// Copyright 2023 Google LLC
//
// 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.

syntax = "proto3";

package google.cloud.dataplex.v1;

import "google/api/field_behavior.proto";
import "google/api/resource.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/timestamp.proto";

option go_package = "cloud.google.com/go/dataplex/apiv1/dataplexpb;dataplexpb";
option java_multiple_files = true;
option java_outer_classname = "ResourcesProto";
option java_package = "com.google.cloud.dataplex.v1";

// A lake is a centralized repository for managing enterprise data across the
// organization distributed across many cloud projects, and stored in a variety
// of storage services such as Google Cloud Storage and BigQuery. The resources
// attached to a lake are referred to as managed resources. Data within these
// managed resources can be structured or unstructured. A lake provides data
// admins with tools to organize, secure and manage their data at scale, and
// provides data scientists and data engineers an integrated experience to
// easily search, discover, analyze and transform data and associated metadata.
message Lake {
  option (google.api.resource) = {
    type: "dataplex.googleapis.com/Lake"
    pattern: "projects/{project}/locations/{location}/lakes/{lake}"
  };

  // Settings to manage association of Dataproc Metastore with a lake.
  message Metastore {
    // Optional. A relative reference to the Dataproc Metastore
    // (https://cloud.google.com/dataproc-metastore/docs) service associated
    // with the lake:
    // `projects/{project_id}/locations/{location_id}/services/{service_id}`
    string service = 1 [(google.api.field_behavior) = OPTIONAL];
  }

  // Status of Lake and Dataproc Metastore service instance association.
  message MetastoreStatus {
    // Current state of association.
    enum State {
      // Unspecified.
      STATE_UNSPECIFIED = 0;

      // A Metastore service instance is not associated with the lake.
      NONE = 1;

      // A Metastore service instance is attached to the lake.
      READY = 2;

      // Attach/detach is in progress.
      UPDATING = 3;

      // Attach/detach could not be done due to errors.
      ERROR = 4;
    }

    // Current state of association.
    State state = 1;

    // Additional information about the current status.
    string message = 2;

    // Last update time of the metastore status of the lake.
    google.protobuf.Timestamp update_time = 3;

    // The URI of the endpoint used to access the Metastore service.
    string endpoint = 4;
  }

  // Output only. The relative resource name of the lake, of the form:
  // `projects/{project_number}/locations/{location_id}/lakes/{lake_id}`.
  string name = 1 [
    (google.api.field_behavior) = OUTPUT_ONLY,
    (google.api.resource_reference) = { type: "dataplex.googleapis.com/Lake" }
  ];

  // Optional. User friendly display name.
  string display_name = 2 [(google.api.field_behavior) = OPTIONAL];

  // Output only. System generated globally unique ID for the lake. This ID will
  // be different if the lake is deleted and re-created with the same name.
  string uid = 3 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The time when the lake was created.
  google.protobuf.Timestamp create_time = 4
      [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The time when the lake was last updated.
  google.protobuf.Timestamp update_time = 5
      [(google.api.field_behavior) = OUTPUT_ONLY];

  // Optional. User-defined labels for the lake.
  map<string, string> labels = 6 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Description of the lake.
  string description = 7 [(google.api.field_behavior) = OPTIONAL];

  // Output only. Current state of the lake.
  State state = 8 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. Service account associated with this lake. This service
  // account must be authorized to access or operate on resources managed by the
  // lake.
  string service_account = 9 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Optional. Settings to manage lake and Dataproc Metastore service instance
  // association.
  Metastore metastore = 102 [(google.api.field_behavior) = OPTIONAL];

  // Output only. Aggregated status of the underlying assets of the lake.
  AssetStatus asset_status = 103 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. Metastore status of the lake.
  MetastoreStatus metastore_status = 104
      [(google.api.field_behavior) = OUTPUT_ONLY];
}

// Aggregated status of the underlying assets of a lake or zone.
message AssetStatus {
  // Last update time of the status.
  google.protobuf.Timestamp update_time = 1;

