PinnedAccountModel.java

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/*
 * Autopsy Forensic Browser
 *
 * Copyright 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.communications;
 
import com.google.common.collect.ImmutableSet;
import com.google.common.eventbus.EventBus;
import java.util.HashSet;
import java.util.Set;
import org.sleuthkit.datamodel.AccountDeviceInstance;

class PinnedAccountModel {

    private final Set<AccountDeviceInstance> pinnedAccountDevices = new HashSet<>();
 
    private final EventBus eventBus = new EventBus();
 
    void registerhandler(Object handler) {
        eventBus.register(handler);
    }
 
    void unregisterhandler(Object handler) {
        eventBus.unregister(handler);
    }
 
    boolean isAccountPinned(AccountDeviceInstance account) {
        return pinnedAccountDevices.contains(account);
    }

    void unpinAccount(Set<AccountDeviceInstance> accountDeviceInstances) {
        pinnedAccountDevices.removeAll(accountDeviceInstances);
    }

    void pinAccount(Set<AccountDeviceInstance> accountDeviceInstances) {
        pinnedAccountDevices.addAll(accountDeviceInstances);
    }

    boolean isEmpty() {
        return pinnedAccountDevices.isEmpty();
    }
 
    void clear() {
        pinnedAccountDevices.clear();
    }
 
    ImmutableSet<AccountDeviceInstance> getPinnedAccounts() {
        return ImmutableSet.copyOf(pinnedAccountDevices);
    }
 
}