Package org.apache.cayenne.dba.oracle

Source Code of org.apache.cayenne.dba.oracle.OracleEJBQLConditionTranslator

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package org.apache.cayenne.dba.oracle;

import java.sql.Types;

import org.apache.cayenne.access.jdbc.EJBQLConditionTranslator;
import org.apache.cayenne.access.jdbc.EJBQLMultiColumnOperand;
import org.apache.cayenne.access.jdbc.EJBQLPathTranslator;
import org.apache.cayenne.access.jdbc.EJBQLTranslationContext;
import org.apache.cayenne.ejbql.EJBQLExpression;
import org.apache.cayenne.map.ObjAttribute;

/**
* @since 3.0
*/
class OracleEJBQLConditionTranslator extends EJBQLConditionTranslator {

    OracleEJBQLConditionTranslator(EJBQLTranslationContext context) {
        super(context);
    }

    @Override
    public boolean visitPath(EJBQLExpression expression, int finishedChildIndex) {

        expression.visit(new EJBQLPathTranslator(context) {

            @Override
            protected void appendMultiColumnPath(EJBQLMultiColumnOperand operand) {
                OracleEJBQLConditionTranslator.this.addMultiColumnOperand(operand);
            }

            @Override
            protected void processTerminatingAttribute(ObjAttribute attribute) {
                if (attribute.getDbAttribute().getType() == Types.CHAR) {
                    context.append(' ').append(OracleAdapter.TRIM_FUNCTION).append("(");
                    super.processTerminatingAttribute(attribute);
                    context.append(')');
                }
                else {
                    super.processTerminatingAttribute(attribute);
                }
            }
        });

        return false;
    }
}
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