/*
 * Copyright 2012 Takao Nakaguchi
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.trie4j.util;

public class LapTimer {
	public LapTimer(){
		prev = System.currentTimeMillis();
	}

	public long lap(){
		long c = System.currentTimeMillis();
		long ret = c - prev;
		prev = c;
		return ret;
	}
	
	public long lap(String format, Object... args){
		long c = System.currentTimeMillis();
		long ret = c - prev;
		prev = c;
		System.out.print(String.format("[%s]: ", ret));
		System.out.println(String.format(format, args));
		return ret;
	}
	
	private long prev;
}

/*
 * Copyright 2012 Takao Nakaguchi
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.trie4j.util;

public class LapTimer {
	public LapTimer(){
		prev = System.nanoTime();
	}

	public long lap(){
		long c = System.nanoTime();
		long ret = c - prev;
		prev = c;
		return ret / 1000000;
	}
	
	public long lap(String format, Object... args){
		long c = System.nanoTime();
		long ret = c - prev;
		prev = c;
		System.out.print(String.format("[%s]: ", ret / 1000000));
		System.out.println(String.format(format, args));
		return ret;
	}
	
	private long prev;
}

change currentTimeMillis() to nanoTime()