  // Number of active assets.
  int32 active_assets = 2;

  // Number of assets that are in process of updating the security policy on
  // attached resources.
  int32 security_policy_applying_assets = 3;
}

// A zone represents a logical group of related assets within a lake. A zone can
// be used to map to organizational structure or represent stages of data
// readiness from raw to curated. It provides managing behavior that is shared
// or inherited by all contained assets.
message Zone {
  option (google.api.resource) = {
    type: "dataplex.googleapis.com/Zone"
    pattern: "projects/{project}/locations/{location}/lakes/{lake}/zones/{zone}"
  };

  // Type of zone.
  enum Type {
    // Zone type not specified.
    TYPE_UNSPECIFIED = 0;

    // A zone that contains data that needs further processing before it is
    // considered generally ready for consumption and analytics workloads.
    RAW = 1;

    // A zone that contains data that is considered to be ready for broader
    // consumption and analytics workloads. Curated structured data stored in
    // Cloud Storage must conform to certain file formats (parquet, avro and
    // orc) and organized in a hive-compatible directory layout.
    CURATED = 2;
  }

  // Settings for resources attached as assets within a zone.
  message ResourceSpec {
    // Location type of the resources attached to a zone.
    enum LocationType {
      // Unspecified location type.
      LOCATION_TYPE_UNSPECIFIED = 0;

      // Resources that are associated with a single region.
      SINGLE_REGION = 1;

      // Resources that are associated with a multi-region location.
      MULTI_REGION = 2;
    }

    // Required. Immutable. The location type of the resources that are allowed
    // to be attached to the assets within this zone.
    LocationType location_type = 1 [
      (google.api.field_behavior) = REQUIRED,
      (google.api.field_behavior) = IMMUTABLE
    ];
  }

  // Settings to manage the metadata discovery and publishing in a zone.
  message DiscoverySpec {
    // Describe CSV and similar semi-structured data formats.
    message CsvOptions {
      // Optional. The number of rows to interpret as header rows that should be
      // skipped when reading data rows.
      int32 header_rows = 1 [(google.api.field_behavior) = OPTIONAL];

      // Optional. The delimiter being used to separate values. This defaults to
      // ','.
      string delimiter = 2 [(google.api.field_behavior) = OPTIONAL];

      // Optional. The character encoding of the data. The default is UTF-8.
      string encoding = 3 [(google.api.field_behavior) = OPTIONAL];

      // Optional. Whether to disable the inference of data type for CSV data.
      // If true, all columns will be registered as strings.
      bool disable_type_inference = 4 [(google.api.field_behavior) = OPTIONAL];
    }

    // Describe JSON data format.
    message JsonOptions {
      // Optional. The character encoding of the data. The default is UTF-8.
      string encoding = 1 [(google.api.field_behavior) = OPTIONAL];

      // Optional. Whether to disable the inference of data type for Json data.
      // If true, all columns will be registered as their primitive types
      // (strings, number or boolean).
      bool disable_type_inference = 2 [(google.api.field_behavior) = OPTIONAL];
    }

    // Required. Whether discovery is enabled.
    bool enabled = 1 [(google.api.field_behavior) = REQUIRED];

    // Optional. The list of patterns to apply for selecting data to include
    // during discovery if only a subset of the data should considered. For
    // Cloud Storage bucket assets, these are interpreted as glob patterns used
    // to match object names. For BigQuery dataset assets, these are interpreted
    // as patterns to match table names.
    repeated string include_patterns = 2
        [(google.api.field_behavior) = OPTIONAL];

    // Optional. The list of patterns to apply for selecting data to exclude
    // during discovery.  For Cloud Storage bucket assets, these are interpreted
    // as glob patterns used to match object names. For BigQuery dataset assets,
    // these are interpreted as patterns to match table names.
    repeated string exclude_patterns = 3
        [(google.api.field_behavior) = OPTIONAL];

