PropertyOptionsSource.java

/*
 * RHQ Management Platform
 * Copyright (C) 2005-2013 Red Hat, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
package org.rhq.core.domain.configuration.definition;

import static org.rhq.core.domain.configuration.definition.PropertyOptionsSource.ExpressionScope.UNLIMITED;

import java.io.Serializable;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.SequenceGenerator;
import javax.persistence.Table;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;

/**
 * Defines a source for property options
 * @author Heiko W. Rupp
 */
@Entity
@Table(name="RHQ_CONFIG_PD_OSRC")
@SequenceGenerator(allocationSize = org.rhq.core.domain.util.Constants.ALLOCATION_SIZE, name = "RHQ_CONFIG_PD_OSRC_ID_SEQ", sequenceName = "RHQ_CONFIG_PD_OSRC_ID_SEQ")
@XmlAccessorType(XmlAccessType.FIELD)
public class PropertyOptionsSource implements Serializable{

    @Id
    @GeneratedValue(generator = "RHQ_CONFIG_PD_OSRC_ID_SEQ", strategy = GenerationType.AUTO)
    private int id;

    @Column(name="LINK_TO_TARGET")
    private boolean linkToTarget;

    private String filter;

    @Column(name="EXPRESSION_SCOPE")
    @Enumerated(EnumType.STRING)
    private ExpressionScope expressionScope;

    private String expression;

    @Column(name="TARGET_TYPE")
    @Enumerated(EnumType.STRING)
    private TargetType targetType;

    @ManyToOne
    @JoinColumn(name="PROPERTY_DEF_ID" )
    PropertyDefinitionSimple propertyDefinition;

    public PropertyOptionsSource() {
        expressionScope = UNLIMITED;
    }

    public void setTarget(String target) {
        targetType = TargetType.fromValue(target);
    }

    public void setLinkToTarget(boolean linkToTarget) {
        this.linkToTarget = linkToTarget;
    }

    public void setFilter(String filter) {
        this.filter = filter;
    }

    public void setExpression(String expression) {
        this.expression = expression;
    }

    public void setExpressionScope(ExpressionScope expressionScope) {
        this.expressionScope = expressionScope;
    }

    public boolean isLinkToTarget() {
        return linkToTarget;
    }

    public String getFilter() {
        return filter;
    }

    public String getExpression() {
        return expression;
    }

    public ExpressionScope getExpressionScope() {
        return expressionScope;
    }

    public TargetType getTargetType() {
        return targetType;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public enum TargetType {
        GROUP("group"),
        PLUGIN("plugin"),
        RESOURCE_TYPE("resourceType"),
        RESOURCE("resource"),
        CONFIGURATION("configuration");

        private final String value;

        TargetType(String v) {
            value = v;
        }

        public String value() {
            return value;
        }

        public static TargetType fromValue(String v) {
            for (TargetType c: TargetType.values()) {
                if (c.value.equals(v)) {
                    return c;
                }
            }
            return valueOf(v);
        }
    }

    public enum ExpressionScope {
        UNLIMITED("unlimited"), //
        BASE_RESOURCE("baseResource");

        private final String value;

        ExpressionScope(String v) {
            value = v;
        }

        public String value() {
            return value;
        }

        public static ExpressionScope fromValue(String v) {
            for (ExpressionScope f : ExpressionScope.values()) {
                if (f.value.equals(v)) {
                    return f;
                }
            }
            return valueOf(v);
        }
    }
}