monasca.api.domain.model.dimension.DimensionValues.java Source code

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Here is the source code for monasca.api.domain.model.dimension.DimensionValues.java

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/*
 * Copyright (c) 2016 Hewlett-Packard Development Company, L.P.
 *
 * 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 monasca.api.domain.model.dimension;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.fasterxml.jackson.annotation.JsonInclude;

import monasca.common.model.domain.common.AbstractEntity;

import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.codec.binary.Hex;

/**
 * Encapsulates the list of dimension values for a given dimension name
 * (and optional metric-name).
 */
public class DimensionValues extends AbstractEntity {

    protected String id = null;
    protected String dimensionName;
    @JsonInclude(JsonInclude.Include.NON_NULL)
    protected String metricName;
    protected List<String> values;
    protected Map<String, List<String>> dimensionValues;

    public DimensionValues() {
        this.values = new ArrayList<String>();
        this.dimensionValues = new HashMap<String, List<String>>();
    }

    public DimensionValues(String metricName, String dimensionName, List<String> values) {
        this.metricName = metricName;
        this.dimensionName = dimensionName;
        this.values = values;
        this.dimensionValues = new HashMap<String, List<String>>();
        this.dimensionValues.put(dimensionName, values);
        this.id = generateId();
    }

    public List<String> getValues() {
        return values;
    }

    public String getDimensionName() {
        return dimensionName;
    }

    public String getMetricName() {
        return metricName;
    }

    public String getId() {
        if (null == this.id) {
            this.id = generateId();
        }
        return this.id;
    }

    private String generateId() {
        String hashstr = "metricName=" + metricName + "dimensionName=" + dimensionName;
        byte[] sha1Hash = DigestUtils.sha(hashstr);
        return Hex.encodeHexString(sha1Hash);
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        DimensionValues other = (DimensionValues) obj;
        if (dimensionName == null) {
            if (other.dimensionName != null)
                return false;
        } else if (!dimensionName.equals(other.dimensionName))
            return false;
        if (metricName == null) {
            if (other.metricName != null)
                return false;
        } else if (!metricName.equals(other.metricName))
            return false;
        if (values == null) {
            if (other.values != null)
                return false;
        } else if (!values.equals(other.values))
            return false;
        return true;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((dimensionName == null) ? 0 : dimensionName.hashCode());
        result = prime * result + ((metricName == null) ? 0 : metricName.hashCode());
        result = prime * result + ((values == null) ? 0 : values.hashCode());
        return result;
    }

    @Override
    public String toString() {
        return String.format("MetricName=%s DimensionValues [name=%s, values=%s]", metricName, dimensionName,
                values);
    }
}