.T) {
+	logs := NewLogs()
+	fillTestResourceLogsSlice(logs.ResourceLogs())
+	dest := NewLogs()
+	logs.MoveTo(dest)
+	assert.EqualValues(t, NewLogs(), logs)
+	assert.EqualValues(t, generateTestResourceLogsSlice(), dest.ResourceLogs())
+}
+
 func TestLogsClone(t *testing.T) {
 	logs := NewLogs()
 	fillTestResourceLogsSlice(logs.ResourceLogs())

model/pdata/metrics.go

@@ -70,6 +70,13 @@ func (md Metrics) Clone() Metrics {
 	return cloneMd
 }
 
+// MoveTo moves all properties from the current struct to dest
+// resetting the current instance to its zero value.
+func (md Metrics) MoveTo(dest Metrics) {
+	*dest.orig = *md.orig
+	*md.orig = otlpmetrics.MetricsData{}
+}
+
 // ResourceMetrics returns the ResourceMetricsSlice associated with this Metrics.
 func (md Metrics) ResourceMetrics() ResourceMetricsSlice {
 	return newResourceMetricsSlice(&md.orig.ResourceMetrics)

model/pdata/metrics_test.go

@@ -192,6 +192,15 @@ func TestDataPointCountWithNilDataPoints(t *testing.T) {
 	assert.EqualValues(t, 0, metrics.DataPointCount())
 }
 
+func TestMetricsMoveTo(t *testing.T) {
+	metrics := NewMetrics()
+	fillTestResourceMetricsSlice(metrics.ResourceMetrics())
+	dest := NewMetrics()
+	metrics.MoveTo(dest)
+	assert.EqualValues(t, NewMetrics(), metrics)
+	assert.EqualValues(t, generateTestResourceMetricsSlice(), dest.ResourceMetrics())
+}
+
 func TestOtlpToInternalReadOnly(t *testing.T) {
 	md := Metrics{orig: &otlpmetrics.MetricsData{
 		ResourceMetrics: []*otlpmetrics.ResourceMetrics{

model/pdata/traces.go

@@ -63,6 +63,13 @@ func (td Traces) InternalRep() internal.TracesWrapper {
 	return internal.TracesFromOtlp(td.orig)
 }
 
+// MoveTo moves all properties from the current struct to dest
+// resetting the current instance to its zero value.
+func (td Traces) MoveTo(dest Traces) {
+	*dest.orig = *td.orig
+	*td.orig = otlptrace.TracesData{}
+}
+
 // Clone returns a copy of Traces.
 func (td Traces) Clone() Traces {
 	cloneTd := NewTraces()

model/pdata/traces_test.go

@@ -116,6 +116,15 @@ func TestResourceSpansWireCompatibility(t *testing.T) {
 	assert.EqualValues(t, traces.orig, &gogoprotoRS2)
 }
 
+func TestTracesMoveTo(t *testing.T) {
+	traces := NewTraces()
+	fillTestResourceSpansSlice(traces.ResourceSpans())
+	dest := NewTraces()
+	traces.MoveTo(dest)
+	assert.EqualValues(t, NewTraces(), traces)
+	assert.EqualValues(t, generateTestResourceSpansSlice(), dest.ResourceSpans())
+}
+
 func TestTracesClone(t *testing.T) {
 	traces := NewTraces()
 	fillTestResourceSpansSlice(traces.ResourceSpans())