identity/log/QueryElement.java

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster/**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * Copyright (c) 2006 Sun Microsystems Inc. All Rights Reserved
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * The contents of this file are subject to the terms
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * of the Common Development and Distribution License
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * (the License). You may not use this file except in
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * compliance with the License.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * You can obtain a copy of the License at
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * https://opensso.dev.java.net/public/CDDLv1.0.html or
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * opensso/legal/CDDLv1.0.txt
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * See the License for the specific language governing
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * permission and limitations under the License.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * When distributing Covered Code, include this CDDL
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * Header Notice in each file and include the License file
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * at opensso/legal/CDDLv1.0.txt.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * If applicable, add the following below the CDDL Header,
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * with the fields enclosed by brackets [] replaced by
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * your own identifying information:
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * "Portions Copyrighted [year] [name of copyright owner]"
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * $Id: QueryElement.java,v 1.3 2008/06/25 05:43:35 qcheng Exp $
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterpackage com.sun.identity.log;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster/**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * This class defines each individual query format.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * It stores field name, value and relationship between them.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * Currently it supports Equal, Not Equal, Greater Than, Lesser Than,
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * Greater Than Or Equal and Lesser Than Or Equal relationships.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster * @supported.all.api
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterpublic class QueryElement {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Invalid Relationship.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public static final int NV = 0;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * minimum relationship. set to "smallest";
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * "GT" in this case.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    private static final int MIN_REL = 1;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Greater Than Relationship.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public static final int GT = 1;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Lesser Than Relationship.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public static final int LT = 2;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Equal Relationship.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public static final int EQ = 3;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Not Equal Relationship.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public static final int NE = 4;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Greater Than or Equal Relationship.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public static final int GE = 5;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Lesser Than or Equal Relationship.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public static final int LE = 6;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Contains Relationship.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public static final int CN = 7;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Starts With Relationship.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public static final int SW = 8;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Ends With Relationship.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public static final int EW = 9;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * maximum relationship. set to "largest",
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * "EW" in this case
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    private static final int MAX_REL = 9;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /* private fields of the class */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    private String fieldName;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    private String fieldValue;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    private int relation;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**Constructor.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * @param fld name of the field to be set.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * @param val value of the field to be set.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * @param rel relation between field and value to be checked.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     **/
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public QueryElement(String fld, String val, int rel)
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    throws IllegalArgumentException {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        this.fieldName = fld;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        this.fieldValue = val;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        if ((rel >= QueryElement.MIN_REL) && (rel <= QueryElement.MAX_REL)) {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster            this.relation = rel;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        } else {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster            throw new IllegalArgumentException(
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster            "rel param should be >= QueryElement.GT and <= QueryElement.EW");
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        }
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    }
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**Default constructor.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Allocates memory for respective items.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * All the fields to be set before use.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public QueryElement() {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        this.fieldName = new String();
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        this.fieldValue = new String();
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        this.relation = QueryElement.EQ;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    }
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Returns the field name on which query to be applied
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * @return field name present in this query element.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public String getFieldName() {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        return (fieldName);
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    }
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Returns the value of the field to be compared as stored in the query
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * element.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * @return value the field to be queried.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public String getFieldValue() {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        return (fieldValue);
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    }
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Returns relation to be applied in between field and value
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * as stored in the query element.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * @return relation the relation between the field and value
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     *         to be checked.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public int getRelation() {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        return (relation);
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    }
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Sets the field name for this query element.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * @param field field or column name of the log record
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public void setFieldName(String field) {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        this.fieldName = field;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    }
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * Sets the value for the field name in this query element.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * @param value field or column value of the log record
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public void setFieldValue(String value) {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        this.fieldValue = value;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    }
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    /**
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * This method modifies/sets the relation between the field
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * name and value in this query element.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     *
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * @param value relation between field and value to be matched.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     * @throws IllegalArgumentException if relation is invalid.
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster     */
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    public void setRelation(int value)
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    throws IllegalArgumentException {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        if ((value >= QueryElement.MIN_REL) && (value <= QueryElement.MAX_REL))
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster            this.relation = value;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        } else {
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster            throw new IllegalArgumentException(
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster                "value should be >= QueryElement.GT and <= QueryElement.EW");
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        }
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster        this.relation = value;
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster    }
8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}