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Ehcache is an open source, standards-based cache used to boost performance, offload the database and simplify scalability. Ehcache is robust, proven and full-featured and this has made it the most widely-used Java-based cache.
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/**
 *  Copyright Terracotta, Inc.
 *
 *  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 net.sf.ehcache.config;

/**
 * A class to represent the CacheManagerEventListener configuration.
 * 
 * @param 
 *            the concrete factory type
 * 
 * @author Greg Luck
 * @version $Id: FactoryConfiguration.java 5594 2012-05-07 16:04:31Z cdennis $
 */
public class FactoryConfiguration implements Cloneable {
    /**
     * class name.
     */
    protected String fullyQualifiedClassPath;

    /**
     * properties.
     */
    protected String properties;

    /**
     * A property separator. By default it is a comma, but other separators can be configured.
     */
    protected String propertySeparator;

    /**
     * Clones this object, following the usual contract.
     * 
     * @return a copy, which independent other than configurations than cannot change.
     */
    @Override
    public T clone() {
        FactoryConfiguration config;
        try {
            config = (FactoryConfiguration) super.clone();
        } catch (CloneNotSupportedException e) {
            throw new RuntimeException(e);
        }

        return (T) config;
    }

    /**
     * Sets the class name.
     * 
     * @param fullyQualifiedClassPath
     */
    public final void setClass(String fullyQualifiedClassPath) {
        this.fullyQualifiedClassPath = fullyQualifiedClassPath;
    }

    /**
     * @return this configuration instance
     * @see #setClass(String)
     */
    public T className(String fullyQualifiedClassPath) {
        setClass(fullyQualifiedClassPath);
        return (T) this;
    }

    /**
     * Getter.
     */
    public final String getFullyQualifiedClassPath() {
        return fullyQualifiedClassPath;
    }

    /**
     * Sets the configuration properties.
     * 
     * @param properties
     */
    public final void setProperties(String properties) {
        this.properties = properties;
    }

    /**
     * @return this configuration instance
     * @see #setProperties(String)
     */
    public T properties(String properties) {
        setProperties(properties);
        return (T) this;
    }

    /**
     * Getter.
     */
    public final String getProperties() {
        return properties;
    }

    /**
     * Setter
     */
    public void setPropertySeparator(String propertySeparator) {
        this.propertySeparator = propertySeparator;
    }

    /**
     * @return this configuration instance
     * @see #setPropertySeparator(String)
     */
    public T propertySeparator(String propertySeparator) {
        setPropertySeparator(propertySeparator);
        return (T) this;
    }

    /**
     * Getter
     */
    public String getPropertySeparator() {
        return propertySeparator;
    }

    /**
     * Overrided hashCode()
     */
    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((fullyQualifiedClassPath == null) ? 0 : fullyQualifiedClassPath.hashCode());
        result = prime * result + ((properties == null) ? 0 : properties.hashCode());
        result = prime * result + ((propertySeparator == null) ? 0 : propertySeparator.hashCode());
        return result;
    }

    /**
     * Overrided equals
     */
    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        FactoryConfiguration other = (FactoryConfiguration) obj;
        if (fullyQualifiedClassPath == null) {
            if (other.fullyQualifiedClassPath != null) {
                return false;
            }
        } else if (!fullyQualifiedClassPath.equals(other.fullyQualifiedClassPath)) {
            return false;
        }
        if (properties == null) {
            if (other.properties != null) {
                return false;
            }
        } else if (!properties.equals(other.properties)) {
            return false;
        }
        if (propertySeparator == null) {
            if (other.propertySeparator != null) {
                return false;
            }
        } else if (!propertySeparator.equals(other.propertySeparator)) {
            return false;
        }
        return true;
    }

}