ERXQualifierTraversal Class Reference

Inherited by ERXPrefixQualifierTraversal, and ERXFilteredQualifierTraversal.

Collaboration diagram for ERXQualifierTraversal:

[legend]

List of all members.

Public Member Functions
void	traverse (EOQualifierEvaluation q, boolean postOrder)
void	traverse (EOQualifierEvaluation q)
Static Public Attributes
static final Logger	log = Logger.getLogger(ERXQualifierTraversal.class)
Protected Member Functions
boolean	traverseAndQualifier (EOAndQualifier q)
boolean	traverseKeyComparisonQualifier (EOKeyComparisonQualifier q)
boolean	traverseKeyValueQualifier (EOKeyValueQualifier q)
boolean	traverseNotQualifier (EONotQualifier q)
boolean	traverseOrQualifier (EOOrQualifier q)
boolean	traverseUnknownQualifier (EOQualifierEvaluation q)
void	visit (EOQualifierEvaluation q)
Private Member Functions
boolean	traverseQualifier (EOQualifierEvaluation q, boolean postOrder)

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Detailed Description

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

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Member Function Documentation

void traverse	(	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

Reimplemented in ERXPrefixQualifierTraversal.

void traverse

(

EOQualifierEvaluation

q

)

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

Parameters:

q

the root qualifier to traverse

boolean traverseAndQualifier

(

EOAndQualifier

q

)

[protected]

Should traverse and qualifier?

Parameters:

q

the qualifier to process

Returns:

should traverse and qualifier

Reimplemented in ERXPrefixQualifierTraversal.

boolean traverseKeyComparisonQualifier

(

EOKeyComparisonQualifier

q

)

[protected]

Should traverse key comparison qualifier?

Parameters:

q

the qualifier to process

Returns:

should traverse key comparison qualifier

Reimplemented in ERXPrefixQualifierTraversal, and ERXFilteredQualifierTraversal.

boolean traverseKeyValueQualifier

(

EOKeyValueQualifier

q

)

[protected]

Should traverse a key value qualifier?

Parameters:

q

the qualifier to process

Returns:

should traverse key value qualifier

Reimplemented in ERXPrefixQualifierTraversal, and ERXFilteredQualifierTraversal.

boolean traverseNotQualifier

(

EONotQualifier

q

)

[protected]

Should traverse not qualifier?

Parameters:

q

the qualifier to process

Returns:

should traverse not qualifier

Reimplemented in ERXPrefixQualifierTraversal.

boolean traverseOrQualifier

(

EOOrQualifier

q

)

[protected]

Should traverse or qualifier?

Parameters:

q

the qualifier to process

Returns:

should traverse or qualifier

Reimplemented in ERXPrefixQualifierTraversal.

boolean traverseQualifier	(	EOQualifierEvaluation	q,
		boolean	postOrder
	)			[private]

Traverses the supplied qualifier

Parameters:

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

Returns:

whether or not to traverse the qualifier

boolean traverseUnknownQualifier

(

EOQualifierEvaluation

q

)

[protected]

Should traverse unknown qualifier? Logs an error.

Parameters:

q

the qualifier to process

Returns:

should traverse boolean qualifier

Reimplemented in ERXPrefixQualifierTraversal, and ERXFilteredQualifierTraversal.

void visit

(

EOQualifierEvaluation

q

)

[protected]

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

Parameters:

q

the qualifier to process

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Member Data Documentation

final Logger log = Logger.getLogger(ERXQualifierTraversal.class) [static]

logging support

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The documentation for this class was generated from the following file:

• /opt/source/Wonder/Frameworks/Core/ERExtensions/Sources/er/extensions/qualifiers/ERXQualifierTraversal.java