diff options
Diffstat (limited to 'reference/logging-slf4j/src/main/java/org/onap/logging/ref/slf4j/ONAPLogConstants.java')
| -rw-r--r-- | reference/logging-slf4j/src/main/java/org/onap/logging/ref/slf4j/ONAPLogConstants.java | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/reference/logging-slf4j/src/main/java/org/onap/logging/ref/slf4j/ONAPLogConstants.java b/reference/logging-slf4j/src/main/java/org/onap/logging/ref/slf4j/ONAPLogConstants.java new file mode 100644 index 0000000..744f99f --- /dev/null +++ b/reference/logging-slf4j/src/main/java/org/onap/logging/ref/slf4j/ONAPLogConstants.java @@ -0,0 +1,253 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.logging + * ================================================================================ + * Copyright © 2018 Amdocs + * All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.logging.ref.slf4j; + +import org.slf4j.Marker; +import org.slf4j.MarkerFactory; + +/** + * Constants for standard ONAP headers, MDCs, etc. + * + * <p>See <tt>package-info.java</tt>.</p> + */ +public final class ONAPLogConstants { + + //////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + // + // Constructors. + // + //////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + + /** + * Hide and forbid construction. + */ + private ONAPLogConstants() { + throw new UnsupportedOperationException(); + } + + //////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + // + // Inner classes. + // + //////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + + /** + * Marker constants. + */ + public static final class Markers { + + /** Marker reporting invocation. */ + public static final Marker INVOKE = MarkerFactory.getMarker("INVOKE"); + + /** Marker reporting synchronous invocation. */ + public static final Marker INVOKE_SYNCHRONOUS = build("INVOKE", "SYNCHRONOUS"); + + /** Marker reporting asynchronous invocation. */ + public static final Marker INVOKE_ASYNCHRONOUS = build("INVOKE", "ASYNCHRONOUS"); + + /** Marker reporting entry into a component. */ + public static final Marker ENTRY = MarkerFactory.getMarker("ENTRY"); + + /** Marker reporting exit from a component. */ + public static final Marker EXIT = MarkerFactory.getMarker("EXIT"); + + /** + * Build nested, detached marker. + * @param m1 top token. + * @param m2 sub-token. + * @return detached Marker. + */ + private static Marker build(final String m1, final String m2) { + final Marker marker = MarkerFactory.getDetachedMarker(m1); + marker.add(MarkerFactory.getDetachedMarker(m2)); + return marker; + } + + /** + * Hide and forbid construction. + */ + private Markers() { + throw new UnsupportedOperationException(); + } + } + + /** + * MDC name constants. + */ + public static final class MDCs { + + // Tracing. //////////////////////////////////////////////////////////// + + /** MDC correlating messages for an invocation. */ + public static final String INVOCATION_ID = "InvocationID"; + + /** MDC correlating messages for a logical transaction. */ + public static final String REQUEST_ID = "RequestID"; + + /** MDC recording calling service. */ + public static final String PARTNER_NAME = "PartnerName"; + + /** MDC recording current service. */ + public static final String SERVICE_NAME = "ServiceName"; + + /** MDC recording target service. */ + public static final String TARGET_SERVICE_NAME = "TargetServiceName"; + + /** MDC recording current service instance. */ + public static final String INSTANCE_UUID = "InstanceUUID"; + + // Network. //////////////////////////////////////////////////////////// + + /** MDC recording caller address. */ + public static final String CLIENT_IP_ADDRESS = "ClientIPAddress"; + + /** MDC recording server address. */ + public static final String SERVER_FQDN = "ServerFQDN"; + + /** + * MDC recording timestamp at the start of the current request, + * with the same scope as {@link #REQUEST_ID}. + * + * <p>Open issues: + * <ul> + * <ul>Easily confused with {@link #INVOKE_TIMESTAMP}.</ul> + * <ul>No mechanism for propagation between components, e.g. via HTTP headers.</ul> + * <ul>Whatever mechanism we define, it's going to be costly.</ul> + * </ul> + * </p> + * */ + public static final String ENTRY_TIMESTAMP = "EntryTimestamp"; + + /** MDC recording timestamp at the start of the current invocation. */ + public static final String INVOKE_TIMESTAMP = "InvokeTimestamp"; + + // Outcomes. /////////////////////////////////////////////////////////// + + /** MDC reporting outcome code. */ + public static final String RESPONSE_CODE = "ResponseCode"; + + /** MDC reporting outcome description. */ + public static final String RESPONSE_DESCRIPTION = "ResponseDescription"; + + /** MDC reporting outcome error level. */ + public static final String RESPONSE_SEVERITY = "Severity"; + + /** MDC reporting outcome error level. */ + public static final String RESPONSE_STATUS_CODE = "StatusCode"; + + // Unsorted. /////////////////////////////////////////////////////////// + + /** + * Hide and forbid construction. + */ + private MDCs() { + throw new UnsupportedOperationException(); + } + } + + /** + * Header name constants. + */ + public static final class Headers { + + /** HTTP <tt>X-ONAP-RequestID</tt> header. */ + public static final String REQUEST_ID = "X-ONAP-RequestID"; + + /** HTTP <tt>X-ONAP-InvocationID</tt> header. */ + public static final String INVOCATION_ID = "X-ONAP-InvocationID"; + + /** HTTP <tt>X-ONAP-PartnerName</tt> header. */ + public static final String PARTNER_NAME = "X-ONAP-PartnerName"; + + /** + * Hide and forbid construction. + */ + private Headers() { + throw new UnsupportedOperationException(); + } + } + + //////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + // + // Enums. + // + //////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + + /** + * Response success or not, for setting <tt>StatusCode</tt>. + */ + public enum ResponseStatus { + + /** Success. */ + COMPLETED, + + /** Not. */ + ERROR, + } + + /** + * Synchronous or asynchronous execution, for setting invocation marker. + */ + public enum InvocationMode { + + /** Synchronous, blocking. */ + SYNCHRONOUS("SYNCHRONOUS", Markers.INVOKE_SYNCHRONOUS), + + /** Asynchronous, non-blocking. */ + ASYNCHRONOUS("ASYNCHRONOUS", Markers.INVOKE_ASYNCHRONOUS); + + /** Enum value. */ + private String mString; + + /** Corresponding marker. */ + private Marker mMarker; + + /** + * Construct enum. + * + * @param s enum value. + * @param m corresponding Marker. + */ + InvocationMode(final String s, final Marker m) { + this.mString = s; + this.mMarker = m; + } + + /** + * Get Marker for enum. + * + * @return Marker. + */ + public Marker getMarker() { + return this.mMarker; + } + + /** + * {@inheritDoc} + */ + @Override + public String toString() { + return this.mString; + } + } + +} |