com.opengamma.engine.cache.ViewComputationCacheKey.java Source code

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Here is the source code for com.opengamma.engine.cache.ViewComputationCacheKey.java

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/**
 * Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.engine.cache;

import java.io.Serializable;

import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;

import com.opengamma.id.UniqueId;
import com.opengamma.util.ArgumentChecker;

/**
 * Identifies a {@link ViewComputationCache}.
 */
/*package*/ class ViewComputationCacheKey implements Serializable {

    private static final long serialVersionUID = 1L;

    private final UniqueId _viewCycleId;
    private final String _calculationConfigurationName;

    public ViewComputationCacheKey(UniqueId viewCycleId, String calculationConfigurationName) {
        ArgumentChecker.notNull(viewCycleId, "viewCycleId");
        ArgumentChecker.notNull(calculationConfigurationName, "calculationConfigurationName");
        _viewCycleId = viewCycleId;
        _calculationConfigurationName = calculationConfigurationName;
    }

    /**
     * Gets the unique identifer of the view cycle.
     * 
     * @return the unique identifier of the view cycle, not null
     */
    public UniqueId getViewCycleId() {
        return _viewCycleId;
    }

    /**
     * Gets the calculation configuration name.
     * 
     * @return the calculation configuration name, not null
     */
    public String getCalculationConfigurationName() {
        return _calculationConfigurationName;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + _calculationConfigurationName.hashCode();
        result = prime * result + _viewCycleId.hashCode();
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (!(obj instanceof ViewComputationCacheKey)) {
            return false;
        }
        ViewComputationCacheKey other = (ViewComputationCacheKey) obj;
        if (!_calculationConfigurationName.equals(other._calculationConfigurationName)) {
            return false;
        }
        if (!_viewCycleId.equals(other._viewCycleId)) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE);
    }

}