@InterfaceAudience.Public public interface TableDescriptor
hbase:meta
, if the table is read
only, the maximum size of the memstore, when the region split should occur, coprocessors
associated with it etc...Modifier and Type | Field and Description |
---|---|
static Comparator<TableDescriptor> |
COMPARATOR |
static Comparator<TableDescriptor> |
COMPARATOR_IGNORE_REPLICATION |
Modifier and Type | Method and Description |
---|---|
ColumnFamilyDescriptor[] |
getColumnFamilies()
Returns an unmodifiable collection of all the
ColumnFamilyDescriptor of all the column
families of the table. |
ColumnFamilyDescriptor |
getColumnFamily(byte[] name)
Returns the ColumnDescriptor for a specific column family with name as specified by the
parameter column.
|
int |
getColumnFamilyCount()
Returns the count of the column families of the table.
|
Set<byte[]> |
getColumnFamilyNames()
Returns all the column family names of the current table.
|
static Comparator<TableDescriptor> |
getComparator(Comparator<ColumnFamilyDescriptor> cfComparator) |
Collection<CoprocessorDescriptor> |
getCoprocessorDescriptors()
Return the list of attached co-processor represented
|
default Collection<String> |
getCoprocessors()
Deprecated.
As of release 2.0.0, this will be removed in HBase 3.0.0. Use
getCoprocessorDescriptors() instead |
Durability |
getDurability()
Returns the durability setting for the table.
|
String |
getFlushPolicyClassName()
This gets the class associated with the flush policy which determines the stores need to be
flushed when flushing a region.
|
long |
getMaxFileSize()
Returns the maximum size upto which a region can grow to after which a region split is
triggered.
|
long |
getMemStoreFlushSize()
Returns the size of the memstore after which a flush to filesystem is triggered.
|
int |
getNormalizerTargetRegionCount()
Check if there is the target region count.
|
long |
getNormalizerTargetRegionSize()
Check if there is the target region size.
|
String |
getOwnerString()
Deprecated.
since 2.0.0 and will be removed in 3.0.0.
|
int |
getPriority() |
int |
getRegionReplication()
Returns Returns the configured replicas per region
|
Optional<String> |
getRegionServerGroup()
Get the region server group this table belongs to.
|
String |
getRegionSplitPolicyClassName()
This gets the class associated with the region split policy which determines when a region
split should occur.
|
TableName |
getTableName()
Get the name of the table
|
byte[] |
getValue(byte[] key)
Getter for accessing the metadata associated with the key.
|
Bytes |
getValue(Bytes key)
Getter for accessing the metadata associated with the key.
|
String |
getValue(String key)
Getter for accessing the metadata associated with the key.
|
Map<Bytes,Bytes> |
getValues()
Returns Getter for fetching an unmodifiable map.
|
boolean |
hasColumnFamily(byte[] name)
Checks to see if this table contains the given column family
|
boolean |
hasCoprocessor(String classNameToMatch)
Check if the table has an attached co-processor represented by the name className
|
default boolean |
hasGlobalReplicationScope()
Check if any of the table's cfs' replication scope are set to
HConstants.REPLICATION_SCOPE_GLOBAL . |
boolean |
hasRegionMemStoreReplication()
Returns true if the read-replicas memstore replication is enabled.
|
boolean |
isCompactionEnabled()
Check if the compaction enable flag of the table is true.
|
boolean |
isMergeEnabled()
Check if the merge enable flag of the table is true.
|
boolean |
isMetaRegion()
Checks if this table is
hbase:meta region. |
boolean |
isMetaTable()
Checks if the table is a
hbase:meta table |
boolean |
isNormalizationEnabled()
Check if normalization enable flag of the table is true.
|
boolean |
isReadOnly()
Check if the readOnly flag of the table is set.
|
boolean |
isSplitEnabled()
Check if the split enable flag of the table is true.
|
default boolean |
matchReplicationScope(boolean enabled)
Check if the table's cfs' replication scope matched with the replication state
|
String |
toStringCustomizedValues()
Returns Name of this table and then a map of all of the column family descriptors (with only
the non-default column family attributes)
|
@InterfaceAudience.Private static final Comparator<TableDescriptor> COMPARATOR
@InterfaceAudience.Private static final Comparator<TableDescriptor> COMPARATOR_IGNORE_REPLICATION
static Comparator<TableDescriptor> getComparator(Comparator<ColumnFamilyDescriptor> cfComparator)
int getColumnFamilyCount()
Collection<CoprocessorDescriptor> getCoprocessorDescriptors()
@Deprecated default Collection<String> getCoprocessors()
getCoprocessorDescriptors()
insteadDurability getDurability()
ColumnFamilyDescriptor[] getColumnFamilies()
ColumnFamilyDescriptor
of all the column
families of the table.ColumnFamilyDescriptor
of all the column families.Set<byte[]> getColumnFamilyNames()
ColumnFamilyDescriptor getColumnFamily(byte[] name)
name
- Column family nameString getFlushPolicyClassName()
long getMaxFileSize()
long getMemStoreFlushSize()
int getPriority()
int getRegionReplication()
String getRegionSplitPolicyClassName()
TableName getTableName()
@Deprecated String getOwnerString()
Bytes getValue(Bytes key)
key
- The key.byte[] getValue(byte[] key)
key
- The key.String getValue(String key)
key
- The key.boolean hasCoprocessor(String classNameToMatch)
classNameToMatch
- - Class name of the co-processorboolean hasColumnFamily(byte[] name)
name
- Family name or column name.boolean hasRegionMemStoreReplication()
boolean isCompactionEnabled()
boolean isSplitEnabled()
boolean isMergeEnabled()
boolean isMetaRegion()
hbase:meta
region. hbase:meta
regionboolean isMetaTable()
hbase:meta
table hbase:meta
region.boolean isNormalizationEnabled()
int getNormalizerTargetRegionCount()
long getNormalizerTargetRegionSize()
boolean isReadOnly()
String toStringCustomizedValues()
default boolean hasGlobalReplicationScope()
HConstants.REPLICATION_SCOPE_GLOBAL
.true
if we have, otherwise false
.default boolean matchReplicationScope(boolean enabled)
enabled
- replication stateOptional<String> getRegionServerGroup()
RSGroupInfo.DEFAULT_GROUP
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