java.lang.Object
- com.google.cloud.hadoop.gcsio.GoogleCloudStorageItemInfo

```
public class GoogleCloudStorageItemInfo
extends Object
```
Contains information about an item in Google Cloud Storage.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static interface`	`GoogleCloudStorageItemInfo.Provider`	Convenience interface for classes which want to implement Provider of GoogleCloudStorageItemInfo for callers which may not know the concrete type of an object, but want to check if the object happens to be an instance of this InfoProvider.

Field Summary

Fields
Modifier and Type Field Description

static GoogleCloudStorageItemInfo ROOT_INFO

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static GoogleCloudStorageItemInfo`	`createBucket(StorageResourceId resourceId, long creationTime, long modificationTime, String location, String storageClass)`	Factory method for creating a GoogleCloudStorageItemInfo for a bucket.
`static GoogleCloudStorageItemInfo`	`createFolder(StorageResourceId resourceId, com.google.storage.control.v2.Folder folder)`	Factory method for creating a GoogleCloudStorageItemInfo from a native HNS Folder.
`static GoogleCloudStorageItemInfo`	`createInferredDirectory(StorageResourceId resourceId)`	Factory method for creating a "found" GoogleCloudStorageItemInfo for an inferred directory.
`static GoogleCloudStorageItemInfo`	`createNotFound(StorageResourceId resourceId)`	Factory method for creating a "not found" GoogleCloudStorageItemInfo for a bucket or an object.
`static GoogleCloudStorageItemInfo`	`createObject(StorageResourceId resourceId, long creationTime, long modificationTime, long size, String contentType, String contentEncoding, Map<String,byte[]> metadata, long contentGeneration, long metaGeneration, VerificationAttributes verificationAttributes)`	Factory method for creating a GoogleCloudStorageItemInfo for an object.
`boolean`	`equals(Object obj)`
`boolean`	`exists()`	Indicates whether this item exists.
`String`	`getBucketName()`	Gets bucket name of this item.
`String`	`getContentEncoding()`	Gets the content-encoding of this item, or null if unknown or inapplicable.
`long`	`getContentGeneration()`	Get the content generation of the object.
`String`	`getContentType()`	Gets the content-type of this item, or null if unknown or inapplicable.
`long`	`getCreationTime()`	Gets creation time of this item.
`String`	`getLocation()`	Gets location of this item.
`Map<String,byte[]>`	`getMetadata()`	Gets user-supplied metadata for this item.
`long`	`getMetaGeneration()`	Get the meta generation of the object.
`long`	`getModificationTime()`	Gets modification time of this item.
`String`	`getObjectName()`	Gets object name of this item.
`StorageResourceId`	`getResourceId()`	Gets the resourceId that holds the (possibly null) bucketName and objectName of this object.
`long`	`getSize()`	Gets size of this item (number of bytes).
`String`	`getStorageClass()`	Gets storage class of this item.
`VerificationAttributes`	`getVerificationAttributes()`	Get object validation attributes.
`int`	`hashCode()`
`boolean`	`isBucket()`	Indicates whether this item is a bucket.
`boolean`	`isDirectory()`	Indicates whether `itemInfo` is a directory.
`boolean`	`isGlobalRoot()`	Indicates whether this instance has information about the unique, shared root of the underlying storage system.
`boolean`	`isInferredDirectory()`	Indicates whether `itemInfo` is an inferred directory
`boolean`	`isNativeHNSFolder()`	Indicates whether `itemInfo` is a native HNS folder.
`boolean`	`isRoot()`	Indicates whether this item refers to the GCS root (gs://).
`boolean`	`metadataEquals(Map<String,byte[]> otherMetadata)`	Helper for checking logical equality of metadata maps, checking equality of keySet() between this.metadata and otherMetadata, and then using Arrays.equals to compare contents of corresponding byte arrays.
`String`	`toString()`	Gets string representation of this instance.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - ROOT_INFO
```
public static final GoogleCloudStorageItemInfo ROOT_INFO
```
- Method Detail
  - createBucket
```
public static GoogleCloudStorageItemInfo createBucket(StorageResourceId resourceId,
                                                      long creationTime,
                                                      long modificationTime,
                                                      String location,
                                                      String storageClass)
```
    Factory method for creating a GoogleCloudStorageItemInfo for a bucket.
    
    Parameters:
    
    resourceId - Resource ID that identifies a bucket
    
    creationTime - Time when a bucket was created (milliseconds since January 1, 1970 UTC).
    
    modificationTime - Time when a bucket was last modified (milliseconds since January 1, 1970 UTC).
    
    location - Location of a bucket.
    
    storageClass - Storage class of a bucket.
  - createObject
```
public static GoogleCloudStorageItemInfo createObject(StorageResourceId resourceId,
                                                      long creationTime,
                                                      long modificationTime,
                                                      long size,
                                                      String contentType,
                                                      String contentEncoding,
                                                      Map<String,byte[]> metadata,
                                                      long contentGeneration,
                                                      long metaGeneration,
                                                      VerificationAttributes verificationAttributes)
```
    Factory method for creating a GoogleCloudStorageItemInfo for an object.
    
