mirror of https://github.com/apache/nifi.git
Merge branch 'develop' of https://git-wip-us.apache.org/repos/asf/nifi into develop
This commit is contained in:
commit
5962404379
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@ -155,7 +155,7 @@ run() {
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sudo_cmd_prefix=""
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if $cygwin; then
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if [[ -n "$run_as" ]]; then
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if [ -n "$run_as" ]; then
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echo "The run.as option is not supported in a Cygwin environment. Exiting."
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exit 1
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fi;
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@ -163,7 +163,7 @@ run() {
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NIFI_HOME=`cygpath --path --windows "$NIFI_HOME"`
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BOOTSTRAP_CONF=`cygpath --path --windows "$BOOTSTRAP_CONF"`
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else
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if [[ -n "$run_as" ]]; then
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if [ -n "$run_as" ]; then
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if id -u "$run_as" >/dev/null 2>&1; then
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sudo_cmd_prefix="sudo -u ${run_as}"
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else
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@ -66,6 +66,9 @@ import java.util.concurrent.ConcurrentMap;
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+ "JsonPaths are entered by adding user-defined properties; the name of the property maps to the Attribute Name "
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+ "into which the result will be placed (if the Destination is flowfile-attribute; otherwise, the property name is ignored). "
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+ "The value of the property must be a valid JsonPath expression. "
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+ "A Return Type of 'auto-detect' will make a determination based off the configured destination. "
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+ "When 'Destination' is set to 'flowfile-attribute,' a return type of 'scalar' will be used. "
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+ "When 'Destination' is set to 'flowfile-content,' a return type of 'JSON' will be used."
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+ "If the JsonPath evaluates to a JSON array or JSON object and the Return Type is set to 'scalar' the FlowFile will be unmodified and will be routed to failure. "
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+ "A Return Type of JSON can return scalar values if the provided JsonPath evaluates to the specified value and will be routed as a match."
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+ "If Destination is 'flowfile-content' and the JsonPath does not evaluate to a defined path, the FlowFile will be routed to 'unmatched' without having its contents modified. "
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@ -99,7 +102,7 @@ public class EvaluateJsonPath extends AbstractJsonPathProcessor {
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public static final PropertyDescriptor RETURN_TYPE = new PropertyDescriptor.Builder()
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.name("Return Type").description("Indicates the desired return type of the JSON Path expressions. Selecting 'auto-detect' will set the return type to 'json' "
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+ "for a Destination of 'flowfile-content', and 'string' for a Destination of 'flowfile-attribute'.")
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+ "for a Destination of 'flowfile-content', and 'scalar' for a Destination of 'flowfile-attribute'.")
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.required(true)
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.allowableValues(RETURN_TYPE_AUTO, RETURN_TYPE_JSON, RETURN_TYPE_SCALAR)
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.defaultValue(RETURN_TYPE_AUTO)
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@ -224,7 +227,7 @@ public class EvaluateJsonPath extends AbstractJsonPathProcessor {
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}
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@Override
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public void onTrigger(ProcessContext processContext, final ProcessSession processSession) throws ProcessException {
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public void onTrigger(final ProcessContext processContext, final ProcessSession processSession) throws ProcessException {
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FlowFile flowFile = processSession.get();
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if (flowFile == null) {
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@ -266,13 +269,13 @@ public class EvaluateJsonPath extends AbstractJsonPathProcessor {
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for (final Map.Entry<String, JsonPath> attributeJsonPathEntry : attributeToJsonPathMap.entrySet()) {
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String jsonPathAttrKey = attributeJsonPathEntry.getKey();
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JsonPath jsonPathExp = attributeJsonPathEntry.getValue();
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final String jsonPathAttrKey = attributeJsonPathEntry.getKey();
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final JsonPath jsonPathExp = attributeJsonPathEntry.getValue();
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final String pathNotFound = processContext.getProperty(PATH_NOT_FOUND).getValue();
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final ObjectHolder<Object> resultHolder = new ObjectHolder<>(null);
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try {
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Object result = documentContext.read(jsonPathExp);
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final Object result = documentContext.read(jsonPathExp);
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if (returnType.equals(RETURN_TYPE_SCALAR) && !isJsonScalar(result)) {
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logger.error("Unable to return a scalar value for the expression {} for FlowFile {}. Evaluated value was {}. Transferring to {}.",
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new Object[]{jsonPathExp.getPath(), flowFile.getId(), result.toString(), REL_FAILURE.getName()});
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