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The AWS Java Mobile SDK for Amazon S3 module holds the client classes that are used for communicating with Amazon Simple Storage Service
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/*
* Copyright 2010-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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 com.amazonaws.services.s3.model;
import com.amazonaws.services.s3.internal.Constants;
import java.util.Date;
/**
* Contains the summary of a version stored in an Amazon S3 bucket. This object
* doesn't contain the version's full metadata or any of its contents.
*
* @see S3Object
* @see S3ObjectSummary
*/
public class S3VersionSummary {
/** The name of the bucket in which this version is stored */
protected String bucketName;
/** The key under which this version is stored */
private String key;
/** The version ID uniquely identifying this version of an object */
private String versionId;
/** True if this is the latest version of the associated object */
private boolean isLatest;
/** The date, according to Amazon S3, when this version was last modified */
private Date lastModified;
/**
* The owner of this version of the associated object - can be null if the
* requester doesn't have permission to view object ownership information
*/
private Owner owner;
/**
* Hex encoded MD5 hash of this version's contents, as computed by Amazon S3
*/
private String eTag;
/** The size of this version, in bytes */
private long size;
/** The class of storage used by Amazon S3 to store this version */
private String storageClass;
/** True if this object represents a delete marker */
private boolean isDeleteMarker;
/**
* Gets the name of the Amazon S3 bucket in which this version is stored.
*
* @return The name of the Amazon S3 bucket in which this version is stored.
* @see S3VersionSummary#setBucketName(String)
*/
public String getBucketName() {
return bucketName;
}
/**
* Sets the name of the Amazon S3 bucket in which this version is stored.
*
* @param bucketName The name of the Amazon S3 bucket in which this version
* is stored.
* @see S3VersionSummary#getBucketName()
*/
public void setBucketName(String bucketName) {
this.bucketName = bucketName;
}
/**
* Gets the key under which this version is stored in Amazon S3.
*
* @return The key under which this version is stored in Amazon S3.
* @see S3VersionSummary#setKey(String)
*/
public String getKey() {
return key;
}
/**
* Sets the key under which this version is stored in Amazon S3.
*
* @param key The key under which this version is stored in Amazon S3.
* @see S3VersionSummary#getKey()
*/
public void setKey(String key) {
this.key = key;
}
/**
* Gets the version ID which uniquely identifies this version of an object.
*
* Objects created before versioning was enabled or when versioning is
* suspended will be given the default/null version ID (see
* {@link Constants#NULL_VERSION_ID}). Note that the
* {@link Constants#NULL_VERSION_ID} is a valid version ID and is not the
* same as not having a version ID.
*
*
* @return The version ID which uniquely identifies this version of an
* object.
* @see S3VersionSummary#setVersionId(String)
*/
public String getVersionId() {
return versionId;
}
/**
* Sets the version ID which uniquely identifies this version of an object.
*
* @param id The version ID which uniquely identifies this version of an
* object.
* @see S3VersionSummary#getVersionId()
*/
public void setVersionId(String id) {
this.versionId = id;
}
/**
* Returns whether or not this version is the latest version for the
* associated object.
*
* @return The value true if this version is the latest version
* for the associated object; returns the value false
* if otherwise.
*/
public boolean isLatest() {
return this.isLatest;
}
/**
* For internal use only. Sets whether this version is the latest version
* for the associated object. This method is intended to be used only by the
* client internals and developers shouldn't need to use it.
*
* @param isLatest True if this version represents the latest version for
* the associated object in S3.
*/
public void setIsLatest(boolean isLatest) {
this.isLatest = isLatest;
}
/**
* Gets the date according to Amazon S3 at which this version was last
* modified.
*
* @return The date according to Amazon S3 at which this version was last
* modified.
* @see S3VersionSummary#setLastModified(Date)
*/
public Date getLastModified() {
return lastModified;
}
/**
* Sets the date according to Amazon S3 at which this version was last
* modified.
*
* @param lastModified The date according to Amazon S3 at which this version
* was last modified.
* @see S3VersionSummary#getLastModified()
*/
public void setLastModified(Date lastModified) {
this.lastModified = lastModified;
}
/**
* Gets the owner of this version. Returns null if the
* requester doesn't have {@link Permission#ReadAcp} permission for this
* version or owns the bucket in which it resides.
*
* @return The owner of this version. Returns null if the
* requester doesn't have permission to see object ownership for
* this version.
* @see S3VersionSummary#setOwner(Owner)
*/
public Owner getOwner() {
return owner;
}
/**
* For internal use only. Sets the owner of this version. This method is
* intended to be used only by the client internals and developers shouldn't
* need to use it.
*
* @param owner The owner of this version.
* @see S3VersionSummary#getOwner()
*/
public void setOwner(Owner owner) {
this.owner = owner;
}
/**
* Returns whether or not this version represents a delete marker.
*
* Delete markers are special types of versions that have no data associated
* with them. When deleting a versioned object in Amazon S3 without
* specifying an explicit version ID, a new delete marker is created as the
* latest version of that object to mark that the object was deleted. This
* occurs even though the previous versions still exist in Amazon S3.
*
*
* Delete markers have no data associated with them and therefore have no
* associated ACL, size or storage class. Only requesters with read access
* to a bucket can learn of their existence by listing the versions in a
* bucket.
*
*
* @return The value true if this version represents a delete
* marker. Returns the value false if otherwise.
*/
public boolean isDeleteMarker() {
return isDeleteMarker;
}
/**
* Intended for internal use only in the Amazon S3 client code. Sets the
* value of the isDeleteMarker property to record if this is a
* delete marker or not.
*
* @param isDeleteMarker Specify
* true if this version summary represents a delete marker,
* otherwise false if it is a regular version summary.
*/
public void setIsDeleteMarker(boolean isDeleteMarker) {
this.isDeleteMarker = isDeleteMarker;
}
/**
* Gets the hex encoded 128-bit MD5 hash of this version's contents as
* computed by Amazon S3.
*
* @return The hex encoded 128-bit MD5 hash of this version's contents as
* computed by Amazon S3.
* @see S3VersionSummary#setETag(String)
*/
public String getETag() {
return eTag;
}
/**
* Sets the hex encoded 128-bit MD5 hash of this version's contents as
* computed by Amazon S3.
*
* @param eTag The hex encoded 128-bit MD5 hash of this version's contents
* as computed by Amazon S3.
* @see S3VersionSummary#getETag()
*/
public void setETag(String eTag) {
this.eTag = eTag;
}
/**
* Gets the storage class used by Amazon S3 for this version.
*
* @return The storage class used by Amazon S3 for this version.
* @see S3VersionSummary#setStorageClass(String)
*/
public String getStorageClass() {
return storageClass;
}
/**
* Sets the storage class used by Amazon S3 for this version.
*
* @param storageClass The storage class used by Amazon S3 for this version.
* @see S3VersionSummary#getStorageClass()
*/
public void setStorageClass(String storageClass) {
this.storageClass = storageClass;
}
/**
* Gets the size of this version in bytes.
*
* @return The size of this version in bytes.
* @see S3VersionSummary#setSize(long)
*/
public long getSize() {
return size;
}
/**
* Sets the size of this version in bytes.
*
* @param size The size of this version in bytes.
* @see S3VersionSummary#getSize()
*/
public void setSize(long size) {
this.size = size;
}
}