/*
* 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.
*
* Contributions from 2013-2017 where performed either by US government
* employees, or under US Veterans Health Administration contracts.
*
* US Veterans Health Administration contributions by government employees
* are work of the U.S. Government and are not subject to copyright
* protection in the United States. Portions contributed by government
* employees are USGovWork (17USC ยง105). Not subject to copyright.
*
* Contribution by contractors to the US Veterans Health Administration
* during this period are contractually contributed under the
* Apache License, Version 2.0.
*
* See: https://www.usa.gov/government-works
*
* Contributions prior to 2013:
*
* Copyright (C) International Health Terminology Standards Development Organisation.
* Licensed under the Apache License, Version 2.0.
*
*/
package sh.isaac.api.commit;
//~--- JDK imports ------------------------------------------------------------
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.time.Instant;
import java.util.Collection;
//~--- non-JDK imports --------------------------------------------------------
import org.apache.mahout.math.set.AbstractIntSet;
import sh.isaac.api.Get;
import sh.isaac.api.State;
import sh.isaac.api.util.Hashcode;
//~--- classes ----------------------------------------------------------------
/**
* The Class Stamp.
*/
public class Stamp
implements Comparable<Stamp> {
/** The hash code. */
public int hashCode = Integer.MAX_VALUE;
/** The author sequence. */
private final int authorSequence;
/** The path sequence. */
private final int pathSequence;
/** The status. */
private final State status;
/** The module sequence. */
private final int moduleSequence;
/** The time. */
private final long time;
//~--- constructors --------------------------------------------------------
/**
* Instantiates a new stamp.
*
* @param in the in
* @throws IOException Signals that an I/O exception has occurred.
*/
public Stamp(DataInput in)
throws IOException {
super();
this.status = State.values()[in.readInt()];
this.time = in.readLong();
this.authorSequence = in.readInt();
this.moduleSequence = in.readInt();
this.pathSequence = in.readInt();
assert this.time != 0:
"s: " + this.status + " t: " + this.time + " a: " + this.authorSequence + " " + " m: " +
this.moduleSequence + " p: " + this.pathSequence;
assert this.status != null:
"s: " + this.status + " t: " + this.time + " a: " + this.authorSequence + " " + " m: " +
this.moduleSequence + " p: " + this.pathSequence;
assert this.pathSequence > 0:
"s: " + this.status + " t: " + this.time + " a: " + this.authorSequence + " " + " m: " +
this.moduleSequence + " p: " + this.pathSequence;
assert this.moduleSequence > 0:
"s: " + this.status + " t: " + this.time + " a: " + this.authorSequence + " " + " m: " +
this.moduleSequence + " p: " + this.pathSequence;
assert this.authorSequence > 0:
"s: " + this.status + " t: " + this.time + " a: " + this.authorSequence + " " + " m: " +
this.moduleSequence + " p: " + this.pathSequence;
}
/**
* Instantiates a new stamp.
*
* @param status the status
* @param time the time
* @param authorSequence the author sequence
* @param moduleSequence the module sequence
* @param pathSequence the path sequence
*/
public Stamp(State status, long time, int authorSequence, int moduleSequence, int pathSequence) {
super();
this.status = status;
this.time = time;
this.authorSequence = authorSequence;
this.moduleSequence = moduleSequence;
this.pathSequence = pathSequence;
assert time != 0:
"s: " + status + " t: " + time + " a: " + authorSequence + " " + " m: " + moduleSequence + " p: " +
pathSequence;
assert status != null:
"s: " + status + " t: " + time + " a: " + authorSequence + " " + " m: " + moduleSequence + " p: " +
pathSequence;
assert pathSequence > 0:
"s: " + status + " t: " + time + " a: " + authorSequence + " " + " m: " + moduleSequence + " p: " +
pathSequence;
assert moduleSequence > 0:
"s: " + status + " t: " + time + " a: " + authorSequence + " " + " m: " + moduleSequence + " p: " +
pathSequence;
assert authorSequence > 0:
"s: " + status + " t: " + time + " a: " + authorSequence + " " + " m: " + moduleSequence + " p: " +
pathSequence;
}
//~--- methods -------------------------------------------------------------
/**
* Compare to.
*
* @param o the o
* @return the int
*/
@Override
public int compareTo(Stamp o) {
if (this.time > o.time) {
return 1;
}
if (this.time < o.time) {
return -1;
}
if (this.status != o.status) {
return this.status.ordinal() - o.status.ordinal();
}
if (this.authorSequence != o.authorSequence) {
return this.authorSequence - o.authorSequence;
}
if (this.moduleSequence != o.moduleSequence) {
return this.moduleSequence - o.moduleSequence;
}
return this.pathSequence - o.pathSequence;
}
/**
* Equals.
