CommonAttributeValueList.java

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/*
 *
 * Autopsy Forensic Browser
 *
 * Copyright 2018-2019 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.commonpropertiessearch;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

final public class CommonAttributeValueList {

    private final List<CommonAttributeValue> metadataList;

    private final List<CommonAttributeValue> delayedMetadataList;

    CommonAttributeValueList(List<CommonAttributeValue> metadata) {
        this.metadataList = new ArrayList<>();
        this.delayedMetadataList = metadata;
    }

    CommonAttributeValueList() {
        this.metadataList = new ArrayList<>();
        this.delayedMetadataList = new ArrayList<>();
    }

    public List<CommonAttributeValue> getMetadataList() {
        return Collections.unmodifiableList(this.metadataList);
    }

    Set<CommonAttributeValue> getDelayedMetadataSet() {
        //Allows nodes to be de-duped
        return new HashSet<>(this.delayedMetadataList);
    }

    void removeMetaData(CommonAttributeValue commonVal) {
        this.delayedMetadataList.remove(commonVal);
    }

    int getCommonAttributeListSize() {
        return this.delayedMetadataList.size();
    }

    public void displayDelayedMetadata() {
        if (metadataList.isEmpty()) {
            this.metadataList.addAll(this.delayedMetadataList);
        }
    }

    void addMetadataToList(CommonAttributeValue metadata) {
        delayedMetadataList.add(metadata);
    }
}