    // Optional. Configuration for CSV data.
    CsvOptions csv_options = 4 [(google.api.field_behavior) = OPTIONAL];

    // Optional. Configuration for Json data.
    JsonOptions json_options = 5 [(google.api.field_behavior) = OPTIONAL];

    // Determines when discovery is triggered.
    oneof trigger {
      // Optional. Cron schedule (https://en.wikipedia.org/wiki/Cron) for
      // running discovery periodically. Successive discovery runs must be
      // scheduled at least 60 minutes apart. The default value is to run
      // discovery every 60 minutes. To explicitly set a timezone to the cron
      // tab, apply a prefix in the cron tab: "CRON_TZ=${IANA_TIME_ZONE}" or
      // TZ=${IANA_TIME_ZONE}". The ${IANA_TIME_ZONE} may only be a valid string
      // from IANA time zone database. For example, `CRON_TZ=America/New_York 1
      // * * * *`, or `TZ=America/New_York 1 * * * *`.
      string schedule = 10 [(google.api.field_behavior) = OPTIONAL];
    }
  }

  // Output only. The relative resource name of the zone, of the form:
  // `projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}`.
  string name = 1 [
    (google.api.field_behavior) = OUTPUT_ONLY,
    (google.api.resource_reference) = { type: "dataplex.googleapis.com/Zone" }
  ];

  // Optional. User friendly display name.
  string display_name = 2 [(google.api.field_behavior) = OPTIONAL];

  // Output only. System generated globally unique ID for the zone. This ID will
  // be different if the zone is deleted and re-created with the same name.
  string uid = 3 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The time when the zone was created.
  google.protobuf.Timestamp create_time = 4
      [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The time when the zone was last updated.
  google.protobuf.Timestamp update_time = 5
      [(google.api.field_behavior) = OUTPUT_ONLY];

  // Optional. User defined labels for the zone.
  map<string, string> labels = 6 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Description of the zone.
  string description = 7 [(google.api.field_behavior) = OPTIONAL];

  // Output only. Current state of the zone.
  State state = 8 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Required. Immutable. The type of the zone.
  Type type = 9 [
    (google.api.field_behavior) = REQUIRED,
    (google.api.field_behavior) = IMMUTABLE
  ];

  // Optional. Specification of the discovery feature applied to data in this
  // zone.
  DiscoverySpec discovery_spec = 103 [(google.api.field_behavior) = OPTIONAL];

  // Required. Specification of the resources that are referenced by the assets
  // within this zone.
  ResourceSpec resource_spec = 104 [(google.api.field_behavior) = REQUIRED];

  // Output only. Aggregated status of the underlying assets of the zone.
  AssetStatus asset_status = 105 [(google.api.field_behavior) = OUTPUT_ONLY];
}

// Action represents an issue requiring administrator action for resolution.
message Action {
  option (google.api.resource) = {
    type: "dataplex.googleapis.com/Action"
    pattern: "projects/{project}/locations/{location}/lakes/{lake}/actions/{action}"
    pattern: "projects/{project}/locations/{location}/lakes/{lake}/zones/{zone}/actions/{action}"
    pattern: "projects/{project}/locations/{location}/lakes/{lake}/zones/{zone}/assets/{asset}/actions/{action}"
  };

  // The category of issues.
  enum Category {
    // Unspecified category.
    CATEGORY_UNSPECIFIED = 0;

    // Resource management related issues.
    RESOURCE_MANAGEMENT = 1;

    // Security policy related issues.
    SECURITY_POLICY = 2;

    // Data and discovery related issues.
    DATA_DISCOVERY = 3;
  }

  // Action details for resource references in assets that cannot be located.
  message MissingResource {}

  // Action details for unauthorized resource issues raised to indicate that the
  // service account associated with the lake instance is not authorized to
  // access or manage the resource associated with an asset.
  message UnauthorizedResource {}

