Package org.apache.zookeeper.server
Class DataTreeBean
- java.lang.Object
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- org.apache.zookeeper.server.DataTreeBean
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- All Implemented Interfaces:
ZKMBeanInfo,DataTreeMXBean
public class DataTreeBean extends Object implements DataTreeMXBean, ZKMBeanInfo
This class implements the data tree MBean.
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Constructor Summary
Constructors Constructor Description DataTreeBean(DataTree dataTree)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description longapproximateDataSize()intcountEphemerals()StringgetLastZxid()StringgetName()intgetNodeCount()intgetWatchCount()booleanisHidden()If isHidden returns true, the MBean won't be registered with MBean server, and thus won't be available for management tools.
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Constructor Detail
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DataTreeBean
public DataTreeBean(DataTree dataTree)
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Method Detail
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getNodeCount
public int getNodeCount()
- Specified by:
getNodeCountin interfaceDataTreeMXBean- Returns:
- number of znodes in the data tree.
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approximateDataSize
public long approximateDataSize()
- Specified by:
approximateDataSizein interfaceDataTreeMXBean- Returns:
- data tree size in bytes. The size includes the znode path and its value.
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countEphemerals
public int countEphemerals()
- Specified by:
countEphemeralsin interfaceDataTreeMXBean- Returns:
- number of ephemeral nodes in the data tree
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getWatchCount
public int getWatchCount()
- Specified by:
getWatchCountin interfaceDataTreeMXBean- Returns:
- number of watches set.
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getName
public String getName()
- Specified by:
getNamein interfaceZKMBeanInfo- Returns:
- a string identifying the MBean
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isHidden
public boolean isHidden()
Description copied from interface:ZKMBeanInfoIf isHidden returns true, the MBean won't be registered with MBean server, and thus won't be available for management tools. Used for grouping MBeans.- Specified by:
isHiddenin interfaceZKMBeanInfo- Returns:
- true if the MBean is hidden.
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getLastZxid
public String getLastZxid()
- Specified by:
getLastZxidin interfaceDataTreeMXBean- Returns:
- the most recent zxid processed by the data tree.
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