Java Doc for ContextImpl.java in  » Database-DBMS » db-derby-10.2 » org » apache » derby » iapi » services » context » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derby.iapi.services.context 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.apache.derby.iapi.services.context.ContextImpl

All known Subclasses:   org.apache.derby.impl.sql.catalog.DataDictionaryContextImpl,  org.apache.derby.jdbc.XATransactionState,  org.apache.derby.impl.db.DatabaseContextImpl,  org.apache.derby.iapi.services.context.SystemContext,  org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext,  org.apache.derby.impl.sql.execute.GenericExecutionContext,  org.apache.derby.impl.store.raw.xact.XactContext,  org.apache.derby.impl.services.monitor.ServiceBootContext,  org.apache.derby.iapi.services.loader.ClassFactoryContext,  org.apache.derby.impl.sql.conn.GenericStatementContext,  org.apache.derby.impl.sql.compile.CompilerContextImpl,  org.apache.derby.impl.jdbc.EmbedConnectionContext,  org.apache.derby.impl.store.access.RAMTransactionContext,
ContextImpl
abstract public class ContextImpl implements Context(Code)
Contexts are created and used to manage the execution environment. They provide a convenient location for storing globals organized by the module using the globals.

We provide this abstract class for other implementations to use so that they can simply add fields and operations on them. To be usable by the context manager, the subclasses must define CleanupOnError and call super() in any constructor.

Contexts assist in cleanup when errors are caught in the outer block.

Contexts implement the sanity interface to check and provide information about their contents.




Constructor Summary
protected  ContextImpl(ContextManager cm, String id)
    

Method Summary
public  StringBufferappendErrorInfo()
    
final public  ContextManagergetContextManager()
    
final public  StringgetIdName()
    
public  booleanisLastHandler(int severity)
    
final public  voidpopMe()
    
final public  voidpushMe()
    


Constructor Detail
ContextImpl
protected ContextImpl(ContextManager cm, String id)(Code)




Method Detail
appendErrorInfo
public StringBuffer appendErrorInfo()(Code)



getContextManager
final public ContextManager getContextManager()(Code)

See Also:   org.apache.derby.iapi.services.context.Context.getContextManager



getIdName
final public String getIdName()(Code)

See Also:   org.apache.derby.iapi.services.context.Context.getIdName



isLastHandler
public boolean isLastHandler(int severity)(Code)

See Also:   Context.isLastHandler



popMe
final public void popMe()(Code)

See Also:   Context.popMe
See Also:   



pushMe
final public void pushMe()(Code)



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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