TagAddedEvent.java

Go to the documentation of this file.

/*
 * Autopsy Forensic Browser
 *
 * Copyright 2015-2018 Basis Technology Corp.
 * Contact: carrier <at> sleuthkit <dot> org
 *
 * 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.sleuthkit.autopsy.casemodule.events;

import java.io.Serializable;
import java.util.logging.Level;
import org.sleuthkit.autopsy.casemodule.NoCurrentCaseException;
import org.sleuthkit.autopsy.coreutils.Logger;
import org.sleuthkit.autopsy.events.AutopsyEvent;
import org.sleuthkit.datamodel.Tag;
import org.sleuthkit.datamodel.TskCoreException;

abstract class TagAddedEvent<T extends Tag> extends AutopsyEvent implements Serializable {

    private static final long serialVersionUID = 1L;

    private transient T tag;

    private final Long tagID;

    TagAddedEvent(String propertyName, T addedTag) {
        super(propertyName, null, null);
        tag = addedTag;
        tagID = addedTag.getId();
    }

    Long getTagID() {
        return tagID;
    }

    public T getAddedTag() {
        return getNewValue();
    }

    @Override
    public T getNewValue() {
        if (null != tag) {
            return tag;
        }
        try {
            tag = getTagByID();
            return tag;
        } catch (NoCurrentCaseException | TskCoreException ex) {
            Logger.getLogger(TagAddedEvent.class.getName()).log(Level.SEVERE, "Error doing lazy load for remote event", ex); //NON-NLS
            return null;
        }
    }

    abstract T getTagByID() throws NoCurrentCaseException, TskCoreException;
}