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java.lang.Object org.eclipse.emf.query.conditions.Condition org.eclipse.emf.query.conditions.eobjects.EObjectCondition org.eclipse.emf.query.ocl.conditions.AbstractOCLCondition<C,CLS,E> org.eclipse.emf.query.ocl.conditions.BooleanOCLCondition<C,CLS,E>
public class BooleanOCLCondition<C,CLS,E>
A specialized OCL condition class that is used to apply boolean-valued OCL
expressions to EObject
s. These are commonly used to express
invariant constraints; they are not typically
evaluated but are usually
checked for isSatisfied(EObject)
.
Field Summary |
---|
Fields inherited from class org.eclipse.emf.query.conditions.eobjects.EObjectCondition |
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E_FALSE, E_TRUE |
Fields inherited from class org.eclipse.emf.query.conditions.Condition |
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FALSE, TRUE |
Constructor Summary | |
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BooleanOCLCondition(Environment<?,C,?,?,?,?,?,?,?,?,CLS,E> env,
Query<C,CLS,E> oclQuery,
C contextClassifier,
IEStructuralFeatureValueGetter eStructuralFeatureValueGetter,
PruneHandler pruneHandler)
Initializes a constraint condition with an OCL expression string, a context classifier representing the type of "self" in the OCL expression, an IEStructuralFeatureValueGetter to use to resolve the context
element for safe access to structural features, and a
PruneHandler.NEVER to consult for pruning the content tree. |
|
BooleanOCLCondition(Environment<?,C,?,?,?,?,?,?,?,?,CLS,E> env,
Query<C,CLS,E> oclQuery,
C contextClassifier,
PruneHandler pruneHandler)
Initializes a constraint condition with an OCL expression string, a context classifier representing the type of "self" in the OCL expression, and a PruneHandler.NEVER to consult for pruning the content tree. |
|
BooleanOCLCondition(Environment<?,C,?,?,?,?,?,?,?,?,CLS,E> env,
String oclExpressionString,
C contextClassifier)
Initializes a constraint condition with an OCL expression string and a context classifier representing the type of "self" in the OCL expression. |
|
BooleanOCLCondition(Environment<?,C,?,?,?,?,?,?,?,?,CLS,E> env,
String oclExpressionString,
C contextClassifier,
IEStructuralFeatureValueGetter eStructuralFeatureValueGetter)
Initializes a constraint condition with an OCL expression string, a context classifier representing the type of "self" in the OCL expression, and an IEStructuralFeatureValueGetter to use to resolve the context
element for safe access to structural features. |
|
BooleanOCLCondition(Environment<?,C,?,?,?,?,?,?,?,?,CLS,E> env,
String oclExpressionString,
C contextClassifier,
IEStructuralFeatureValueGetter eStructuralFeatureValueGetter,
PruneHandler pruneHandler)
Initializes a constraint condition with an OCL expression string, a context classifier representing the type of "self" in the OCL expression, an IEStructuralFeatureValueGetter to use to resolve the context
element for safe access to structural features, and a
PruneHandler.NEVER to consult for pruning the content tree. |
Method Summary | |
---|---|
boolean |
isSatisfied(EObject eObject)
Computes the boolean value resulting from evaluating the constraint condition on the specified eObject . |
Methods inherited from class org.eclipse.emf.query.ocl.conditions.AbstractOCLCondition |
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dispose, evaluate, getContextClassifier, getEStructuralFeatureValueGetter, getOCLQuery, getResultType, isContextFree, setEStructuralFeatureValueGetter |
Methods inherited from class org.eclipse.emf.query.conditions.eobjects.EObjectCondition |
---|
AND, EQUIVALENT, getPruneHandler, IMPLIES, isSatisfied, OR, shouldPrune, XOR |
Methods inherited from class org.eclipse.emf.query.conditions.Condition |
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AND, EQUIVALENT, IMPLIES, OR, XOR |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public BooleanOCLCondition(Environment<?,C,?,?,?,?,?,?,?,?,CLS,E> env, String oclExpressionString, C contextClassifier, IEStructuralFeatureValueGetter eStructuralFeatureValueGetter) throws ParserException
IEStructuralFeatureValueGetter
to use to resolve the context
element for safe access to structural features.
It defaults to using PruneHandler.NEVER
to consult
for pruning.
NOTE: if contextClassifier
is null
,
then this becomes a context-free OCL condition.
env
- an OCL environment in which to parse the expression.
Must not be null
oclExpressionString
- The OCL expression to apply when evaluating this
OCLCondition
contextClassifier
- The OCL context classifier.
