com.elegantj.data.dataviewer
Class Join

java.lang.Object
  com.elegantj.data.dataviewer.Join

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable

public class Join

extends java.lang.Object

implements java.io.Externalizable

The Join provides the properties of the join for the master-detail relationship.

See Also:

Serialized Form

Constructor Summary

Join()

Join(java.lang.String[] masterColumns, java.lang.String[] detailColumns)
Creates a Join with the specified binded column's.

Join(java.lang.String masterColumn, java.lang.String detailColumn)
Creates a Join with the specified binded column's.

Method Summary

java.lang.Object	clone() Returns the clone of the caller object
boolean	equals(java.lang.Object obj) Compares the specified Object with this Join object for equality.
java.lang.String	getDetailColumn() Returns the first binded detail column name
java.lang.String[]	getDetailColumns() Returns the binded detail column names
java.lang.String[][]	getJoinColumns() Returns the binded master-detail column names
java.lang.String	getMasterColumn() Returns the first binded master column name
java.lang.String[]	getMasterColumns() Returns the binded master column names
void	readExternal(java.io.ObjectInput in)
java.lang.String	toString() Converts the object to a string
void	writeExternal(java.io.ObjectOutput out) Externalizable interface implementation to save and retrieve the state of this object

Methods inherited from class java.lang.Object

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

Constructor Detail

Join

public Join()

Join

public Join(java.lang.String masterColumn,
            java.lang.String detailColumn)

Creates a Join with the specified binded column's.

Parameters:

masterColumn - the names of the binded master columns, default empty

detailColumn - the names of the binded detail columns, default empty

Join

public Join(java.lang.String[] masterColumns,
            java.lang.String[] detailColumns)

Creates a Join with the specified binded column's.

Parameters:

masterColumns - the names of the binded master columns, default null

detailColumns - the names of the binded detail columns, default null

Method Detail

getMasterColumn

public java.lang.String getMasterColumn()

Returns the first binded master column name

getDetailColumn

public java.lang.String getDetailColumn()

Returns the first binded detail column name

getMasterColumns

public java.lang.String[] getMasterColumns()

Returns the binded master column names

getDetailColumns

public java.lang.String[] getDetailColumns()

Returns the binded detail column names

getJoinColumns

public java.lang.String[][] getJoinColumns()

Returns the binded master-detail column names

clone

public java.lang.Object clone()

Returns the clone of the caller object

equals

public boolean equals(java.lang.Object obj)

Compares the specified Object with this Join object for equality. Returns true if and only if the specified Object is also a Join object, both Join objects have the same properties.

Parameters:

obj - the Object to be compared for equality with this Join object.

Returns:

true if the specified Object is equal to this Join object

toString

public java.lang.String toString()

Converts the object to a string

Returns:

a string representation of this class object

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Externalizable interface implementation to save and retrieve the state of this object

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.io.IOException

java.lang.ClassNotFoundException