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Java Source Code / Java Documentation » Database DBMS » axion » org.axiondb

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.axiondb .BaseSelectable

org.axiondb .ColumnIdentifier

ColumnIdentifier
public class ColumnIdentifier extends BaseSelectable implements Selectable(Code)
	An identifier for a column. Column names and aliases always stored (and returned) in upper case. version: $Revision: 1.25 $ $Date: 2006/01/10 21:02:37 $ author: Rodney Waldhoff author: Chuck Burdick author: Ahimanikya Satapathy

Constructor Summary
public	ColumnIdentifier(String column)
public	ColumnIdentifier(TableIdentifier table, String columnName)
public	ColumnIdentifier(TableIdentifier table, String columnName, String columnAlias)
public	ColumnIdentifier(TableIdentifier table, String columnName, String columnAlias, DataType type)

Method Summary
public boolean	equals(Object otherobject) Returns `true` iff otherobject is a ColumnIdentifier whose name, table identifier, and alias are equal to mine.
public Object	evaluate(RowDecorator row) Returns the value of the column I identify within the given row .
public ColumnIdentifier	getCanonicalIdentifier()
final public DataType	getDataType() Returns my DataType , if any.
final public String	getTableAlias() Returns the alias name of my table or null.
final public TableIdentifier	getTableIdentifier() Returns my table identifier, if any.
final public String	getTableName() Returns the name of my table or null.
public int	hashCode() Returns a hash code in keeping with the standard Object.equals equals / Object.hashCode hashCode contract.
public void	setDataType(DataType type) Sets my DataType , if any.
public void	setName(String column) Sets the name of this column, and the name of my table if the given name includes " `.`".
public void	setTableIdentifier(TableIdentifier table) Sets my table identifier, if any.
public String	toString() Returns a `String` representation of me, suitable for debugging output.

Constructor Detail

ColumnIdentifier
public ColumnIdentifier(String column)(Code)
	Parameters: column - the local name of my column

ColumnIdentifier
public ColumnIdentifier(TableIdentifier table, String columnName)(Code)
	Parameters: table - my table, which may be `null` Parameters: column - my column

ColumnIdentifier
public ColumnIdentifier(TableIdentifier table, String columnName, String columnAlias)(Code)
	Parameters: table - my table, which may be `null` Parameters: column - my column Parameters: columnAlias - the alias for my column, which may be `null`

ColumnIdentifier
public ColumnIdentifier(TableIdentifier table, String columnName, String columnAlias, DataType type)(Code)
	Parameters: table - my table, which may be `null` Parameters: column - my column Parameters: columnAlias - the alias for my column, which may be `null` Parameters: type - the DataTypeof my column, which may be `null`

Method Detail

equals
public boolean equals(Object otherobject)(Code)
	Returns `true` iff otherobject is a ColumnIdentifier whose name, table identifier, and alias are equal to mine.

evaluate
public Object evaluate(RowDecorator row) throws AxionException(Code)
	Returns the value of the column I identify within the given row .

getCanonicalIdentifier
public ColumnIdentifier getCanonicalIdentifier()(Code)

getDataType
final public DataType getDataType()(Code)
	Returns my DataType , if any.

getTableAlias
final public String getTableAlias()(Code)
	Returns the alias name of my table or null. Unlike `ColumnIdentifier.getTableIdentifier getTableIdentifier() . TableIdentifier.getTableAlias getTableAlias()` this method will return `null` when I don't have a table identifier.

getTableIdentifier
final public TableIdentifier getTableIdentifier()(Code)
	Returns my table identifier, if any.

getTableName
final public String getTableName()(Code)
	Returns the name of my table or null. Unlike `ColumnIdentifier.getTableIdentifier getTableIdentifier() . TableIdentifier.getTableName getTableName()` this method will return `null` when I don't have a table identifier.

hashCode
public int hashCode()(Code)
	Returns a hash code in keeping with the standard Object.equals equals / Object.hashCode hashCode contract.

setDataType
public void setDataType(DataType type)(Code)
	Sets my DataType , if any.

setName
public void setName(String column)(Code)
	Sets the name of this column, and the name of my table if the given name includes " `.`".

setTableIdentifier
public void setTableIdentifier(TableIdentifier table)(Code)
	Sets my table identifier, if any.

toString
public String toString()(Code)
	Returns a `String` representation of me, suitable for debugging output.

Fields inherited from org.axiondb.BaseSelectable

protected int _hash(Code)(Java Doc)

Methods inherited from org.axiondb.BaseSelectable

public String getAlias()(Code)(Java Doc)
public String getLabel()(Code)(Java Doc)
public String getName()(Code)(Java Doc)
final public void setAlias(String alias)(Code)(Java Doc)
public void setName(String name)(Code)(Java Doc)
public void setVariableContext(VariableContext ctx)(Code)(Java Doc)

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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