CQLAndNode.java

package org.z3950.zing.cql;

/**
 * Represents an AND node in a CQL parse-tree.
 *
 */
public class CQLAndNode extends CQLBooleanNode {
    /**
     * Creates a new AND node with the specified left- and right-hand
     * sides and modifiers.
     *
     * @param left  the left-hand side of the AND
     * @param right the right-hand side of the AND
     * @param ms    the modifiers to apply to this AND
     * @see ModifierSet
     * @see CQLNode
     * @see CQLBoolean
     * @see CQLBooleanNode
     */
    public CQLAndNode(CQLNode left, CQLNode right, ModifierSet ms) {
        super(left, right, ms, CQLBoolean.AND);
    }

    // ### Too much code duplication here with OR and NOT
    @Override
    byte[] opType1() {
        byte[] op = new byte[5];
        putTag(CONTEXT, 46, CONSTRUCTED, op, 0); // Operator
        putLen(2, op, 2);
        putTag(CONTEXT, 0, PRIMITIVE, op, 3); // and
        putLen(0, op, 4);
        return op;
    }
}