*
* @param obj the obj
* @return true, if successful
*/
@Override
public boolean equals(Object obj) {
if (Stamp.class.isAssignableFrom(obj.getClass())) {
return compareTo((Stamp) obj) == 0;
}
return false;
}
/**
* Hash code.
*
* @return the int
*/
@Override
public int hashCode() {
if (this.hashCode == Integer.MAX_VALUE) {
this.hashCode = Hashcode.compute(new int[] { this.authorSequence, this.status.ordinal(), this.pathSequence,
(int) this.time });
}
return this.hashCode;
}
/**
* Stamp array to string.
*
* @param stampSet the stamp set
* @return the string
*/
public static String stampArrayToString(AbstractIntSet stampSet) {
final StringBuilder sb = setupToString();
stampSet.forEachKey((int stamp) -> {
sb.append(stampFromIntStamp(stamp));
sb.append(",");
return true;
});
finishToString(sb);
return sb.toString();
}
/**
* Stamp array to string.
*
* @param stampCollection the stamp collection
* @return the string
*/
public static String stampArrayToString(Collection<Integer> stampCollection) {
final StringBuilder sb = setupToString();
stampCollection.stream()
.map((stamp) -> {
sb.append(stampFromIntStamp(stamp));
return stamp;
})
.forEach((_item) -> {
sb.append(",");
});
finishToString(sb);
return sb.toString();
}
/**
* Stamp array to string.
*
* @param stampArray the stamp array
* @return the string
*/
public static String stampArrayToString(int[] stampArray) {
final StringBuilder sb = setupToString();
for (final int stamp: stampArray) {
sb.append(stampFromIntStamp(stamp));
sb.append(",");
}
finishToString(sb);
return sb.toString();
}
/**
* Stamp from int stamp.
*
* @param stamp the stamp
* @return the stamp
*/
public static Stamp stampFromIntStamp(int stamp) {
final State status = Get.stampService()
.getStatusForStamp(stamp);
final long time = Get.stampService()
.getTimeForStamp(stamp);
final int authorSequence = Get.stampService()
.getAuthorSequenceForStamp(stamp);
final int moduleSequence = Get.stampService()
.getModuleSequenceForStamp(stamp);
final int pathSequence = Get.stampService()
.getPathSequenceForStamp(stamp);
return new Stamp(status, time, authorSequence, moduleSequence, pathSequence);
}
/**
* To string.
*
* @return the string
*/
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("Stamp{s:");
sb.append(this.status);
sb.append(", t:");
sb.append(getTimeAsInstant());
sb.append(", a:");
sb.append(Get.conceptDescriptionText(this.authorSequence));
sb.append(", m:");
sb.append(Get.conceptDescriptionText(this.moduleSequence));
sb.append(", p: ");
sb.append(Get.conceptDescriptionText(this.pathSequence));
sb.append('}');
return sb.toString();
}
/**
* Write.
*
* @param out the out
* @throws IOException Signals that an I/O exception has occurred.
*/
public void write(DataOutput out)
throws IOException {
out.writeInt(this.status.ordinal());
out.writeLong(this.time);
out.writeInt(this.authorSequence);
out.writeInt(this.moduleSequence);
out.writeInt(this.pathSequence);
}
/**
* Finish to string.
*
* @param sb the sb
*/
private static void finishToString(StringBuilder sb) {
final int lastIndexOf = sb.lastIndexOf(",");
sb.delete(lastIndexOf, lastIndexOf + 1);
sb.append("]");
}
/**
* Setup to string.
*
* @return the string builder
*/
private static StringBuilder setupToString() {
final StringBuilder sb = new StringBuilder();
sb.append("[");
return sb;
}
//~--- get methods ---------------------------------------------------------
/**
* Gets the author sequence.
*
* @return the author sequence
*/
public int getAuthorSequence() {
return this.authorSequence;
}
/**
* Gets the module sequence.
*
* @return the module sequence
*/
public int getModuleSequence() {
return this.moduleSequence;
}
/**
* Gets the path sequence.
*
* @return the path sequence
*/
public int getPathSequence() {
return this.pathSequence;
}
/**
* Gets the status.
*
* @return the status
*/
public State getStatus() {
return this.status;
}
/**
* Gets the time.
*
* @return the time
*/
public long getTime() {
return this.time;
}
/**
* Gets the time as instant.
*
* @return the time as instant
*/
public Instant getTimeAsInstant() {
return Instant.ofEpochMilli(this.time);
}
}