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Policy (Cloud Pub/Sub API v1-rev20240918-2.0.0)













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com.google.api.services.pubsub.model


Class Policy









    

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    All Implemented Interfaces:
    

    Cloneable, Map<String,Object>
    

    

    

    

    public final class Policy
extends com.google.api.client.json.GenericJson
    

    An Identity and Access Management (IAM) policy, which specifies access controls for Google Cloud
 resources. A `Policy` is a collection of `bindings`. A `binding` binds one or more `members`, or
 principals, to a single `role`. Principals can be user accounts, service accounts, Google groups,
 and domains (such as G Suite). A `role` is a named list of permissions; each `role` can be an IAM
 predefined role or a user-created custom role. For some types of Google Cloud resources, a
 `binding` can also specify a `condition`, which is a logical expression that allows access to a
 resource only if the expression evaluates to `true`. A condition can add constraints based on
 attributes of the request, the resource, or both. To learn which resources support conditions in
 their IAM policies, see the [IAM
 documentation](https://cloud.google.com/iam/help/conditions/resource-policies). **JSON example:**
 ``` { "bindings": [ { "role": "roles/resourcemanager.organizationAdmin", "members": [
 "user:[email protected]", "group:[email protected]", "domain:google.com", "serviceAccount:my-
 [email protected]" ] }, { "role":
 "roles/resourcemanager.organizationViewer", "members": [ "user:[email protected]" ], "condition": {
 "title": "expirable access", "description": "Does not grant access after Sep 2020", "expression":
 "request.time < timestamp('2020-10-01T00:00:00.000Z')", } } ], "etag": "BwWWja0YfJA=", "version":
 3 } ``` **YAML example:** ``` bindings: - members: - user:[email protected] -
 group:[email protected] - domain:google.com - serviceAccount:my-project-
 [email protected] role: roles/resourcemanager.organizationAdmin - members: -
 user:[email protected] role: roles/resourcemanager.organizationViewer condition: title: expirable
 access description: Does not grant access after Sep 2020 expression: request.time <
 timestamp('2020-10-01T00:00:00.000Z') etag: BwWWja0YfJA= version: 3 ``` For a description of IAM
 and its features, see the [IAM documentation](https://cloud.google.com/iam/docs/).

 
     This is the Java data model class that specifies how to parse/serialize into the JSON that is
 transmitted over HTTP when working with the Cloud Pub/Sub API. For a detailed explanation see:
 https://developers.google.com/api-client-library/java/google-http-java-client/json
 
    

    

    Author:
    

    Google, Inc.
    

    

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      Constructor Detail
      




        

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        Policy
        

        public Policy()
        

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      Method Detail
      




        

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        getBindings
        

        public List<Binding> getBindings()
        

        Associates a list of `members`, or principals, with a `role`. Optionally, may specify a
 `condition` that determines how and when the `bindings` are applied. Each of the `bindings`
 must contain at least one principal. The `bindings` in a `Policy` can refer to up to 1,500
 principals; up to 250 of these principals can be Google groups. Each occurrence of a principal
 counts towards these limits. For example, if the `bindings` grant 50 different roles to
 `user:[email protected]`, and not to any other principal, then you can add another 1,450
 principals to the `bindings` in the `Policy`.
        

        

        Returns:
        

        value or null for none
        

        

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        setBindings
        

        public Policy setBindings(List<Binding> bindings)
        

        Associates a list of `members`, or principals, with a `role`. Optionally, may specify a
 `condition` that determines how and when the `bindings` are applied. Each of the `bindings`
 must contain at least one principal. The `bindings` in a `Policy` can refer to up to 1,500
 principals; up to 250 of these principals can be Google groups. Each occurrence of a principal
 counts towards these limits. For example, if the `bindings` grant 50 different roles to
 `user:[email protected]`, and not to any other principal, then you can add another 1,450
 principals to the `bindings` in the `Policy`.
        

        

        Parameters:
        

        bindings - bindings or null for none
        

        

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        getEtag
        

        public String getEtag()
        

        `etag` is used for optimistic concurrency control as a way to help prevent simultaneous updates
 of a policy from overwriting each other. It is strongly suggested that systems make use of the
 `etag` in the read-modify-write cycle to perform policy updates in order to avoid race
 conditions: An `etag` is returned in the response to `getIamPolicy`, and systems are expected
 to put that etag in the request to `setIamPolicy` to ensure that their change will be applied
 to the same version of the policy. **Important:** If you use IAM Conditions, you must include
 the `etag` field whenever you call `setIamPolicy`. If you omit this field, then IAM allows you
 to overwrite a version `3` policy with a version `1` policy, and all of the conditions in the
 version `3` policy are lost.
        

        

        Returns:
        

        value or null for none
        

        See Also:
        

        decodeEtag()
        

        

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        decodeEtag
        

        public byte[] decodeEtag()
        

        `etag` is used for optimistic concurrency control as a way to help prevent simultaneous updates
 of a policy from overwriting each other. It is strongly suggested that systems make use of the
