com.irisel.oms.olapi

Class QueryTree

java.lang.Object

com.irisel.oms.olapi.QueryTree

public class QueryTree
extends java.lang.Object

This class is used to make relational queries in 3-tier mode, using a CLBrowser. Based upon deprecated InstanceRetrieval, which was 2-tier.

Author:

jmgomez

Constructor Summary

Constructors

Constructor and Description
QueryTree()
QueryTree(CLBrowser clb)

Method Summary

Modifier and Type	Method and Description
void	addBranch(int branchIndex, int parentBranchIndex, java.lang.String relationName) This method is intended to get related records using ad-hoc or db-level defined relationships.
void	addBranch(int branchIndex, int parentBranchIndex, java.lang.String relationName, boolean forward)
void	addBranch(int branchIndex, int parentBranchIndex, java.lang.String relationName, java.lang.String roleSrcName, java.lang.String roleDstName, boolean forward) This method adds a branch to the QueryTree.
void	addBranch(int branchIndex, java.lang.String classname)
void	addFilter(int branchIndex, Filter filt)
void	addFilter(int branchIndex, Filter[] filt)
void	addFilter(int branchIndex, Filter[][] filt)
void	addFilter(int branchIndex, java.lang.String propertyName, int operator, java.lang.Object value)
void	addFilterAlternatives(int branchIndex, Filter[] filt) These filters are OR-ed
void	addLimit(int id, int rowcount)
void	addSort(int id, java.lang.String propertyName, int operator)
CLBrowser	getBrowser() Getter for property browser.
InstanceSet	getInstanceIds(int id)
InstanceSet	getInstanceSet(int id)
void	prepareStatements()
void	setBrowser(CLBrowser browser) Setter for property browser.
void	setRoot(int branchIndex, Instance record)
void	setRoot(int branchIndex, java.lang.String classname)
void	setRoot(java.lang.String classname)
void	setTarget(int branchIndex, Field[] fields) WARNING! First field must be PK

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryTree

public QueryTree(CLBrowser clb)
          throws QueryTreeException

Throws:

QueryTreeException

QueryTree

public QueryTree()
          throws QueryTreeException

Throws:

QueryTreeException

Method Detail

setRoot

public void setRoot(java.lang.String classname)
             throws QueryTreeException

Parameters:

classname -

Throws:

QueryTreeException

setRoot

public void setRoot(int branchIndex,
                    java.lang.String classname)
             throws QueryTreeException

Throws:

QueryTreeException

setRoot

public void setRoot(int branchIndex,
                    Instance record)
             throws QueryTreeException

Throws:

QueryTreeException

addFilter

public void addFilter(int branchIndex,
                      java.lang.String propertyName,
                      int operator,
                      java.lang.Object value)

Parameters:

branchIndex -

propertyName -

operator -

value -

addFilter

public void addFilter(int branchIndex,
                      Filter filt)

addFilter

public void addFilter(int branchIndex,
                      Filter[] filt)

addFilter

public void addFilter(int branchIndex,
                      Filter[][] filt)

addFilterAlternatives

public void addFilterAlternatives(int branchIndex,
                                  Filter[] filt)

These filters are OR-ed

Parameters:

branchIndex -

filt -

setTarget

public void setTarget(int branchIndex,
                      Field[] fields)

WARNING! First field must be PK

Parameters:

branchIndex -

fields -

addBranch

public void addBranch(int branchIndex,
                      java.lang.String classname)
               throws QueryTreeException

Throws:

QueryTreeException

addBranch

public void addBranch(int branchIndex,
                      int parentBranchIndex,
                      java.lang.String relationName)
               throws QueryTreeException

This method is intended to get related records using ad-hoc or db-level defined relationships. The name of the relation MUST follow the pattern: table1.field1-->table2.field2

Parameters:

branchIndex -

parentBranchIndex -

relationName -

Throws:

QueryTreeException

addBranch

public void addBranch(int branchIndex,
                      int parentBranchIndex,
                      java.lang.String relationName,
                      boolean forward)
               throws QueryTreeException

Throws:

QueryTreeException

addBranch

public void addBranch(int branchIndex,
                      int parentBranchIndex,
                      java.lang.String relationName,
                      java.lang.String roleSrcName,
                      java.lang.String roleDstName,
                      boolean forward)
               throws QueryTreeException

This method adds a branch to the QueryTree.

Parameters:

branchIndex - : The unique index that identifies this branch

parentBranchIndex - : The parent branch to which this branch is related

relationName - : name of the relation that links this branch to parent

roleSrcName - : role of this branch objects played in the relation

roleDstName - : role that parent objects play in the relation

forward - : direction of the relation ( Relation.FORWARD or Relation.REVERSE

Throws:

QueryTreeException

addSort

public void addSort(int id,
                    java.lang.String propertyName,
                    int operator)

addLimit

public void addLimit(int id,
                     int rowcount)

prepareStatements

public void prepareStatements()
                       throws QueryTreeException

Throws:

QueryTreeException

getInstanceSet

public InstanceSet getInstanceSet(int id)
                           throws QueryTreeException

Parameters:

id -

Returns:

com.irisel.oms.olapi.InstanceSet

Throws:

QueryTreeException

getInstanceIds

public InstanceSet getInstanceIds(int id)
                           throws QueryTreeException

Throws:

QueryTreeException

getBrowser

public CLBrowser getBrowser()

Getter for property browser.

Returns:

Value of property browser.

setBrowser

public void setBrowser(CLBrowser browser)

Setter for property browser.

Parameters:

browser - New value of property browser.