    Parameters:
    
    resourceId - identifies either root, a Bucket, or a StorageObject
    
    creationTime - Time when object was created (milliseconds since January 1, 1970 UTC).
    
    size - Size of the given object (number of bytes) or -1 if the object does not exist.
    
    metadata - User-supplied object metadata for this object.
  - createFolder
```
public static GoogleCloudStorageItemInfo createFolder(StorageResourceId resourceId,
                                                      com.google.storage.control.v2.Folder folder)
```
    Factory method for creating a GoogleCloudStorageItemInfo from a native HNS Folder.
    
    Parameters:
    
    resourceId - The resource ID of the folder.
    
    folder - The Folder object from the Storage Control API.
  - createInferredDirectory
```
public static GoogleCloudStorageItemInfo createInferredDirectory(StorageResourceId resourceId)
```
    Factory method for creating a "found" GoogleCloudStorageItemInfo for an inferred directory.
    
    Parameters:
    
    resourceId - Resource ID that identifies an inferred directory
  - createNotFound
```
public static GoogleCloudStorageItemInfo createNotFound(StorageResourceId resourceId)
```
    Factory method for creating a "not found" GoogleCloudStorageItemInfo for a bucket or an object.
    
    Parameters:
    
    resourceId - Resource ID that identifies an inferred directory
  - getBucketName
```
public String getBucketName()
```
    Gets bucket name of this item.
  - getObjectName
```
public String getObjectName()
```
    Gets object name of this item.
  - getResourceId
```
public StorageResourceId getResourceId()
```
    Gets the resourceId that holds the (possibly null) bucketName and objectName of this object.
  - getCreationTime
```
public long getCreationTime()
```
    Gets creation time of this item.
    Time is expressed as milliseconds since January 1, 1970 UTC.
  - getModificationTime
```
public long getModificationTime()
```
    Gets modification time of this item.
    Time is expressed as milliseconds since January 1, 1970 UTC.
  - getSize
```
public long getSize()
```
    Gets size of this item (number of bytes). Returns -1 if the object does not exist.
  - getLocation
```
public String getLocation()
```
    Gets location of this item.
    Note: Location is only supported for buckets. The value is always null for objects.
  - getStorageClass
```
public String getStorageClass()
```
    Gets storage class of this item.
    Note: Storage-class is only supported for buckets. The value is always null for objects.
  - getContentType
```
public String getContentType()
```
    Gets the content-type of this item, or null if unknown or inapplicable.
    Note: content-type is only supported for objects, and will always be null for buckets.
  - getContentEncoding
```
public String getContentEncoding()
```
    Gets the content-encoding of this item, or null if unknown or inapplicable.
    Note: content-encoding is only supported for objects, and will always be null for buckets.
  - getMetadata
```
public Map<String,byte[]> getMetadata()
```
    Gets user-supplied metadata for this item.
    Note: metadata is only supported for objects. This value is always an empty map for buckets.
  - isBucket
```
public boolean isBucket()
```
    Indicates whether this item is a bucket. Root is not considered to be a bucket.
  - isRoot
```
public boolean isRoot()
```
    Indicates whether this item refers to the GCS root (gs://).
  - isGlobalRoot
```
public boolean isGlobalRoot()
```
    Indicates whether this instance has information about the unique, shared root of the underlying storage system.
  - isNativeHNSFolder
```
public boolean isNativeHNSFolder()
```
    Indicates whether itemInfo is a native HNS folder. This is different from a placeholder object or an inferred directory.
  - isDirectory
```
public boolean isDirectory()
```
    Indicates whether itemInfo is a directory.
  - isInferredDirectory
```
public boolean isInferredDirectory()
```
    Indicates whether itemInfo is an inferred directory
  - getContentGeneration
```
public long getContentGeneration()
```
    Get the content generation of the object.
  - getMetaGeneration
```
public long getMetaGeneration()
```
    Get the meta generation of the object.
  - getVerificationAttributes
```
public VerificationAttributes getVerificationAttributes()
```
    Get object validation attributes.
  - exists
```
public boolean exists()
```
    Indicates whether this item exists.
  - metadataEquals
```
public boolean metadataEquals(Map<String,byte[]> otherMetadata)
```
    Helper for checking logical equality of metadata maps, checking equality of keySet() between this.metadata and otherMetadata, and then using Arrays.equals to compare contents of corresponding byte arrays.
  - toString
```
public String toString()
```
    Gets string representation of this instance.
    
    Overrides:
    
    toString in class Object
  - equals
```
public boolean equals(Object obj)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object

Class GoogleCloudStorageItemInfo

Nested Class Summary

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

ROOT_INFO

Method Detail

createBucket

createObject

createFolder

createInferredDirectory

createNotFound

getBucketName

getObjectName

getResourceId

getCreationTime

getModificationTime

getSize

getLocation

getStorageClass

getContentType

getContentEncoding

getMetadata

isBucket

isRoot

isGlobalRoot

isNativeHNSFolder

isDirectory

isInferredDirectory

getContentGeneration

getMetaGeneration

getVerificationAttributes

exists

metadataEquals

toString

equals

hashCode