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/*
 * Copyright 2018 Global Crop Diversity Trust
 *
 * 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.genesys.blocks.auditlog.model;

import org.genesys.blocks.model.ClassPK;

/**
 * Temporary audit log.
 */
public class TransactionAuditLog {

	/** Class name of the referenced entity. */
	private ClassPK classPk;

	/** ID of the referenced entity. */
	private long entityId;

	/** The name of the property modified. */
	private String propertyName;

	/** The type of entity referenced in the changed property. */
	private ClassPK referencedEntity;

	/** String representation of the previous state. */
	private String previousState;

	/** String representation of the updated state. */
	private String newState;
	
	/** The previous object */
	private Object previousObject;

	/** The new object */
	private Object newObject;

	/** The action. */
	private AuditAction action;

	/**
	 * Gets the class pk.
	 *
	 * @return the class pk
	 */
	public ClassPK getClassPk() {
		return classPk;
	}

	/**
	 * Sets the class pk.
	 *
	 * @param classPk the new class pk
	 */
	public void setClassPk(final ClassPK classPk) {
		this.classPk = classPk;
	}

	/**
	 * Gets the entity id.
	 *
	 * @return the entity id
	 */
	public long getEntityId() {
		return entityId;
	}

	/**
	 * Sets the entity id.
	 *
	 * @param entityId the new entity id
	 */
	public void setEntityId(final long entityId) {
		this.entityId = entityId;
	}

	/**
	 * Sets the property name.
	 *
	 * @param propertyName the new property name
	 */
	public void setPropertyName(final String propertyName) {
		this.propertyName = propertyName;
	}

	/**
	 * Gets the property name.
	 *
	 * @return the property name
	 */
	public String getPropertyName() {
		return propertyName;
	}

	/**
	 * Sets the referenced entity.
	 *
	 * @param referencedEntity the new referenced entity
	 */
	public void setReferencedEntity(final ClassPK referencedEntity) {
		this.referencedEntity = referencedEntity;
	}

	/**
	 * Gets the referenced entity.
	 *
	 * @return the referenced entity
	 */
	public ClassPK getReferencedEntity() {
		return referencedEntity;
	}

	/**
	 * Sets the previous state.
	 *
	 * @param previousState the new previous state
	 */
	public void setPreviousState(final String previousState) {
		this.previousState = previousState;
	}

	/**
	 * Gets the previous state.
	 *
	 * @return the previous state
	 */
	public String getPreviousState() {
		return previousState;
	}

	/**
	 * Sets the new state.
	 *
	 * @param newState the new new state
	 */
	public void setNewState(final String newState) {
		this.newState = newState;
	}

	/**
	 * Gets the new state.
	 *
	 * @return the new state
	 */
	public String getNewState() {
		return newState;
	}

	/**
	 * Sets the action.
	 *
	 * @param action the new action
	 */
	public void setAction(final AuditAction action) {
		this.action = action;
	}

	/**
	 * Gets the action.
	 *
	 * @return the action
	 */
	public AuditAction getAction() {
		return action;
	}

	/**
	 * @return the previousObject
	 */
	public Object getPreviousObject() {
		return previousObject;
	}

	/**
	 * @param previousObject the previousObject to set
	 */
	public void setPreviousObject(Object previousObject) {
		this.previousObject = previousObject;
	}

	/**
	 * @return the newObject
	 */
	public Object getNewObject() {
		return newObject;
	}

	/**
	 * @param newObject the newObject to set
	 */
	public void setNewObject(Object newObject) {
		this.newObject = newObject;
	}

	/*
	 * (non-Javadoc)
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((classPk == null) ? 0 : classPk.hashCode());
		result = prime * result + (int) (entityId ^ (entityId >>> 32));
		result = prime * result + ((propertyName == null) ? 0 : propertyName.hashCode());
		return result;
	}

	/*
	 * (non-Javadoc)
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		TransactionAuditLog other = (TransactionAuditLog) obj;
		if (classPk == null) {
			if (other.classPk != null)
				return false;
		} else if (!classPk.equals(other.classPk))
			return false;
		if (entityId != other.entityId)
			return false;
		if (propertyName == null) {
			if (other.propertyName != null)
				return false;
		} else if (!propertyName.equals(other.propertyName))
			return false;
		return true;
	}

	@Override
	public String toString() {
		StringBuffer sb = new StringBuffer();
		sb.append(action.toString()).append(" shortname=").append(classPk.getShortName()).append(" id=").append(entityId).append(" ").append(propertyName).append("='").append(previousState).append(
			"' -> '").append(newState).append("'");
		return sb.toString();
	}

}