  // Failed to apply security policy to the managed resource(s) under a
  // lake, zone or an asset. For a lake or zone resource, one or more underlying
  // assets has a failure applying security policy to the associated managed
  // resource.
  message FailedSecurityPolicyApply {
    // Resource name of one of the assets with failing security policy
    // application. Populated for a lake or zone resource only.
    string asset = 1;
  }

  // Action details for invalid or unsupported data files detected by discovery.
  message InvalidDataFormat {
    // The list of data locations sampled and used for format/schema
    // inference.
    repeated string sampled_data_locations = 1;

    // The expected data format of the entity.
    string expected_format = 2;

    // The new unexpected data format within the entity.
    string new_format = 3;
  }

  // Action details for incompatible schemas detected by discovery.
  message IncompatibleDataSchema {
    // Whether the action relates to a schema that is incompatible or modified.
    enum SchemaChange {
      // Schema change unspecified.
      SCHEMA_CHANGE_UNSPECIFIED = 0;

      // Newly discovered schema is incompatible with existing schema.
      INCOMPATIBLE = 1;

      // Newly discovered schema has changed from existing schema for data in a
      // curated zone.
      MODIFIED = 2;
    }

    // The name of the table containing invalid data.
    string table = 1;

    // The existing and expected schema of the table. The schema is provided as
    // a JSON formatted structure listing columns and data types.
    string existing_schema = 2;

    // The new and incompatible schema within the table. The schema is provided
    // as a JSON formatted structured listing columns and data types.
    string new_schema = 3;

    // The list of data locations sampled and used for format/schema
    // inference.
    repeated string sampled_data_locations = 4;

    // Whether the action relates to a schema that is incompatible or modified.
    SchemaChange schema_change = 5;
  }

  // Action details for invalid or unsupported partitions detected by discovery.
  message InvalidDataPartition {
    // The expected partition structure.
    enum PartitionStructure {
      // PartitionStructure unspecified.
      PARTITION_STRUCTURE_UNSPECIFIED = 0;

      // Consistent hive-style partition definition (both raw and curated zone).
      CONSISTENT_KEYS = 1;

      // Hive style partition definition (curated zone only).
      HIVE_STYLE_KEYS = 2;
    }

    // The issue type of InvalidDataPartition.
    PartitionStructure expected_structure = 1;
  }

  // Action details for absence of data detected by discovery.
  message MissingData {}

  // Action details for invalid data arrangement.
  message InvalidDataOrganization {}

  // The category of issue associated with the action.
  Category category = 1;

  // Detailed description of the issue requiring action.
  string issue = 2;

  // The time that the issue was detected.
  google.protobuf.Timestamp detect_time = 4;

  // Output only. The relative resource name of the action, of the form:
  // `projects/{project}/locations/{location}/lakes/{lake}/actions/{action}`
  // `projects/{project}/locations/{location}/lakes/{lake}/zones/{zone}/actions/{action}`
  // `projects/{project}/locations/{location}/lakes/{lake}/zones/{zone}/assets/{asset}/actions/{action}`.
  string name = 5 [
    (google.api.field_behavior) = OUTPUT_ONLY,
    (google.api.resource_reference) = { type: "dataplex.googleapis.com/Action" }
  ];

  // Output only. The relative resource name of the lake, of the form:
  // `projects/{project_number}/locations/{location_id}/lakes/{lake_id}`.
  string lake = 6 [
    (google.api.field_behavior) = OUTPUT_ONLY,
    (google.api.resource_reference) = { type: "dataplex.googleapis.com/Lake" }
  ];

  // Output only. The relative resource name of the zone, of the form:
  // `projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}`.
  string zone = 7 [
    (google.api.field_behavior) = OUTPUT_ONLY,
    (google.api.resource_reference) = { type: "dataplex.googleapis.com/Zone" }
  ];

