edu.cmu.lti.oaqa.framework.eval.Key.java Source code

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Here is the source code for edu.cmu.lti.oaqa.framework.eval.Key.java

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/*
 *  Copyright 2012 Carnegie Mellon University
 *
 *  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 edu.cmu.lti.oaqa.framework.eval;

import com.google.common.base.Objects;
import com.google.common.hash.HashCode;
import com.google.common.hash.HashFunction;
import com.google.common.hash.Hasher;
import com.google.common.hash.Hashing;

import edu.cmu.lti.oaqa.ecd.phase.Trace;

public final class Key {
    private final String experiment;

    private final Trace trace;

    private final int stage;

    public Key(String experiment, Trace trace, int stage) {
        this.experiment = experiment;
        this.stage = stage;
        this.trace = trace;
    }

    public int hashCode() {
        return Objects.hashCode(getExperiment(), getTrace());
    }

    public String hashString() {
        HashFunction hf = Hashing.sha256();
        Hasher hasher = hf.newHasher();
        hasher.putString(getExperiment());
        hasher.putString(getTrace().getTrace());
        HashCode hash = hasher.hash();
        return hash.toString();
    }

    public boolean equals(Object o) {
        if (o == this)
            return true;
        if (!(o instanceof Key))
            return false;
        Key k = (Key) o;
        return k.getTrace().equals(getTrace()) && k.getExperiment().equals(getExperiment());
    }

    public int getStage() {
        return stage;
    }

    public String toString() {
        return getExperiment() + "," + getTrace() + ": " + getStage();
    }

    public String getExperiment() {
        return experiment;
    }

    public Trace getTrace() {
        return trace;
    }
}