Package org.drools.base.rule

Class Pattern

java.lang.Object
org.drools.base.rule.Pattern
All Implemented Interfaces:
Externalizable, Serializable, Cloneable, AcceptsClassObjectType, RuleComponent, RuleConditionElement
Direct Known Subclasses:
XpathBackReference.RelativePattern
public class Pattern extends Object implements RuleConditionElement, AcceptsClassObjectType, Externalizable
See Also:

  • Constructor Details

    • Pattern

      public Pattern()

    • Pattern

      public Pattern(int patternId, ObjectType objectType)

    • Pattern

      public Pattern(int patternId, ObjectType objectType, String identifier)

    • Pattern

      public Pattern(int patternId, int tupleIndex, int objectIndex, ObjectType objectType, String identifier)

    • Pattern

      public Pattern(int patternId, int tupleIndex, int objectIndex, ObjectType objectType, String identifier, boolean isInternalFact)

  • Method Details

    • hasNegativeConstraint

      public boolean hasNegativeConstraint()

    • setHasNegativeConstraint

      public void setHasNegativeConstraint(boolean negative)

    • readExternal

      public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
      Specified by:
      readExternal in interface Externalizable
      Throws:
      IOException
      ClassNotFoundException

    • writeExternal

      public void writeExternal(ObjectOutput out) throws IOException
      Specified by:
      writeExternal in interface Externalizable
      Throws:
      IOException

    • setClassObjectType

      public void setClassObjectType(ClassObjectType objectType)
      Specified by:
      setClassObjectType in interface AcceptsClassObjectType

    • getRequiredDeclarations

      public Declaration[] getRequiredDeclarations()

    • clone

      public Pattern clone()
      Description copied from interface: RuleConditionElement
      Returns a clone from itself
      Specified by:
      clone in interface RuleConditionElement
      Overrides:
      clone in class Object
      Returns:

    • getObjectType

      public ObjectType getObjectType()

    • setObjectType

      public void setObjectType(ObjectType objectType)

    • getSource

      public PatternSource getSource()

    • setSource

      public void setSource(PatternSource source)

    • isPassive

      public boolean isPassive()

    • setPassive

      public void setPassive(boolean passive)

    • getConstraints

      public List<Constraint> getConstraints()

    • addConstraint

      public void addConstraint(int index, Constraint constraint)

    • addConstraints

      public void addConstraints(Collection<Constraint> constraints)

    • addConstraint

      public void addConstraint(Constraint constraint)

    • hasXPath

      public boolean hasXPath()

    • getXpathConstraint

      public XpathConstraint getXpathConstraint()

    • getXPathDeclaration

      public Declaration getXPathDeclaration()

    • addDeclaration

      public Declaration addDeclaration(String identifier)

    • addDeclaration

      public void addDeclaration(Declaration decl)

    • resetDeclarations

      public void resetDeclarations()

    • isBound

      public boolean isBound()

    • getDeclaration

      public Declaration getDeclaration()

    • getPatternId

      public int getPatternId()
      The index of the Pattern, in the list of patterns.
      Returns:
      the patternIndex

    • getObjectIndex

      public int getObjectIndex()

    • setObjectIndex

      public void setObjectIndex(int objectIndex)

    • getTupleIndex

      public int getTupleIndex()
      The index of pattern in the tuple chain.
      Returns:
      the tupleIndex

    • setTupleIndex

      public void setTupleIndex(int tupleIndex)

    • getDeclarations

      public Map<String,Declaration> getDeclarations()

    • getInnerDeclarations

      public Map<String,Declaration> getInnerDeclarations()
      Description copied from interface: RuleConditionElement
      Returns a Map of declarations that are visible inside this conditional element
      Specified by:
      getInnerDeclarations in interface RuleConditionElement
      Returns:

    • getOuterDeclarations

      public Map<String,Declaration> getOuterDeclarations()
      Description copied from interface: RuleConditionElement
      Returns a Map of declarations that are visible outside this conditional element.
      Specified by:
      getOuterDeclarations in interface RuleConditionElement
      Returns:

    • resolveDeclaration

      public Declaration resolveDeclaration(String identifier)
      Description copied from interface: RuleConditionElement
      Resolves the given identifier in the current scope and returns the Declaration object for the declaration. Returns null if identifier can not be resolved.
      Specified by:
      resolveDeclaration in interface RuleConditionElement
      Returns:

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • equals

      public boolean equals(Object object)
      Overrides:
      equals in class Object

    • getNestedElements

      public List<RuleConditionElement> getNestedElements()
      Description copied from interface: RuleConditionElement
      Returs a list of RuleConditionElement's that are nested inside the current element
      Specified by:
      getNestedElements in interface RuleConditionElement
      Returns:

    • isPatternScopeDelimiter

      public boolean isPatternScopeDelimiter()
      Description copied from interface: RuleConditionElement
      Returns true in case this RuleConditionElement delimits a pattern visibility scope. For instance, AND CE is not a scope delimiter, while NOT CE is a scope delimiter
      Specified by:
      isPatternScopeDelimiter in interface RuleConditionElement
      Returns:

    • getBehaviors

      public List<Behavior> getBehaviors()
      Returns:
      the behaviors

    • setBehaviors

      public void setBehaviors(List<Behavior> behaviors)
      Parameters:
      behaviors - the behaviors to set

    • addBehavior

      public void addBehavior(Behavior behavior)

    • getListenedProperties

      public Collection<String> getListenedProperties()

    • addBoundProperty

      public void addBoundProperty(String boundProperty)

    • addWatchedProperty

      public void addWatchedProperty(String watchedProperty)

    • addWatchedProperties

      public void addWatchedProperties(Collection<String> watchedProperties)

    • getAccessibleProperties

      public List<String> getAccessibleProperties(RuleBase ruleBase)

    • getPositiveWatchMask

      public BitMask getPositiveWatchMask(List<String> accessibleProperties)

    • setPositiveWatchMask

      public void setPositiveWatchMask(BitMask positiveWatchMask)

    • getNegativeWatchMask

      public BitMask getNegativeWatchMask(List<String> accessibleProperties)

    • setNegativeWatchMask

      public void setNegativeWatchMask(BitMask negativeWatchMask)

    • getAnnotations

      public Map<String,AnnotationDefinition> getAnnotations()

    • getBackRefDeclarations

      public XpathBackReference getBackRefDeclarations()

    • setBackRefDeclarations

      public void setBackRefDeclarations(XpathBackReference backRefDeclarations)

    • getXpathBackReferenceClasses

      public List<Class<?>> getXpathBackReferenceClasses()

    • isCompatibleWithAccumulateReturnType

      public boolean isCompatibleWithAccumulateReturnType(Class<?> returnType)

    • isCompatibleWithFromReturnType

      public boolean isCompatibleWithFromReturnType(Class<?> returnType)

    • isCompatibleWithAccumulateReturnType

      public static boolean isCompatibleWithAccumulateReturnType(Class<?> patternType, Class<?> returnType)

    • isCompatibleWithFromReturnType

      public static boolean isCompatibleWithFromReturnType(Class<?> patternType, Class<?> returnType)