private static Map<Long, ShallowTrace> parseTraces(final JsonNode rootNode) throws IOException {
Map<Long, ShallowTrace> traceMap = new HashMap<>();
for (JsonNode traceNode : getField(rootNode, JsonTraceCodec.TRACES)) {
final long traceId = getLongField(traceNode, JsonTraceCodec.TRACE_ID);
final ShallowTraceBuilder shallowBuilder = new ShallowTraceBuilder(traceId);
final String name = getTextField(traceNode, JsonTraceCodec.TRACE_NAME);
shallowBuilder.setName(name);
if (traceNode.get(JsonTraceCodec.TRACE_HIDDEN) != null)
shallowBuilder.setHidden(getBooleanField(traceNode, JsonTraceCodec.TRACE_HIDDEN));
if (traceNode.get(JsonTraceCodec.TRACE_SYSTEM_HIDDEN) != null)
shallowBuilder.setSystemHidden(
getBooleanField(traceNode, JsonTraceCodec.TRACE_SYSTEM_HIDDEN));
if (traceNode.get(JsonTraceCodec.TRACE_VALUE) != null)
shallowBuilder.setValue(getTextField(traceNode, JsonTraceCodec.TRACE_VALUE));
if (traceNode.get(JsonTraceCodec.TRACE_START_NANOS) != null)
shallowBuilder.setStartNanos(getLongField(traceNode, JsonTraceCodec.TRACE_START_NANOS));
if (traceNode.get(JsonTraceCodec.TRACE_PENDING_NANOS) != null)
shallowBuilder.setPendingNanos(getLongField(traceNode, JsonTraceCodec.TRACE_PENDING_NANOS));
if (traceNode.get(JsonTraceCodec.TRACE_END_NANOS) != null)
shallowBuilder.setEndNanos(getLongField(traceNode, JsonTraceCodec.TRACE_END_NANOS));
if (traceNode.get(JsonTraceCodec.TRACE_ATTRIBUTES) != null) {
for (JsonNode node : getField(traceNode, JsonTraceCodec.TRACE_ATTRIBUTES)) {
String key = getTextField(node, JsonTraceCodec.TRACE_ATTRIBUTE_KEY);
String value = getTextField(node, JsonTraceCodec.TRACE_ATTRIBUTE_VALUE);
shallowBuilder.addAttribute(key, value);
}
}
final ResultType resultType =
ResultType.valueOf(getTextField(traceNode, JsonTraceCodec.TRACE_RESULT_TYPE));
shallowBuilder.setResultType(resultType);
traceMap.put(traceId, shallowBuilder.build());
}
return traceMap;
}
protected void markTaskPending() {
_shallowTraceBuilder.setPendingNanos(System.nanoTime());
}