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• Win32LogicalDiskToPartition.java

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oshi.driver.windows.wmi.Win32LogicalDiskToPartition Maven / Gradle / Ivy

/*
 * Copyright 2020-2022 The OSHI Project Contributors
 * SPDX-License-Identifier: MIT
 */
package oshi.driver.windows.wmi;

import com.sun.jna.platform.win32.COM.WbemcliUtil.WmiQuery;
import com.sun.jna.platform.win32.COM.WbemcliUtil.WmiResult;

import oshi.annotation.concurrent.ThreadSafe;
import oshi.util.platform.windows.WmiQueryHandler;

/**
 * Utility to query WMI class {@code Win32_LogicalDiskToPartition}
 */
@ThreadSafe
public final class Win32LogicalDiskToPartition {

    private static final String WIN32_LOGICAL_DISK_TO_PARTITION = "Win32_LogicalDiskToPartition";

    /**
     * Links disk drives to partitions
     */
    public enum DiskToPartitionProperty {
        ANTECEDENT, DEPENDENT, ENDINGADDRESS, STARTINGADDRESS;
    }

    private Win32LogicalDiskToPartition() {
    }

    /**
     * Queries the association between logical disk and partition.
     *
     * @param h An instantiated {@link WmiQueryHandler}. User should have already initialized COM.
     * @return Antecedent-dependent pairs of disk and partition.
     */
    public static WmiResult queryDiskToPartition(WmiQueryHandler h) {
        WmiQuery diskToPartitionQuery = new WmiQuery<>(WIN32_LOGICAL_DISK_TO_PARTITION,
                DiskToPartitionProperty.class);
        return h.queryWMI(diskToPartitionQuery, false);
    }
}