  // Output only. The relative resource name of the asset, of the form:
  // `projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/assets/{asset_id}`.
  string asset = 8 [
    (google.api.field_behavior) = OUTPUT_ONLY,
    (google.api.resource_reference) = { type: "dataplex.googleapis.com/Asset" }
  ];

  // The list of data locations associated with this action. Cloud Storage
  // locations are represented as URI paths(E.g.
  // `gs://bucket/table1/year=2020/month=Jan/`). BigQuery locations refer to
  // resource names(E.g.
  // `bigquery.googleapis.com/projects/project-id/datasets/dataset-id`).
  repeated string data_locations = 9;

  // Additional details about the action based on the action category.
  oneof details {
    // Details for issues related to invalid or unsupported data formats.
    InvalidDataFormat invalid_data_format = 10;

    // Details for issues related to incompatible schemas detected within data.
    IncompatibleDataSchema incompatible_data_schema = 11;

    // Details for issues related to invalid or unsupported data partition
    // structure.
    InvalidDataPartition invalid_data_partition = 12;

    // Details for issues related to absence of data within managed resources.
    MissingData missing_data = 13;

    // Details for issues related to absence of a managed resource.
    MissingResource missing_resource = 14;

    // Details for issues related to lack of permissions to access data
    // resources.
    UnauthorizedResource unauthorized_resource = 15;

    // Details for issues related to applying security policy.
    FailedSecurityPolicyApply failed_security_policy_apply = 21;

    // Details for issues related to invalid data arrangement.
    InvalidDataOrganization invalid_data_organization = 22;
  }
}

// An asset represents a cloud resource that is being managed within a lake as a
// member of a zone.
message Asset {
  option (google.api.resource) = {
    type: "dataplex.googleapis.com/Asset"
    pattern: "projects/{project}/locations/{location}/lakes/{lake}/zones/{zone}/assets/{asset}"
  };

  // Security policy status of the asset. Data security policy, i.e., readers,
  // writers & owners, should be specified in the lake/zone/asset IAM policy.
  message SecurityStatus {
    // The state of the security policy.
    enum State {
      // State unspecified.
      STATE_UNSPECIFIED = 0;

      // Security policy has been successfully applied to the attached resource.
      READY = 1;

      // Security policy is in the process of being applied to the attached
      // resource.
      APPLYING = 2;

      // Security policy could not be applied to the attached resource due to
      // errors.
      ERROR = 3;
    }

    // The current state of the security policy applied to the attached
    // resource.
    State state = 1;

    // Additional information about the current state.
    string message = 2;

    // Last update time of the status.
    google.protobuf.Timestamp update_time = 3;
  }

  // Settings to manage the metadata discovery and publishing for an asset.
  message DiscoverySpec {
    // Describe CSV and similar semi-structured data formats.
    message CsvOptions {
      // Optional. The number of rows to interpret as header rows that should be
      // skipped when reading data rows.
      int32 header_rows = 1 [(google.api.field_behavior) = OPTIONAL];

      // Optional. The delimiter being used to separate values. This defaults to
      // ','.
      string delimiter = 2 [(google.api.field_behavior) = OPTIONAL];

      // Optional. The character encoding of the data. The default is UTF-8.
      string encoding = 3 [(google.api.field_behavior) = OPTIONAL];

      // Optional. Whether to disable the inference of data type for CSV data.
      // If true, all columns will be registered as strings.
      bool disable_type_inference = 4 [(google.api.field_behavior) = OPTIONAL];
    }

    // Describe JSON data format.
    message JsonOptions {
      // Optional. The character encoding of the data. The default is UTF-8.
      string encoding = 1 [(google.api.field_behavior) = OPTIONAL];

      // Optional. Whether to disable the inference of data type for Json data.
      // If true, all columns will be registered as their primitive types
      // (strings, number or boolean).
      bool disable_type_inference = 2 [(google.api.field_behavior) = OPTIONAL];
    }

    // Optional. Whether discovery is enabled.
    bool enabled = 1 [(google.api.field_behavior) = OPTIONAL];

