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/*
* Copyright © 2017-2018 AT&T Intellectual Property. Modifications Copyright © 2018 IBM.
*
* 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.
*
*
* Unless otherwise specified, all documentation contained herein is licensed under the Creative
* Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
* in compliance with the License. You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation 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.onap.optf.cmso.optimizer.service.rs.models;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import java.io.Serializable;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.Date;
import java.util.TimeZone;
import org.springframework.format.annotation.DateTimeFormat;
/**
* The Class ChangeWindow.
*/
@ApiModel(value = "Change Window", description = "Time window for which tickets are to returned")
public class ChangeWindow implements Serializable {
private static final long serialVersionUID = 1L;
private static EELFLogger log = EELFManager.getInstance().getLogger(ChangeWindow.class);
@ApiModelProperty(value = "Earliest time for which changes may begin.")
@DateTimeFormat(pattern = "yyyy-MM-dd'T'hh:mm:ss'Z'")
private Date startTime;
@ApiModelProperty(value = "Latest time by which all changes must be completed.")
@DateTimeFormat(pattern = "yyyy-MM-dd'T'hh:mm:ss'Z'")
private Date endTime;
/**
* Gets the start time.
*
* @return the start time
*/
public Date getStartTime() {
return startTime;
}
/**
* Sets the start time.
*
* @param startTime the new start time
*/
public void setStartTime(Date startTime) {
this.startTime = startTime;
}
/**
* Gets the end time.
*
* @return the end time
*/
public Date getEndTime() {
return endTime;
}
/**
* Sets the end time.
*
* @param endTime the new end time
*/
public void setEndTime(Date endTime) {
this.endTime = endTime;
}
/**
* Overlaps test instance.b
*
* @param test the test window
* @return true, if successful
*/
public boolean overlaps(ChangeWindow test) {
int start = startTime.compareTo(test.getStartTime());
int end = endTime.compareTo(test.getEndTime());
int startend = startTime.compareTo(test.getEndTime());
int endstart = endTime.compareTo(test.getStartTime());
// at least one of the ends match up
if (start == 0 || end == 0 || startend == 0 || endstart == 0) {
return true;
}
// end is before start or start is before end, cannot overlap
if (endstart == -1 || startend == 1) {
return false;
}
return true;
}
/**
* Test if this window contains the passed window.
*
* @param test the test
* @return true, if this change window contains the passed change window
*/
public boolean contains(ChangeWindow test) {
if (!test.getStartTime().before(getStartTime()) && !test.getEndTime().after(getEndTime())) {
return true;
}
return false;
}
/**
* Passed slot time (test) is within this change window adjusted for the time zone of the element.
* This is used to interpret global relative availability (maintenance) windows as opposed to
* absolute UTC times provided in tickets which should already be adjusted for time zone.
*
* @param test the test
* @param startTimeZoneOffset the starting time zone offset
* @param endTimeZoneOffset the ending time zone offset
* @return true, if successful
*/
public boolean containsInTimeZone(ChangeWindow test, Integer startTimeZoneOffset, Integer endTimeZoneOffset) {
Instant startInstant = startTime.toInstant();
Instant endInstant = endTime.toInstant();
Instant testStart = test.getStartTime().toInstant().plusMillis(startTimeZoneOffset);;
Instant testEnd = test.getEndTime().toInstant().plusMillis(startTimeZoneOffset);;
if (!testStart.isBefore(startInstant)
&& !testEnd.isAfter(endInstant)) {
return true;
}
return false;
}
/**
* Contains in time zone.
*
* @param test the test
* @param timeZone the time zone
* @return true, if successful
*/
public boolean containsInTimeZone(ChangeWindow test, String timeZone) {
TimeZone tz = TimeZone.getTimeZone(timeZone);
Integer startTimeZoneOffset = tz.getOffset(startTime.toInstant().truncatedTo(ChronoUnit.DAYS).toEpochMilli());
Integer endTimeZoneOffset = tz.getOffset(endTime.toInstant().truncatedTo(ChronoUnit.DAYS).toEpochMilli());
return containsInTimeZone(test, startTimeZoneOffset, endTimeZoneOffset);
}
/**
* Absorb if overlapping window.
*
* @param test the test window
* @return true, if successful
*/
public boolean absorbIfOverlapping(ChangeWindow test) {
if (overlaps(test)) {
if (test.getStartTime().before(getStartTime())) {
setStartTime(test.getStartTime());
}
if (test.getEndTime().after(getEndTime())) {
setEndTime(test.getEndTime());
}
return true;
}
return false;
}
/**
* To string.
*
* @return the string
*/
@Override
public String toString() {
ObjectMapper mapper = new ObjectMapper();
try {
return mapper.writeValueAsString(this);
} catch (JsonProcessingException e) {
log.debug("Error in toString()", e);
}
return "";
}
}
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