Use null
to create a context-free condition.eStructuralFeatureValueGetter
- The strategy for accessing structural feature values. It
serves as a layer of indirection to allow clients to intervene
between this condition object and the way it extracts the
structural features' values so
as to allow for manipulation of such values before subjecting
them to evaluation by the OCL interpreter.
ParserException
- on failure to parse the specified expression in
the given classifier context, if this is not a context-free querypublic BooleanOCLCondition(Environment<?,C,?,?,?,?,?,?,?,?,CLS,E> env, String oclExpressionString, C contextClassifier) throws ParserException
IEStructuralFeatureValueGetter
is used to resolve the context
element for safe access to structural features.
It also defaults to using PruneHandler.NEVER
to consult
for pruning.
NOTE: if contextClassifier
is null
,
then this becomes a context-free OCL condition.
env
- an OCL environment in which to parse the expression.
Must not be null
oclExpressionString
- The OCL expression to apply when evaluating this
OCLCondition
contextClassifier
- The OCL context classifier.
Use null
to create a context-free condition.
ParserException
- on failure to parse the specified expression in
the given classifier context, if this is not a context-free querypublic BooleanOCLCondition(Environment<?,C,?,?,?,?,?,?,?,?,CLS,E> env, String oclExpressionString, C contextClassifier, IEStructuralFeatureValueGetter eStructuralFeatureValueGetter, PruneHandler pruneHandler) throws ParserException
IEStructuralFeatureValueGetter
to use to resolve the context
element for safe access to structural features, and a
PruneHandler.NEVER
to consult for pruning the content tree.
NOTE: if contextClassifier
is null
,
then this becomes a context-free OCL condition.
env
- an OCL environment in which to parse the expression.
Must not be null
oclExpressionString
- The OCL expression to apply when evaluating this
OCLCondition
contextClassifier
- The OCL context classifier.
Use null
to create a context-free condition.eStructuralFeatureValueGetter
- The strategy for accessing structural feature values. It
serves as a layer of indirection to allow clients to intervene
between this condition object and the way it extracts the
structural features' values so
as to allow for manipulation of such values before subjecting
them to evaluation by the OCL interpreter.pruneHandler
- The PruneHandler
to consult when pruning
ParserException
- on failure to parse the specified expression in
the given classifier context, if this is not a context-free querypublic BooleanOCLCondition(Environment<?,C,?,?,?,?,?,?,?,?,CLS,E> env, Query<C,CLS,E> oclQuery, C contextClassifier, IEStructuralFeatureValueGetter eStructuralFeatureValueGetter, PruneHandler pruneHandler)
IEStructuralFeatureValueGetter
to use to resolve the context
element for safe access to structural features, and a
PruneHandler.NEVER
to consult for pruning the content tree.
NOTE: if contextClassifier
is null
,
then this becomes a context-free OCL condition.
env
- the OCL environment in which the OCL query was parsed.
Must not be null
oclQuery
- The OCL query to apply when evaluating this conditioncontextClassifier
- The OCL context classifier. Must not be null
eStructuralFeatureValueGetter
- The strategy for accessing structural feature values. It
serves as a layer of indirection to allow clients to intervene
between this condition object and the way it extracts the
structural features' values so
as to allow for manipulation of such values before subjecting
them to evaluation by the OCL interpreter.pruneHandler
- The PruneHandler
to consult when pruning
ParserException
- on failure to parse the specified expression in
the given classifier context, if this is not a context-free querypublic BooleanOCLCondition(Environment<?,C,?,?,?,?,?,?,?,?,CLS,E> env, Query<C,CLS,E> oclQuery, C contextClassifier, PruneHandler pruneHandler)
PruneHandler.NEVER
to consult for pruning the content tree.
NOTE: if contextClassifier
is null
,
then this becomes a context-free OCL condition.
env
- the OCL environment in which the OCL query was parsed.
Must not be null
oclQuery
- The OCL query to apply when evaluating this conditioncontextClassifier
- The OCL context classifier. Must not be null
pruneHandler
- The PruneHandler
to consult when pruning
ParserException
- on failure to parse the specified expression in
the given classifier context, if this is not a context-free queryMethod Detail |
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public boolean isSatisfied(EObject eObject)
eObject
.
isSatisfied
in class AbstractOCLCondition<C,CLS,E>
eObject
- the EObject
to check
true
if the argument eObject satisfies
this EObjectCondition
AbstractOCLCondition.getContextClassifier()
,
AbstractOCLCondition.isContextFree()
|
Copyright 2002, 2007 IBM Corporation and others. All Rights Reserved. |
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