ASTCurrentTimestamp.java example

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package org.apache.cayenne.exp.parser;

import java.io.IOException;
import java.util.Date;

import org.apache.cayenne.exp.Expression;

/**
 * @since 4.0
 */
public class ASTCurrentTimestamp extends ASTFunctionCall {

    public ASTCurrentTimestamp() {
        this(ExpressionParserTreeConstants.JJTCURRENTTIMESTAMP);
    }

    ASTCurrentTimestamp(int id) {
        super(id, "CURRENT_TIMESTAMP");
    }

    @Override
    public boolean needParenthesis() {
        return false;
    }

    @Override
    protected int getRequiredChildrenCount() {
        return 0;
    }

    @Override
    protected Object evaluateSubNode(Object o, Object[] evaluatedChildren) throws Exception {
        return new Date();
    }

    @Override
    public Expression shallowCopy() {
        return new ASTCurrentTimestamp(id);
    }
}