/* * Copyright 2009-2016 Tilmann Zaeschke. All rights reserved. * * This file is part of ZooDB. * * ZooDB 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, either version 3 of the License, or * (at your option) any later version. * * ZooDB 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 ZooDB. If not, see <http://www.gnu.org/licenses/>. * * See the README and COPYING files for further information. */ package org.zoodb.schema; import java.util.Date; public interface ZooHandle { public abstract long getOid(); public abstract void setOid(long oid); public abstract byte getAttrByte(String attrName); public abstract boolean getAttrBool(String attrName); public abstract short getAttrShort(String attrName); public abstract int getAttrInt(String attrName); public abstract long getAttrLong(String attrName); public abstract char getAttrChar(String attrName); public abstract float getAttrFloat(String attrName); public abstract double getAttrDouble(String attrName); public abstract String getAttrString(String attrName); public abstract Date getAttrDate(String attrName); public abstract ZooHandle getAttrRefHandle(String attrName); public abstract long getAttrRefOid(String attrName); public abstract void remove(); public abstract ZooClass getType(); /** * * @return a java instance of the object. This will fail if the schema of the referenced * instance does not match the Java class in the current classpath or if there is no such * Java class. */ public abstract Object getJavaObject(); /** * * @param attrName * @return The value of the field or {@code null} if the field could not be found. */ public abstract Object getValue(String attrName); public abstract void setValue(String attrName, Object val); }