    // Optional. The list of patterns to apply for selecting data to include
    // during discovery if only a subset of the data should considered.  For
    // Cloud Storage bucket assets, these are interpreted as glob patterns used
    // to match object names. For BigQuery dataset assets, these are interpreted
    // as patterns to match table names.
    repeated string include_patterns = 2
        [(google.api.field_behavior) = OPTIONAL];

    // Optional. The list of patterns to apply for selecting data to exclude
    // during discovery.  For Cloud Storage bucket assets, these are interpreted
    // as glob patterns used to match object names. For BigQuery dataset assets,
    // these are interpreted as patterns to match table names.
    repeated string exclude_patterns = 3
        [(google.api.field_behavior) = OPTIONAL];

    // Optional. Configuration for CSV data.
    CsvOptions csv_options = 4 [(google.api.field_behavior) = OPTIONAL];

    // Optional. Configuration for Json data.
    JsonOptions json_options = 5 [(google.api.field_behavior) = OPTIONAL];

    // Determines when discovery is triggered.
    oneof trigger {
      // Optional. Cron schedule (https://en.wikipedia.org/wiki/Cron) for
      // running discovery periodically. Successive discovery runs must be
      // scheduled at least 60 minutes apart. The default value is to run
      // discovery every 60 minutes. To explicitly set a timezone to the cron
      // tab, apply a prefix in the cron tab: "CRON_TZ=${IANA_TIME_ZONE}" or
      // TZ=${IANA_TIME_ZONE}". The ${IANA_TIME_ZONE} may only be a valid string
      // from IANA time zone database. For example, `CRON_TZ=America/New_York 1
      // * * * *`, or `TZ=America/New_York 1 * * * *`.
      string schedule = 10 [(google.api.field_behavior) = OPTIONAL];
    }
  }

  // Identifies the cloud resource that is referenced by this asset.
  message ResourceSpec {
    // Type of resource.
    enum Type {
      // Type not specified.
      TYPE_UNSPECIFIED = 0;

      // Cloud Storage bucket.
      STORAGE_BUCKET = 1;

      // BigQuery dataset.
      BIGQUERY_DATASET = 2;
    }

    // Access Mode determines how data stored within the resource is read. This
    // is only applicable to storage bucket assets.
    enum AccessMode {
      // Access mode unspecified.
      ACCESS_MODE_UNSPECIFIED = 0;

      // Default. Data is accessed directly using storage APIs.
      DIRECT = 1;

      // Data is accessed through a managed interface using BigQuery APIs.
      MANAGED = 2;
    }

    // Immutable. Relative name of the cloud resource that contains the data
    // that is being managed within a lake. For example:
    //   `projects/{project_number}/buckets/{bucket_id}`
    //   `projects/{project_number}/datasets/{dataset_id}`
    string name = 1 [(google.api.field_behavior) = IMMUTABLE];

    // Required. Immutable. Type of resource.
    Type type = 2 [
      (google.api.field_behavior) = REQUIRED,
      (google.api.field_behavior) = IMMUTABLE
    ];

    // Optional. Determines how read permissions are handled for each asset and
    // their associated tables. Only available to storage buckets assets.
    AccessMode read_access_mode = 5 [(google.api.field_behavior) = OPTIONAL];
  }

  // Status of the resource referenced by an asset.
  message ResourceStatus {
    // The state of a resource.
    enum State {
      // State unspecified.
      STATE_UNSPECIFIED = 0;

      // Resource does not have any errors.
      READY = 1;

      // Resource has errors.
      ERROR = 2;
    }

    // The current state of the managed resource.
    State state = 1;

    // Additional information about the current state.
    string message = 2;

    // Last update time of the status.
    google.protobuf.Timestamp update_time = 3;

    // Output only. Service account associated with the BigQuery Connection.
    string managed_access_identity = 4
        [(google.api.field_behavior) = OUTPUT_ONLY];
  }

