48 lines
1.0 KiB
Java
48 lines
1.0 KiB
Java
package search;
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import java.util.List;
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import java.util.Objects;
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public abstract class Node<T>
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{
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protected final T value;
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protected final int heuristicCosts;
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private final Node<T> parent;
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private int heuristicEstimation;
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protected Node(final T value)
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{
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this(value, null, 0);
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}
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protected Node(final T value, final Node<T> parent, final int heuristicCosts)
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{
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this.value = Objects.requireNonNull(value);
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this.parent = parent;
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this.heuristicCosts = heuristicCosts;
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}
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public T getValue()
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{
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return this.value;
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}
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public Node<T> getParent()
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{
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return this.parent;
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}
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public int getHeuristic()
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{
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return heuristicCosts + heuristicEstimation;
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}
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public void setHeuristicEstimation(final int heuristicEstimation)
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{
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this.heuristicEstimation = heuristicEstimation;
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}
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public abstract boolean isTargetReached(final Node<T> target);
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public abstract List<Node<T>> generateSuccessors();
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}
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