er.extensions.qualifiers

Class ERXPrefixQualifierTraversal

java.lang.Object

er.extensions.qualifiers.ERXQualifierTraversal

er.extensions.qualifiers.ERXPrefixQualifierTraversal

public class ERXPrefixQualifierTraversal
extends ERXQualifierTraversal

Takes a qualifier, traverses every subqualifier, and prepends every keypath with an extra keypath. This should be end up being similar to EOQualifierSQLGeneration.Support.qualifierMigratedFromEntityRelationshipPath except that it does not deal in entities.

Author:

mschrag

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ERXPrefixQualifierTraversal(ERXKey prefix)

Method Summary

Modifier and Type	Method and Description
static EOQualifier	prefixQualifierWithKey(EOQualifierEvaluation qualifier, ERXKey prefix) Returns a qualifier with the given key prepended to every qualifier's key.
void	traverse(EOQualifierEvaluation q, boolean postOrder) Visit every descendent qualifier in the given qualifier tree.
protected boolean	traverseAndQualifier(EOAndQualifier q) Should traverse and qualifier?
protected boolean	traverseExistsQualifier(ERXExistsQualifier q) Should traverse exists qualifier?
protected boolean	traverseFalseQualifier(ERXFalseQualifier q) Should traverse false qualifier?
protected boolean	traverseKeyComparisonQualifier(EOKeyComparisonQualifier q) Should traverse key comparison qualifier?
protected boolean	traverseKeyValueQualifier(EOKeyValueQualifier q) Should traverse a key value qualifier?
protected boolean	traverseNotQualifier(EONotQualifier q) Should traverse not qualifier?
protected boolean	traverseOrQualifier(EOOrQualifier q) Should traverse or qualifier?
protected boolean	traverseTrueQualifier(ERXTrueQualifier q) Should traverse true qualifier?
protected boolean	traverseUnknownQualifier(EOQualifierEvaluation q) Should traverse unknown qualifier? Logs an error.

Methods inherited from class er.extensions.qualifiers.ERXQualifierTraversal

traverse, visit

Methods inherited from class java.lang.Object

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

Constructor Detail

ERXPrefixQualifierTraversal

protected ERXPrefixQualifierTraversal(ERXKey prefix)

Method Detail

prefixQualifierWithKey

public static EOQualifier prefixQualifierWithKey(EOQualifierEvaluation qualifier,
                                                 ERXKey prefix)

Returns a qualifier with the given key prepended to every qualifier's key.

Parameters:

qualifier - the qualifier to prepend with a key

prefix - the key to prepend

Returns:

a new matching qualifier with the prefix prepended

traverseUnknownQualifier

protected boolean traverseUnknownQualifier(EOQualifierEvaluation q)

Description copied from class: ERXQualifierTraversal

Should traverse unknown qualifier? Logs an error.

Overrides:

traverseUnknownQualifier in class ERXQualifierTraversal

Parameters:

q - the qualifier to process

Returns:

should traverse boolean qualifier

traverseNotQualifier

protected boolean traverseNotQualifier(EONotQualifier q)

Description copied from class: ERXQualifierTraversal

Should traverse not qualifier?

Overrides:

traverseNotQualifier in class ERXQualifierTraversal

Parameters:

q - the qualifier to process

Returns:

should traverse not qualifier

traverseOrQualifier

protected boolean traverseOrQualifier(EOOrQualifier q)

Description copied from class: ERXQualifierTraversal

Should traverse or qualifier?

Overrides:

traverseOrQualifier in class ERXQualifierTraversal

Parameters:

q - the qualifier to process

Returns:

should traverse or qualifier

traverseAndQualifier

protected boolean traverseAndQualifier(EOAndQualifier q)

Description copied from class: ERXQualifierTraversal

Should traverse and qualifier?

Overrides:

traverseAndQualifier in class ERXQualifierTraversal

Parameters:

q - the qualifier to process

Returns:

should traverse and qualifier

traverseKeyValueQualifier

protected boolean traverseKeyValueQualifier(EOKeyValueQualifier q)

Description copied from class: ERXQualifierTraversal

Should traverse a key value qualifier?

Overrides:

traverseKeyValueQualifier in class ERXQualifierTraversal

Parameters:

q - the qualifier to process

Returns:

should traverse key value qualifier

traverseKeyComparisonQualifier

protected boolean traverseKeyComparisonQualifier(EOKeyComparisonQualifier q)

Description copied from class: ERXQualifierTraversal

Should traverse key comparison qualifier?

Overrides:

traverseKeyComparisonQualifier in class ERXQualifierTraversal

Parameters:

q - the qualifier to process

Returns:

should traverse key comparison qualifier

traverseFalseQualifier

protected boolean traverseFalseQualifier(ERXFalseQualifier q)

Description copied from class: ERXQualifierTraversal

Should traverse false qualifier?

Overrides:

traverseFalseQualifier in class ERXQualifierTraversal

Parameters:

q - the qualifier to process

Returns:

should traverse false qualifier

traverseTrueQualifier

protected boolean traverseTrueQualifier(ERXTrueQualifier q)

Description copied from class: ERXQualifierTraversal

Should traverse true qualifier?

Overrides:

traverseTrueQualifier in class ERXQualifierTraversal

Parameters:

q - the qualifier to process

Returns:

should traverse true qualifier

traverseExistsQualifier

protected boolean traverseExistsQualifier(ERXExistsQualifier q)

Description copied from class: ERXQualifierTraversal

Should traverse exists qualifier?

Overrides:

traverseExistsQualifier in class ERXQualifierTraversal

Parameters:

q - the qualifier to process

Returns:

should traverse exists qualifier

traverse

public void traverse(EOQualifierEvaluation q,
                     boolean postOrder)

Description copied from class: ERXQualifierTraversal

Visit every descendent qualifier in the given qualifier tree.

Overrides:

traverse in class ERXQualifierTraversal

Parameters:

q - the root qualifier to traverse

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