jet.api
Class UnionInfos

java.lang.Object
  jet.api.QueryInfo
      jet.api.UnionInfos

public class UnionInfos
extends QueryInfo

This class represents a packet which provides handy ways to manipulate And-information

Constructor Summary

UnionInfos()
Constructor.

UnionInfos(int capacity)
Constructor.

Method Summary

void	addUnionInfo(UnionInfo info) Add a UnionInfo object.
UnionInfo	getUnionInfo(int index) return a specific UnionInfo object
UnionInfo[]	getUnionInfos() return all UnionInfo objects in the array
boolean	insertUnionInfo(UnionInfo info, int index) insert a UnionInfo object at the specific position

Methods inherited from class jet.api.QueryInfo

getInfoNumber, indexOf, remove, remove, removeAll

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UnionInfos

public UnionInfos()

Constructor. construct a query object with the initial UnionInfo array size of 10.

UnionInfos

public UnionInfos(int capacity)

Constructor. construct a query object with specific UnionInfo array size.

Parameters:

capacity - initial capacity

Method Detail

addUnionInfo

public void addUnionInfo(UnionInfo info)

Add a UnionInfo object.

Parameters:

info - the UnionInfo object to be added

insertUnionInfo

public boolean insertUnionInfo(UnionInfo info,
                               int index)

insert a UnionInfo object at the specific position

Parameters:

info - the object to insert

index - where the object to be inserted

Returns:

true if the object inserted successfully,otherwise false

getUnionInfo

public UnionInfo getUnionInfo(int index)

return a specific UnionInfo object

Parameters:

index - where to find the UnionInfo object,index should be a digit between 0 and length-1

Returns:

a UnionInfo object,if index is invalid, return null

getUnionInfos

public UnionInfo[] getUnionInfos()

return all UnionInfo objects in the array

Returns:

if there's no object, return an array with length of 0