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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.documentapi.messagebus.protocol;
import com.yahoo.document.DocumentId;
import com.yahoo.document.GlobalId;
import com.yahoo.text.Utf8;
import com.yahoo.vespa.objects.Deserializer;
import com.yahoo.vespa.objects.Serializer;
/**
* @author <a href="mailto:einarmr@yahoo-inc.com">Einar M R Rosenvinge</a>
*/
public class DocumentState implements Comparable<DocumentState> {
private DocumentId docId;
private GlobalId gid;
private long timestamp;
private boolean removeEntry;
public DocumentState(DocumentId docId, long timestamp, boolean removeEntry) {
this.docId = docId;
this.gid = new GlobalId(docId.getGlobalId());
this.timestamp = timestamp;
this.removeEntry = removeEntry;
}
public DocumentState(GlobalId gid, long timestamp, boolean removeEntry) {
this.gid = gid;
this.timestamp = timestamp;
this.removeEntry = removeEntry;
}
public DocumentState(Deserializer buf) {
byte hasDocId = buf.getByte(null);
if (hasDocId == (byte) 1) {
docId = new DocumentId(buf);
}
gid = new GlobalId(buf);
timestamp = buf.getLong(null);
removeEntry = buf.getByte(null)>0;
}
public DocumentId getDocId() {
return docId;
}
public GlobalId getGid() {
return gid;
}
public long getTimestamp() {
return timestamp;
}
public boolean isRemoveEntry() {
return removeEntry;
}
public void serialize(Serializer buf) {
if (docId != null) {
buf.putByte(null, (byte) 1);
docId.serialize(buf);
} else {
buf.putByte(null, (byte) 0);
}
gid.serialize(buf);
buf.putLong(null, timestamp);
buf.putByte(null, (byte)(removeEntry ? 1 : 0));
}
public int getSerializedSize() {
int size = 0;
if (docId != null) {
size += Utf8.byteCount(docId.toString()) + 1;
}
size += GlobalId.LENGTH;
size += 8;
size += 1;
return size;
}
@Override
public int compareTo(DocumentState state) {
int comp = gid.compareTo(state.gid);
if (comp == 0) {
if (docId != null) {
if (state.docId != null) {
return docId.toString().compareTo(state.docId.toString());
} else {
return 1;
}
} else if (state.docId != null){
return -1;
}
}
return comp;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof DocumentState)) return false;
DocumentState that = (DocumentState) o;
if (removeEntry != that.removeEntry) return false;
if (timestamp != that.timestamp) return false;
if (docId != null ? !docId.equals(that.docId) : that.docId != null) return false;
return gid.equals(that.gid);
}
@Override
public int hashCode() {
int result;
result = (docId != null ? docId.hashCode() : 0);
result = 31 * result + gid.hashCode();
result = 31 * result + (int) (timestamp ^ (timestamp >>> 32));
result = 31 * result + (removeEntry ? 1 : 0);
return result;
}
@Override
public String toString() {
return "DocumentState{" +
"docId=" + docId +
", gid=" + gid +
", timestamp=" + timestamp +
", removeEntry=" + removeEntry +
'}';
}
}
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