com.persistit

Class Management.TreeInfo

java.lang.Object

com.persistit.Management.AcquisitionTimeBase

com.persistit.Management.TreeInfo

All Implemented Interfaces:

Serializable

Enclosing interface:

Management

public static class Management.TreeInfo
extends Management.AcquisitionTimeBase
implements Serializable

Exposes information about a Persistit Tree.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static long	serialVersionUID

Constructor Summary

Constructors

Constructor and Description
TreeInfo(String name, long rootPageAddress, int depth, String volumePathName, String status, String writerThreadName, long fetchCounter, long traverseCounter, long storeCounter, long removeCounter)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object object) Tests whether the supplied object is a TreeInfo with the same index and name is this one.
int	getDepth() Return the count of levels in the Tree.
long	getFetchCounter()
String	getName() Return the name of the Tree
long	getRemoveCounter()
long	getRootPageAddress() Return the page address of the root page.
String	getStatus() Return the status code for this Tree.
long	getStoreCounter()
long	getTraverseCounter()
String	getVolumePathName() Return the path name of the volume to which this tree belongs.
String	getWriterThreadName() Return the name of the Thread that currently holds a writer (exclusive) claim on the Buffer if there is one, otherwise returns null.
String	toString() Return the name of the tree.

Methods inherited from class com.persistit.Management.AcquisitionTimeBase

getAcquisitionTime, setAcquisitionTime

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

serialVersionUID

public static final long serialVersionUID

See Also:

Constant Field Values

Constructor Detail

TreeInfo

@ConstructorProperties(value={"name","index","rootPageAddress","depth","volumePathName","status","writerThreadName","fetchCounter","traverseCounter","storeCounter","removeCounter"})
public TreeInfo(String name,
                                                                                                                                                                                                      long rootPageAddress,
                                                                                                                                                                                                      int depth,
                                                                                                                                                                                                      String volumePathName,
                                                                                                                                                                                                      String status,
                                                                                                                                                                                                      String writerThreadName,
                                                                                                                                                                                                      long fetchCounter,
                                                                                                                                                                                                      long traverseCounter,
                                                                                                                                                                                                      long storeCounter,
                                                                                                                                                                                                      long removeCounter)

Method Detail

getName

public String getName()

Return the name of the Tree

Returns:

the name

getRootPageAddress

public long getRootPageAddress()

Return the page address of the root page.

Returns:

the root page address

getDepth

public int getDepth()

Return the count of levels in the Tree.

Returns:

the depth

getVolumePathName

public String getVolumePathName()

Return the path name of the volume to which this tree belongs.

Returns:

the path name

getFetchCounter

public long getFetchCounter()

Returns:

the count of Exchange.fetch() operations, including Exchange.fetchAndStore() and Exchange.fetchAndRemove() operations.

getTraverseCounter

public long getTraverseCounter()

Returns:

the count of Exchange.traverse(com.persistit.Key.Direction, boolean) operations including Exchange.next() and Exchange.previous().

getStoreCounter

public long getStoreCounter()

Returns:

the count of Exchange.store(com.persistit.Key, com.persistit.Value) operations, including Exchange.fetchAndStore() operations.

getRemoveCounter

public long getRemoveCounter()

Returns:

the count of Exchange.remove() operations, including Exchange.fetchAndRemove() operations.

getStatus

public String getStatus()

Return the status code for this Tree.

Returns:

the status code

getWriterThreadName

public String getWriterThreadName()

Return the name of the Thread that currently holds a writer (exclusive) claim on the Buffer if there is one, otherwise returns null.

Returns:

The thread name, or null if there is none

toString

public String toString()

Return the name of the tree.

Overrides:

toString in class Object

Returns:

The name of the tree

equals

public boolean equals(Object object)

Tests whether the supplied object is a TreeInfo with the same index and name is this one.

Overrides:

equals in class Object

Returns:

true if equal, otherwise false