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org.apache.lens.cube.metadata
Class AbstractBaseTable

java.lang.Object
  org.apache.lens.cube.metadata.AbstractCubeTable
      org.apache.lens.cube.metadata.AbstractBaseTable

All Implemented Interfaces:

Named

Direct Known Subclasses:

Cube, Dimension

public abstract class AbstractBaseTable
extends AbstractCubeTable

Abstract table with expressions

Field Summary

Fields inherited from class org.apache.lens.cube.metadata.AbstractCubeTable

LOG

Constructor Summary

AbstractBaseTable(String name, Set<ExprColumn> exprs, Set<JoinChain> joinChains, Map<String,String> properties, double weight)

AbstractBaseTable(org.apache.hadoop.hive.ql.metadata.Table tbl)

Method Summary

void	addProperties()
void	alterExpression(ExprColumn expr) Alters the expression if already existing or just adds if it is new expression.
void	alterJoinChain(JoinChain joinchain) Alters the joinchain if already existing or just adds if it is new chain
boolean	equals(Object obj)
Set<String>	getAllFieldNames()
JoinChain	getChainByName(String name)
CubeColumn	getColumnByName(String column)
ExprColumn	getExpressionByName(String exprName)
Set<String>	getExpressionNames()
Set<ExprColumn>	getExpressions()
Set<String>	getJoinChainNames()
Set<JoinChain>	getJoinChains() Get join chains from properties
Set<String>	getStorages()
void	removeExpression(String exprName) Remove the measure with name specified
boolean	removeJoinChain(String chainName) Remove the joinchain with name specified
void	setJoinChainProperties(Set<JoinChain> chains)

Methods inherited from class org.apache.lens.cube.metadata.AbstractCubeTable

addProperties, alterWeight, getColumns, getName, getProperties, getTableType, getWeight, hashCode, removeProperty, toString, weight

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AbstractBaseTable

public AbstractBaseTable(String name,
                         Set<ExprColumn> exprs,
                         Set<JoinChain> joinChains,
                         Map<String,String> properties,
                         double weight)

AbstractBaseTable

public AbstractBaseTable(org.apache.hadoop.hive.ql.metadata.Table tbl)

Method Detail

getStorages

public Set<String> getStorages()

Specified by:

getStorages in class AbstractCubeTable

addProperties

public void addProperties()

equals

public boolean equals(Object obj)

Overrides:

equals in class AbstractCubeTable

getExpressionByName

public ExprColumn getExpressionByName(String exprName)

getColumnByName

public CubeColumn getColumnByName(String column)

alterExpression

public void alterExpression(ExprColumn expr)
                     throws org.apache.hadoop.hive.ql.metadata.HiveException

Alters the expression if already existing or just adds if it is new expression.

Parameters:

expr -

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

removeExpression

public void removeExpression(String exprName)

Remove the measure with name specified

Parameters:

exprName -

getExpressionNames

public Set<String> getExpressionNames()

getExpressions

public Set<ExprColumn> getExpressions()

Returns:

the expressions

getAllFieldNames

public Set<String> getAllFieldNames()

Overrides:

getAllFieldNames in class AbstractCubeTable

setJoinChainProperties

public void setJoinChainProperties(Set<JoinChain> chains)

alterJoinChain

public void alterJoinChain(JoinChain joinchain)
                    throws org.apache.hadoop.hive.ql.metadata.HiveException

Alters the joinchain if already existing or just adds if it is new chain

Parameters:

joinchain -

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

getChainByName

public JoinChain getChainByName(String name)

getJoinChains

public Set<JoinChain> getJoinChains()

Get join chains from properties

Parameters:

props -

Returns:

getJoinChainNames

public Set<String> getJoinChainNames()

removeJoinChain

public boolean removeJoinChain(String chainName)

Remove the joinchain with name specified

Parameters:

chainName -