  // Status of discovery for an asset.
  message DiscoveryStatus {
    // Current state of discovery.
    enum State {
      // State is unspecified.
      STATE_UNSPECIFIED = 0;

      // Discovery for the asset is scheduled.
      SCHEDULED = 1;

      // Discovery for the asset is running.
      IN_PROGRESS = 2;

      // Discovery for the asset is currently paused (e.g. due to a lack
      // of available resources). It will be automatically resumed.
      PAUSED = 3;

      // Discovery for the asset is disabled.
      DISABLED = 5;
    }

    // The aggregated data statistics for the asset reported by discovery.
    message Stats {
      // The count of data items within the referenced resource.
      int64 data_items = 1;

      // The number of stored data bytes within the referenced resource.
      int64 data_size = 2;

      // The count of table entities within the referenced resource.
      int64 tables = 3;

      // The count of fileset entities within the referenced resource.
      int64 filesets = 4;
    }

    // The current status of the discovery feature.
    State state = 1;

    // Additional information about the current state.
    string message = 2;

    // Last update time of the status.
    google.protobuf.Timestamp update_time = 3;

    // The start time of the last discovery run.
    google.protobuf.Timestamp last_run_time = 4;

    // Data Stats of the asset reported by discovery.
    Stats stats = 6;

    // The duration of the last discovery run.
    google.protobuf.Duration last_run_duration = 7;
  }

  // Output only. The relative resource name of the asset, of the form:
  // `projects/{project_number}/locations/{location_id}/lakes/{lake_id}/zones/{zone_id}/assets/{asset_id}`.
  string name = 1 [
    (google.api.field_behavior) = OUTPUT_ONLY,
    (google.api.resource_reference) = { type: "dataplex.googleapis.com/Asset" }
  ];

  // Optional. User friendly display name.
  string display_name = 2 [(google.api.field_behavior) = OPTIONAL];

  // Output only. System generated globally unique ID for the asset. This ID
  // will be different if the asset is deleted and re-created with the same
  // name.
  string uid = 3 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The time when the asset was created.
  google.protobuf.Timestamp create_time = 4
      [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. The time when the asset was last updated.
  google.protobuf.Timestamp update_time = 5
      [(google.api.field_behavior) = OUTPUT_ONLY];

  // Optional. User defined labels for the asset.
  map<string, string> labels = 6 [(google.api.field_behavior) = OPTIONAL];

  // Optional. Description of the asset.
  string description = 7 [(google.api.field_behavior) = OPTIONAL];

  // Output only. Current state of the asset.
  State state = 8 [(google.api.field_behavior) = OUTPUT_ONLY];

  // Required. Specification of the resource that is referenced by this asset.
  ResourceSpec resource_spec = 100 [(google.api.field_behavior) = REQUIRED];

  // Output only. Status of the resource referenced by this asset.
  ResourceStatus resource_status = 101
      [(google.api.field_behavior) = OUTPUT_ONLY];

  // Output only. Status of the security policy applied to resource referenced
  // by this asset.
  SecurityStatus security_status = 103
      [(google.api.field_behavior) = OUTPUT_ONLY];

  // Optional. Specification of the discovery feature applied to data referenced
  // by this asset. When this spec is left unset, the asset will use the spec
  // set on the parent zone.
  DiscoverySpec discovery_spec = 106 [(google.api.field_behavior) = OPTIONAL];

  // Output only. Status of the discovery feature applied to data referenced by
  // this asset.
  DiscoveryStatus discovery_status = 107
      [(google.api.field_behavior) = OUTPUT_ONLY];
}

// State of a resource.
enum State {
  // State is not specified.
  STATE_UNSPECIFIED = 0;

  // Resource is active, i.e., ready to use.
  ACTIVE = 1;

  // Resource is under creation.
  CREATING = 2;

  // Resource is under deletion.
  DELETING = 3;

  // Resource is active but has unresolved actions.
  ACTION_REQUIRED = 4;
}