Package org.drools.core.common
Class TupleStartEqualsConstraint
- java.lang.Object
-
- org.drools.core.common.TupleStartEqualsConstraint
-
- All Implemented Interfaces:
java.io.Externalizable
,java.io.Serializable
,java.lang.Cloneable
,org.drools.base.rule.constraint.BetaNodeFieldConstraint
,org.drools.base.rule.constraint.Constraint
,org.drools.base.rule.RuleComponent
public class TupleStartEqualsConstraint extends java.lang.Object implements org.drools.base.rule.constraint.BetaNodeFieldConstraint
Checks if one tuple is the start subtuple of other tuple. For instance, if we have two tuples: T1 = [ a, b, c ] T2 = [ a, b, c, d, e] This constraint will evaluate to true as T1 is the starting subtuple of T2. On the other hand, if we have: T1 = [ a, c, b ] T2 = [ a, b, c, d, e ] This constraint will evaluate to false, as T1 is not the starting subtuple of T2. Besides having the same elements, the order is different. This constraint is used when joining subnetworks back into the main network.- See Also:
- Serialized Form
-
-
Nested Class Summary
Nested Classes Modifier and Type Class Description static class
TupleStartEqualsConstraint.TupleStartEqualsConstraintContextEntry
-
Constructor Summary
Constructors Constructor Description TupleStartEqualsConstraint()
-
Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description TupleStartEqualsConstraint
clone()
org.drools.base.rule.constraint.BetaNodeFieldConstraint
cloneIfInUse()
org.drools.base.rule.ContextEntry
createContextEntry()
boolean
equals(java.lang.Object object)
static TupleStartEqualsConstraint
getInstance()
org.drools.base.rule.Declaration[]
getRequiredDeclarations()
org.drools.base.rule.constraint.Constraint.ConstraintType
getType()
int
hashCode()
boolean
isAllowedCachedLeft(org.drools.base.rule.ContextEntry context, org.kie.api.runtime.rule.FactHandle handle)
boolean
isAllowedCachedRight(org.drools.base.reteoo.BaseTuple tuple, org.drools.base.rule.ContextEntry context)
boolean
isTemporal()
void
readExternal(java.io.ObjectInput in)
void
replaceDeclaration(org.drools.base.rule.Declaration oldDecl, org.drools.base.rule.Declaration newDecl)
java.lang.String
toString()
void
writeExternal(java.io.ObjectOutput out)
-
-
-
Method Detail
-
readExternal
public void readExternal(java.io.ObjectInput in) throws java.io.IOException, java.lang.ClassNotFoundException
- Specified by:
readExternal
in interfacejava.io.Externalizable
- Throws:
java.io.IOException
java.lang.ClassNotFoundException
-
writeExternal
public void writeExternal(java.io.ObjectOutput out) throws java.io.IOException
- Specified by:
writeExternal
in interfacejava.io.Externalizable
- Throws:
java.io.IOException
-
getInstance
public static TupleStartEqualsConstraint getInstance()
-
getRequiredDeclarations
public org.drools.base.rule.Declaration[] getRequiredDeclarations()
- Specified by:
getRequiredDeclarations
in interfaceorg.drools.base.rule.constraint.Constraint
-
replaceDeclaration
public void replaceDeclaration(org.drools.base.rule.Declaration oldDecl, org.drools.base.rule.Declaration newDecl)
- Specified by:
replaceDeclaration
in interfaceorg.drools.base.rule.constraint.Constraint
-
isTemporal
public boolean isTemporal()
- Specified by:
isTemporal
in interfaceorg.drools.base.rule.constraint.Constraint
-
createContextEntry
public org.drools.base.rule.ContextEntry createContextEntry()
- Specified by:
createContextEntry
in interfaceorg.drools.base.rule.constraint.BetaNodeFieldConstraint
-
isAllowedCachedLeft
public boolean isAllowedCachedLeft(org.drools.base.rule.ContextEntry context, org.kie.api.runtime.rule.FactHandle handle)
- Specified by:
isAllowedCachedLeft
in interfaceorg.drools.base.rule.constraint.BetaNodeFieldConstraint
-
isAllowedCachedRight
public boolean isAllowedCachedRight(org.drools.base.reteoo.BaseTuple tuple, org.drools.base.rule.ContextEntry context)
- Specified by:
isAllowedCachedRight
in interfaceorg.drools.base.rule.constraint.BetaNodeFieldConstraint
-
toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
-
hashCode
public int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
-
equals
public boolean equals(java.lang.Object object)
- Overrides:
equals
in classjava.lang.Object
-
clone
public TupleStartEqualsConstraint clone()
- Specified by:
clone
in interfaceorg.drools.base.rule.constraint.Constraint
- Overrides:
clone
in classjava.lang.Object
-
getType
public org.drools.base.rule.constraint.Constraint.ConstraintType getType()
- Specified by:
getType
in interfaceorg.drools.base.rule.constraint.Constraint
-
cloneIfInUse
public org.drools.base.rule.constraint.BetaNodeFieldConstraint cloneIfInUse()
- Specified by:
cloneIfInUse
in interfaceorg.drools.base.rule.constraint.BetaNodeFieldConstraint
-
-