org.dawnsci.persistence.json.function.FunctionListBean.java Source code

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Here is the source code for org.dawnsci.persistence.json.function.FunctionListBean.java

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/*
 * Copyright (c) 2012 Diamond Light Source Ltd.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package org.dawnsci.persistence.json.function;

import java.lang.reflect.InvocationTargetException;
import java.util.Arrays;

import org.dawnsci.persistence.util.PersistenceUtils;
import org.eclipse.dawnsci.analysis.api.fitting.functions.IFunction;
import org.eclipse.dawnsci.analysis.api.fitting.functions.IOperator;

import com.fasterxml.jackson.annotation.JsonIgnore;

/**
 * Function list bean used to marshall/unmarshall to / from JSON strings <br>
 * Used to serialise/un-serialise Composite functions
 */
public class FunctionListBean {

    protected String name;
    protected String type;
    protected FunctionBean[] functions;

    public FunctionListBean() {

    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public FunctionBean[] getFunctions() {
        return functions;
    }

    public void setFunctions(FunctionBean[] functions) {
        this.functions = functions;
    }

    /**
     * Method that converts a function bean to an IFunction using reflection
     * 
     * @return IFunction
     * @throws InvocationTargetException
     * @throws IllegalArgumentException
     * @throws IllegalAccessException
     * @throws InstantiationException
     * @throws SecurityException
     * @throws NoSuchMethodException
     * @throws ClassNotFoundException
     */
    @JsonIgnore
    public IFunction getIFunction() throws ClassNotFoundException, NoSuchMethodException, SecurityException,
            InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
        FunctionBean[] funcBeans = getFunctions();
        IFunction[] functions = new IFunction[funcBeans.length];

        IFunction operator = (IFunction) PersistenceUtils.getInstance(type);
        operator.setName(name);

        for (int i = 0; i < funcBeans.length; i++) {
            functions[i] = funcBeans[i].getIFunction();
            ((IOperator) operator).addFunction(functions[i]);
        }
        return operator;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((name == null) ? 0 : name.hashCode());
        result = prime * result + Arrays.hashCode(functions);
        result = prime * result + type.hashCode();
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        FunctionListBean other = (FunctionListBean) obj;
        if (name == null) {
            if (other.name != null)
                return false;
        } else if (!name.equals(other.name))
            return false;
        if (!Arrays.equals(functions, other.functions))
            return false;
        if (type != other.type)
            return false;
        return true;
    }

}