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/*
* Copyright © 2016-2018 European Support Limited
*
* 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.
*/
package org.openecomp.sdc.logging.api;
/**
* Builder to populate <i>metrics</i> data. This includes only data known to an application, and not otherwise available
* to the logging framework.
*
* @author evitaliy
* @since 26 Mar 2018
*/
public class MetricsData {
// don't inherit from AuditData because it has a very different meaning
private final long startTime;
private final long endTime;
private final StatusCode statusCode;
private final String responseCode;
private final String responseDescription;
private final String clientIpAddress;
private final String targetVirtualEntity;
private final String targetEntity;
private MetricsData(final MetricsDataBuilder builder) {
this.startTime = builder.startTime;
this.endTime = builder.endTime;
this.statusCode = builder.statusCode;
this.responseCode = builder.responseCode;
this.responseDescription = builder.responseDescription;
this.clientIpAddress = builder.clientIpAddress;
this.targetEntity = builder.targetEntity;
this.targetVirtualEntity = builder.targetVirtualEntity;
}
/**
* Begin timestamp of an API invocation.
*
* @return timestamp
*/
public long getStartTime() {
return startTime;
}
/**
* End timestamp of an API invocation.
*
* @return timestamp
*/
public long getEndTime() {
return endTime;
}
/**
* Result status of an API invocation.
*
* @return protocol and application agnostic status code
*/
public StatusCode getStatusCode() {
return statusCode;
}
/**
* Application/protocol specific response status of an API invocation.
*
* @return response code
*/
public String getResponseCode() {
return responseCode;
}
/**
* Application/protocol specific response in a human-friendly way.
*
* @return human-friendly response description
*/
public String getResponseDescription() {
return responseDescription;
}
/**
* IP address of the invoking client when available.
*
* @return IP address
*/
public String getClientIpAddress() {
return clientIpAddress;
}
/**
* External entity invoked by the local system.
*
* @return identifier of an external entity (system, component, sub-component)
*/
public String getTargetEntity() {
return targetEntity;
}
/**
* External API invoked by the local system.
*
* @return name of an external API
*/
public String getTargetVirtualEntity() {
return targetVirtualEntity;
}
@Override
public String toString() {
return "AuditData{startTime=" + startTime + ", endTime=" + endTime + ", statusCode=" + statusCode
+ ", responseCode=" + responseCode + ", responseDescription=" + responseDescription
+ ", clientIpAddress=" + clientIpAddress + '}';
}
public static MetricsDataBuilder builder() {
return new MetricsDataBuilder();
}
/**
* Fluent API for building metrics data.
*/
public static class MetricsDataBuilder {
private long startTime;
private long endTime;
private StatusCode statusCode;
private String responseCode;
private String responseDescription;
private String clientIpAddress;
private String targetEntity;
private String targetVirtualEntity;
MetricsDataBuilder() { /* package-private default constructor to hide the public one */ }
/**
* Begin timestamp of an activity being audited.
*
* @param startTime local timestamp, usually received from {@link System#currentTimeMillis()}
* @return this builder for fluent API
*/
public MetricsDataBuilder startTime(final long startTime) {
this.startTime = startTime;
return this;
}
/**
* End timestamp of an activity being audited.
*
* @param endTime local timestamp, usually received from {@link System#currentTimeMillis()}
* @return this builder for fluent API
*/
public MetricsDataBuilder endTime(final long endTime) {
this.endTime = endTime;
return this;
}
/**
* Indicate whether an invocation was successful. It is up the the application to decide if a particular result
* must be treated as a success or a failure.
*
* @param statusCode invocation status success/failure
* @return this builder for fluent API
*/
public MetricsDataBuilder statusCode(final StatusCode statusCode) {
this.statusCode = statusCode;
return this;
}
/**
* Application/protocol specific response code. For a Web API, it is likely a standard HTTP response code.
*
* @param responseCode response code that depends on application and invocation protocol
* @return this builder for fluent API
*/
public MetricsDataBuilder responseCode(final String responseCode) {
this.responseCode = responseCode;
return this;
}
/**
* Response description that explains {@link #responseCode(String)} in a human-friendly way. For a Web API, it
* is likely to be a standard HTTP response phrase.
*
* @param responseDescription human-friendly response description
* @return this builder for fluent API
*/
public MetricsDataBuilder responseDescription(final String responseDescription) {
this.responseDescription = responseDescription;
return this;
}
/**
* IP address of an invoking client.
*
* @param clientIpAddress IP address
* @return this builder for fluent API
*/
public MetricsDataBuilder clientIpAddress(final String clientIpAddress) {
this.clientIpAddress = clientIpAddress;
return this;
}
/**
* External entity at which the operation is invoked.
*
* @param targetEntity external entity identifier
* @return this builder for fluent API
*/
public MetricsDataBuilder targetEntity(String targetEntity) {
this.targetEntity = targetEntity;
return this;
}
/**
* Name of the API or operation activities invoked at the external entity.
*
* @param targetVirtualEntity invoked external API
* @return this builder for fluent API
*/
public MetricsDataBuilder targetVirtualEntity(String targetVirtualEntity) {
this.targetVirtualEntity = targetVirtualEntity;
return this;
}
/**
* Create an instance of {@link MetricsData}.
*
* @return a populated instance of audit data
*/
public MetricsData build() {
return new MetricsData(this);
}
}
}
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