 `etag` in the read-modify-write cycle to perform policy updates in order to avoid race
 conditions: An `etag` is returned in the response to `getIamPolicy`, and systems are expected
 to put that etag in the request to `setIamPolicy` to ensure that their change will be applied
 to the same version of the policy. **Important:** If you use IAM Conditions, you must include
 the `etag` field whenever you call `setIamPolicy`. If you omit this field, then IAM allows you
 to overwrite a version `3` policy with a version `1` policy, and all of the conditions in the
 version `3` policy are lost.
        

        

        Returns:
        

        Base64 decoded value or null for none
        

        Since:
        

        1.14
        

        See Also:
        

        getEtag()
        

        

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        setEtag
        

        public Policy setEtag(String etag)
        

        `etag` is used for optimistic concurrency control as a way to help prevent simultaneous updates
 of a policy from overwriting each other. It is strongly suggested that systems make use of the
 `etag` in the read-modify-write cycle to perform policy updates in order to avoid race
 conditions: An `etag` is returned in the response to `getIamPolicy`, and systems are expected
 to put that etag in the request to `setIamPolicy` to ensure that their change will be applied
 to the same version of the policy. **Important:** If you use IAM Conditions, you must include
 the `etag` field whenever you call `setIamPolicy`. If you omit this field, then IAM allows you
 to overwrite a version `3` policy with a version `1` policy, and all of the conditions in the
 version `3` policy are lost.
        

        

        Parameters:
        

        etag - etag or null for none
        

        See Also:
        

        #encodeEtag()
        

        

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        encodeEtag
        

        public Policy encodeEtag(byte[] etag)
        

        `etag` is used for optimistic concurrency control as a way to help prevent simultaneous updates
 of a policy from overwriting each other. It is strongly suggested that systems make use of the
 `etag` in the read-modify-write cycle to perform policy updates in order to avoid race
 conditions: An `etag` is returned in the response to `getIamPolicy`, and systems are expected
 to put that etag in the request to `setIamPolicy` to ensure that their change will be applied
 to the same version of the policy. **Important:** If you use IAM Conditions, you must include
 the `etag` field whenever you call `setIamPolicy`. If you omit this field, then IAM allows you
 to overwrite a version `3` policy with a version `1` policy, and all of the conditions in the
 version `3` policy are lost.
        

        

        Since:
        

        1.14
        

        See Also:
        

        
 The value is encoded Base64 or {@code null} for none.
 
        

        

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        getVersion
        

        public Integer getVersion()
        

        Specifies the format of the policy. Valid values are `0`, `1`, and `3`. Requests that specify
 an invalid value are rejected. Any operation that affects conditional role bindings must
 specify version `3`. This requirement applies to the following operations: * Getting a policy
 that includes a conditional role binding * Adding a conditional role binding to a policy *
 Changing a conditional role binding in a policy * Removing any role binding, with or without a
 condition, from a policy that includes conditions **Important:** If you use IAM Conditions, you
 must include the `etag` field whenever you call `setIamPolicy`. If you omit this field, then
 IAM allows you to overwrite a version `3` policy with a version `1` policy, and all of the
 conditions in the version `3` policy are lost. If a policy does not include any conditions,
 operations on that policy may specify any valid version or leave the field unset. To learn
 which resources support conditions in their IAM policies, see the [IAM
 documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
        

        

        Returns:
        

        value or null for none
        

        

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        setVersion
        

        public Policy setVersion(Integer version)
        

        Specifies the format of the policy. Valid values are `0`, `1`, and `3`. Requests that specify
 an invalid value are rejected. Any operation that affects conditional role bindings must
 specify version `3`. This requirement applies to the following operations: * Getting a policy
 that includes a conditional role binding * Adding a conditional role binding to a policy *
 Changing a conditional role binding in a policy * Removing any role binding, with or without a
 condition, from a policy that includes conditions **Important:** If you use IAM Conditions, you
 must include the `etag` field whenever you call `setIamPolicy`. If you omit this field, then
 IAM allows you to overwrite a version `3` policy with a version `1` policy, and all of the
 conditions in the version `3` policy are lost. If a policy does not include any conditions,
 operations on that policy may specify any valid version or leave the field unset. To learn
 which resources support conditions in their IAM policies, see the [IAM
 documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
        

        

        Parameters:
        

        version - version or null for none
        

        

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        set
        

        public Policy set(String fieldName,
                  Object value)
        

        

        Overrides:
        

        set in class com.google.api.client.json.GenericJson
        

        

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        clone
        

        public Policy clone()
        

        

        Overrides:
        

        clone in class com.google.api.client.json.GenericJson
        

        

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