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• 0.8.2
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• TreeBase.java

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org.aksw.commons.collections.trees.TreeBase Maven / Gradle / Ivy

package org.aksw.commons.collections.trees;

/**
 * Base implementation that lazily caches the node count
 *
 * @author raven
 *
 * @param 
 */
public abstract class TreeBase
	implements Tree
{
	long nodeCount = -1;

	public long nodeCount() {
		if(nodeCount < 0) {
			nodeCount = TreeUtils.nodeCount(this);
		}

		return nodeCount;
	}
}