github.com/opcr-io/oras-go/v2@v2.0.0-20231122155130-eb4260d8a0ae/target.go (about)

     1  /*
     2  Copyright The ORAS Authors.
     3  Licensed under the Apache License, Version 2.0 (the "License");
     4  you may not use this file except in compliance with the License.
     5  You may obtain a copy of the License at
     6  
     7  http://www.apache.org/licenses/LICENSE-2.0
     8  
     9  Unless required by applicable law or agreed to in writing, software
    10  distributed under the License is distributed on an "AS IS" BASIS,
    11  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  See the License for the specific language governing permissions and
    13  limitations under the License.
    14  */
    15  
    16  package oras
    17  
    18  import "github.com/opcr-io/oras-go/v2/content"
    19  
    20  // Target is a CAS with generic tags.
    21  type Target interface {
    22  	content.Storage
    23  	content.TagResolver
    24  }
    25  
    26  // GraphTarget is a CAS with generic tags that supports direct predecessor node
    27  // finding.
    28  type GraphTarget interface {
    29  	content.GraphStorage
    30  	content.TagResolver
    31  }
    32  
    33  // ReadOnlyTarget represents a read-only Target.
    34  type ReadOnlyTarget interface {
    35  	content.ReadOnlyStorage
    36  	content.Resolver
    37  }
    38  
    39  // ReadOnlyGraphTarget represents a read-only GraphTarget.
    40  type ReadOnlyGraphTarget interface {
    41  	content.ReadOnlyGraphStorage
    42  	content.Resolver
    43  }