142 lines
3.4 KiB
Java
142 lines
3.4 KiB
Java
package it.cavallium.warppi.math.functions;
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import it.cavallium.warppi.gui.expression.blocks.Block;
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import it.cavallium.warppi.gui.expression.blocks.BlockChar;
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import it.cavallium.warppi.math.Function;
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import it.cavallium.warppi.math.MathContext;
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import it.cavallium.warppi.math.rules.Rule;
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import it.cavallium.warppi.util.Error;
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import it.unimi.dsi.fastutil.objects.ObjectArrayList;
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import java.util.Objects;
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public class Variable implements Function {
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protected char var;
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protected final MathContext root;
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protected V_TYPE type = V_TYPE.CONSTANT;
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private boolean simplified;
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public Variable(final MathContext root, final char val, final V_TYPE type) {
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this.root = root;
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var = val;
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this.type = type;
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}
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public Variable(final MathContext root, final String s, final V_TYPE type) throws Error {
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this(root, s.charAt(0), type);
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}
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/**
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* Copy
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* @param old
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* @param root
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*/
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public Variable(Variable old, MathContext root) {
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this.root = root;
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this.type = old.type;
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this.var = old.var;
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}
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public char getChar() {
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return var;
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}
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public Variable setChar(final char val) {
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return new Variable(root, val, type);
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}
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public V_TYPE getType() {
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return type;
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}
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public Variable setType(final V_TYPE typ) {
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return new Variable(root, var, typ);
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}
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@Override
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public String toString() {
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return "" + getChar();
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}
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public static class VariableValue {
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public final Variable v;
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public final Number n;
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public VariableValue(final Variable v, final Number n) {
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this.v = v;
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this.n = n;
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}
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/**
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* Copy
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* @param old
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* @param newContext
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*/
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public VariableValue(VariableValue old, MathContext newContext) {
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this.v = new Variable(old.v, newContext);
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this.n = new Number(old.n, newContext);
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}
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}
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@Override
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public ObjectArrayList<Function> simplify(final Rule rule) throws Error, InterruptedException {
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return rule.execute(this);
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}
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@Override
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public int hashCode() {
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return Objects.hash(var, type);
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}
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@Override
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public boolean equals(final Object o) {
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if (o instanceof Variable) {
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return ((Variable) o).getChar() == var && ((Variable) o).getType() == type;
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}
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return false;
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}
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@Override
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public MathContext getMathContext() {
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return root;
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}
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@Override
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public Variable clone() {
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return new Variable(root, var, type);
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}
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@Override
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public Variable clone(MathContext c) {
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return new Variable(c, var, type);
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}
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public static enum V_TYPE {
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CONSTANT, VARIABLE, SOLUTION
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}
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@Override
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public Function setParameter(final int index, final Function var) throws IndexOutOfBoundsException {
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throw new IndexOutOfBoundsException();
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}
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@Override
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public Function getParameter(final int index) throws IndexOutOfBoundsException {
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throw new IndexOutOfBoundsException();
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}
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@Override
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public ObjectArrayList<Block> toBlock(final MathContext context) {
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final ObjectArrayList<Block> result = new ObjectArrayList<>();
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//TODO: Temporary solution. In near future Variables will be distint objects and they will have a color. So they will be no longer a BlockChar/FeatureChar
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result.add(new BlockChar(getChar()));
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return result;
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}
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@Override
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public <Argument, Result> Result accept(final Function.Visitor<Argument, Result> visitor, final Argument argument) {
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return visitor.visit(this, argument);
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}
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}
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