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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
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package oracle.toplink.essentials.internal.databaseaccess;

import java.sql.*;
import oracle.toplink.essentials.internal.helper.*;
import oracle.toplink.essentials.internal.sessions.AbstractSession;

public class OutputParameterForCallableStatement extends BindCallCustomParameter {
    // this attribute is provided by the caller
    protected boolean isCursor;

    // these attributes are generated by prepare method
    protected int jdbcType;
    protected String typeName;
    protected boolean isTypeNameRequired;

    public OutputParameterForCallableStatement(DatabaseField field) {
        super(field);
    }

    public OutputParameterForCallableStatement(DatabaseField field, DatabasePlatform platform) {
        this(field, platform, false);
    }

    public OutputParameterForCallableStatement(DatabaseField field, DatabasePlatform platform, boolean isCursor) {
        this(field);
        this.isCursor = isCursor;
        prepare(platform);
    }

    public OutputParameterForCallableStatement(OutputParameterForCallableStatement outParameter) {
        super(outParameter.obj);
        this.isCursor = outParameter.isCursor;
        this.jdbcType = outParameter.jdbcType;
        this.typeName = outParameter.typeName;
        this.isTypeNameRequired = outParameter.isTypeNameRequired;
    }

    protected OutputParameterForCallableStatement() {
    }

    public void setIsCursor(boolean isCursor) {
        this.isCursor = isCursor;
    }

    // make sure to call prepare() method after this
    public boolean isCursor() {
        return isCursor;
    }

    public boolean isTypeNameRequired() {
        return isTypeNameRequired;
    }

    public int getJdbcType() {
        return jdbcType;
    }

    public String getTypeName() {
        return typeName;
    }

    public DatabaseField getOutputField() {
        return (DatabaseField)obj;
    }

    public void prepare(DatabasePlatform platform) {
        if (isCursor()) {
            jdbcType = platform.getCursorCode();// Oracle code for cursors
        } else {
            jdbcType = platform.getJDBCType(getOutputField());
            isTypeNameRequired = platform.requiresTypeNameToRegisterOutputParameter();
            if (isTypeNameRequired) {
                typeName = platform.getJdbcTypeName(jdbcType);
            }
        }
    }

    public void set(DatabasePlatform platform, PreparedStatement statement, int index, AbstractSession session) throws SQLException {
        if (isTypeNameRequired) {
            ((CallableStatement)statement).registerOutParameter(index, jdbcType, typeName);
        } else {
            ((CallableStatement)statement).registerOutParameter(index, jdbcType);
        }
    }

    public String toString() {
        return "=> " + getOutputField().getName();
    }
}




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