/**
*
*/
package com.thinkbiganalytics.metadata.api.event;
/*-
* #%L
* thinkbig-metadata-api
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* 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.
* #L%
*/
import org.joda.time.DateTime;
import java.io.Serializable;
import java.security.Principal;
import java.util.Objects;
/**
*
*/
public abstract class AbstractMetadataEvent<C extends Serializable> implements MetadataEvent<C> {
private static final long serialVersionUID = 1L;
private final DateTime timestamp;
private final C data;
private final Principal userPrincipal;
public AbstractMetadataEvent(C data) {
this(data, DateTime.now(), null);
}
public AbstractMetadataEvent(C data, Principal user) {
this(data, DateTime.now(), user);
}
public AbstractMetadataEvent(C data, DateTime time, Principal user) {
this.timestamp = time;
this.userPrincipal = user;
this.data = data;
}
@Override
public DateTime getTimestamp() {
return this.timestamp;
}
@Override
public C getData() {
return this.data;
}
public Principal getUserPrincipal() {
return userPrincipal;
}
@Override
public int hashCode() {
return Objects.hash(this.timestamp, this.userPrincipal, this.data);
}
@Override
public boolean equals(Object obj) {
if (obj instanceof AbstractMetadataEvent) {
AbstractMetadataEvent<?> that = (AbstractMetadataEvent<?>) obj;
return Objects.equals(this.userPrincipal, this.userPrincipal) &&
Objects.equals(this.timestamp, that.timestamp) &&
Objects.equals(this.data, that.data);
} else {
return false;
}
}
}