Package org.drools.core.common

Class BaseNode

  • All Implemented Interfaces:
    java.io.Serializable, org.drools.base.common.NetworkNode
    Direct Known Subclasses:
    AbstractTerminalNode, LeftTupleSource, ObjectSource
    public abstract class BaseNode
extends java.lang.Object
implements org.drools.base.common.NetworkNode
    The base class for all Rete nodes.
    See Also:
    Serialized Form

    • Field Detail

      • id

        protected int id

      • memoryId

        protected int memoryId

      • partitionId

        protected org.drools.base.common.RuleBasePartitionId partitionId

      • partitionsEnabled

        protected boolean partitionsEnabled

      • associations

        protected java.util.Set<org.kie.api.definition.rule.Rule> associations

      • hashcode

        protected int hashcode

    • Constructor Detail

      • BaseNode

        public BaseNode()

      • BaseNode

        public BaseNode​(int id,
                org.drools.base.common.RuleBasePartitionId partitionId,
                boolean partitionsEnabled)
        All nodes have a unique id, set in the constructor.
        Parameters:
        id - The unique id

    • Method Detail

      • getId

        public int getId()
        Specified by:
        getId in interface org.drools.base.common.NetworkNode

      • setId

        public void setId​(int id)

      • getMemoryId

        public int getMemoryId()

      • initMemoryId

        protected void initMemoryId​(BuildContext context)

      • isStreamMode

        public boolean isStreamMode()

      • setStreamMode

        protected void setStreamMode​(boolean streamMode)

      • attach

        public void attach​(BuildContext context)
        Attaches the node into the network. Usually to the parent ObjectSource or TupleSource

      • networkUpdated

        public abstract void networkUpdated​(UpdateContext updateContext)
        A method that is called for all nodes whose network below them changed, after the change is complete, providing them with an opportunity for state update

      • doRemove

        protected abstract boolean doRemove​(RuleRemovalContext context,
                                    ReteooBuilder builder)
        Removes the node from the network. Usually from the parent ObjectSource or TupleSource

      • isInUse

        public abstract boolean isInUse()
        Returns true in case the current node is in use (is referenced by any other node)

      • getObjectTypeNode

        public abstract ObjectTypeNode getObjectTypeNode()

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • getPartitionId

        public org.drools.base.common.RuleBasePartitionId getPartitionId()
        Returns the partition ID for which this node belongs to
        Specified by:
        getPartitionId in interface org.drools.base.common.NetworkNode

      • setPartitionId

        public void setPartitionId​(BuildContext context,
                           org.drools.base.common.RuleBasePartitionId partitionId)
        Sets the partition this node belongs to

      • setPartitionsEnabled

        public void setPartitionsEnabled​(boolean partitionsEnabled)

      • addAssociation

        public void addAssociation​(org.kie.api.definition.rule.Rule rule)
        Associates this node with the give rule

      • addAssociation

        public void addAssociation​(BuildContext context,
                           org.kie.api.definition.rule.Rule rule)

      • removeAssociation

        public boolean removeAssociation​(org.kie.api.definition.rule.Rule rule,
                                 RuleRemovalContext context)
        Removes the association to the given rule from the associations map.

      • getAssociationsSize

        public int getAssociationsSize()

      • getAssociatedRules

        public org.kie.api.definition.rule.Rule[] getAssociatedRules()
        Specified by:
        getAssociatedRules in interface org.drools.base.common.NetworkNode

      • isAssociatedWith

        public boolean isAssociatedWith​(org.kie.api.definition.rule.Rule rule)
        Specified by:
        isAssociatedWith in interface org.drools.base.common.NetworkNode

      • addAssociatedTerminal

        public void addAssociatedTerminal​(org.drools.base.reteoo.BaseTerminalNode terminalNode)
        Specified by:
        addAssociatedTerminal in interface org.drools.base.common.NetworkNode

      • removeAssociatedTerminal

        public void removeAssociatedTerminal​(org.drools.base.reteoo.BaseTerminalNode terminalNode)
        Specified by:
        removeAssociatedTerminal in interface org.drools.base.common.NetworkNode

      • getAssociatedTerminalsSize

        public int getAssociatedTerminalsSize()
        Specified by:
        getAssociatedTerminalsSize in interface org.drools.base.common.NetworkNode

      • hasAssociatedTerminal

        public boolean hasAssociatedTerminal​(org.drools.base.reteoo.BaseTerminalNode terminalNode)
        Specified by:
        hasAssociatedTerminal in interface org.drools.base.common.NetworkNode

      • hashCode

        public final int hashCode()
        Overrides:
        hashCode in class java.lang.Object

      • getSinks

        public org.drools.base.common.NetworkNode[] getSinks()
        Specified by:
        getSinks in interface org.drools.base.common.NetworkNode