io.edurt.datacap.parser.tree.BooleanLiteral Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of datacap-parser-trino Show documentation

DataCap - Parser for trino

The newest version!

package io.edurt.datacap.parser.tree;

import com.google.common.base.Preconditions;
import io.edurt.datacap.parser.ast.AstVisitor;
import io.edurt.datacap.parser.node.Node;
import io.edurt.datacap.parser.node.NodeLocation;

import java.util.Objects;
import java.util.Optional;

import static java.util.Locale.ENGLISH;
import static java.util.Objects.requireNonNull;

public class BooleanLiteral
        extends Literal
{
    public static final BooleanLiteral TRUE_LITERAL = new BooleanLiteral(Optional.empty(), "true");
    public static final BooleanLiteral FALSE_LITERAL = new BooleanLiteral(Optional.empty(), "false");

    private final boolean value;

    public BooleanLiteral(String value)
    {
        this(Optional.empty(), value);
    }

    public BooleanLiteral(NodeLocation location, String value)
    {
        this(Optional.of(location), value);
    }

    private BooleanLiteral(Optional location, String value)
    {
        super(location);
        requireNonNull(value, "value is null");
        Preconditions.checkArgument(value.toLowerCase(ENGLISH).equals("true") || value.toLowerCase(ENGLISH).equals("false"));

        this.value = value.toLowerCase(ENGLISH).equals("true");
    }

    public boolean getValue()
    {
        return value;
    }

    @Override
    public  R accept(AstVisitor visitor, C context)
    {
        return visitor.visitBooleanLiteral(this, context);
    }

    @Override
    public int hashCode()
    {
        return Objects.hash(value);
    }

    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        BooleanLiteral other = (BooleanLiteral) obj;
        return Objects.equals(this.value, other.value);
    }

    @Override
    public boolean shallowEquals(Node other)
    {
        if (!sameClass(this, other)) {
            return false;
        }
        return value == ((BooleanLiteral) other).value;
    }
}