er.extensions.qualifiers
Class ERXQualifierTraversal

java.lang.Object
  er.extensions.qualifiers.ERXQualifierTraversal

Direct Known Subclasses:

ERXFilteredQualifierTraversal, ERXPrefixQualifierTraversal

public class ERXQualifierTraversal
extends java.lang.Object

Traverse a network of qualifiers until a traversal method returns false. Subclass and implement the methods you need.

Field Summary

static org.apache.log4j.Logger

log logging support

Constructor Summary

ERXQualifierTraversal()

Method Summary

void	traverse(com.webobjects.eocontrol.EOQualifierEvaluation q) Visit every descendent qualifier in the given qualifier tree in a preorder traversal.
void	traverse(com.webobjects.eocontrol.EOQualifierEvaluation q, boolean postOrder) Visit every descendent qualifier in the given qualifier tree.
protected boolean	traverseAndQualifier(com.webobjects.eocontrol.EOAndQualifier q) Should traverse and qualifier?
protected boolean	traverseKeyComparisonQualifier(com.webobjects.eocontrol.EOKeyComparisonQualifier q) Should traverse key comparison qualifier?
protected boolean	traverseKeyValueQualifier(com.webobjects.eocontrol.EOKeyValueQualifier q) Should traverse a key value qualifier?
protected boolean	traverseNotQualifier(com.webobjects.eocontrol.EONotQualifier q) Should traverse not qualifier?
protected boolean	traverseOrQualifier(com.webobjects.eocontrol.EOOrQualifier q) Should traverse or qualifier?
protected boolean	traverseUnknownQualifier(com.webobjects.eocontrol.EOQualifierEvaluation q) Should traverse unknown qualifier? Logs an error.
protected void	visit(com.webobjects.eocontrol.EOQualifierEvaluation q) Catch-all visitor, will get called for each qualifier.

Methods inherited from class java.lang.Object

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

Field Detail

log

public static final org.apache.log4j.Logger log

logging support

Constructor Detail

ERXQualifierTraversal

public ERXQualifierTraversal()

Method Detail

visit

protected void visit(com.webobjects.eocontrol.EOQualifierEvaluation q)

Catch-all visitor, will get called for each qualifier.

Parameters:

q - the qualifier to process

traverseUnknownQualifier

protected boolean traverseUnknownQualifier(com.webobjects.eocontrol.EOQualifierEvaluation q)

Should traverse unknown qualifier? Logs an error.

Parameters:

q - the qualifier to process

Returns:

should traverse boolean qualifier

traverseNotQualifier

protected boolean traverseNotQualifier(com.webobjects.eocontrol.EONotQualifier q)

Should traverse not qualifier?

Parameters:

q - the qualifier to process

Returns:

should traverse not qualifier

traverseOrQualifier

protected boolean traverseOrQualifier(com.webobjects.eocontrol.EOOrQualifier q)

Should traverse or qualifier?

Parameters:

q - the qualifier to process

Returns:

should traverse or qualifier

traverseAndQualifier

protected boolean traverseAndQualifier(com.webobjects.eocontrol.EOAndQualifier q)

Should traverse and qualifier?

Parameters:

q - the qualifier to process

Returns:

should traverse and qualifier

traverseKeyValueQualifier

protected boolean traverseKeyValueQualifier(com.webobjects.eocontrol.EOKeyValueQualifier q)

Should traverse a key value qualifier?

Parameters:

q - the qualifier to process

Returns:

should traverse key value qualifier

traverseKeyComparisonQualifier

protected boolean traverseKeyComparisonQualifier(com.webobjects.eocontrol.EOKeyComparisonQualifier q)

Should traverse key comparison qualifier?

Parameters:

q - the qualifier to process

Returns:

should traverse key comparison qualifier

traverse

public void traverse(com.webobjects.eocontrol.EOQualifierEvaluation q)

Visit every descendent qualifier in the given qualifier tree in a preorder traversal.

Parameters:

q - the root qualifier to traverse

traverse

public void traverse(com.webobjects.eocontrol.EOQualifierEvaluation q,
                     boolean postOrder)

Visit every descendent qualifier in the given qualifier tree.

Parameters:

q - the root qualifier to traverse

postOrder - if true, the qualifier is traversed from the bottom to the top