svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.spi / src / main / java / org / gvsig / fmap / dal / feature / spi / LocalTransaction.java @ 47606
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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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package org.gvsig.fmap.dal.feature.spi; |
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import org.apache.commons.lang3.ArrayUtils; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataServerExplorer; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.DataTransaction; |
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import org.gvsig.fmap.dal.SupportTransactions; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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*
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* @author fdiaz
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*/
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public class LocalTransaction { |
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protected static final Logger LOGGER = LoggerFactory.getLogger(LocalTransaction.class); |
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boolean local;
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DataTransaction trans; |
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DataManager dataManager; |
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public LocalTransaction(DataManager dataManager, DataTransaction... transaction) {
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this.dataManager = dataManager;
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if(this.dataManager == null){ |
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this.dataManager = DALLocator.getDataManager();
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} |
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if(transaction == null) { |
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this.trans = null; |
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} else if (ArrayUtils.isEmpty(transaction)){ |
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this.trans = null; |
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} else {
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DataTransaction t = null;
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for (DataTransaction current : transaction) {
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if(current != null) { |
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if(t == null){ |
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t = current; |
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continue;
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} |
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if(current != t) {
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throw new IllegalArgumentException("Transactions conflict."); |
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} |
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} |
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} |
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this.trans = t;
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} |
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this.local = false; |
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} |
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public void add(DataStore store) throws DataException { |
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if (trans == null) { |
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trans = this.dataManager.createTransaction();
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this.local = true; |
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} |
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this.trans.add(store, false); |
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} |
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public void add(DataServerExplorer explorer) throws DataException { |
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if (trans == null) { |
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trans = this.dataManager.createTransaction();
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this.local = true; |
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} |
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this.trans.add(explorer, false); |
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} |
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public void add(Object obj) throws DataException { |
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if(obj == null){ |
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return;
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} |
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if(obj instanceof DataStore){ |
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this.add((DataStore)obj);
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return;
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} |
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if(obj instanceof DataServerExplorer){ |
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this.add((DataServerExplorer)obj);
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return;
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} |
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if(obj instanceof SupportTransactions){ |
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this.add((SupportTransactions)obj);
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return;
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} |
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throw new IllegalArgumentException("Can't add "+obj.getClass().getName()); |
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} |
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private void add(SupportTransactions obj) throws DataException { |
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if (trans == null) { |
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trans = this.dataManager.createTransaction();
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this.local = true; |
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} |
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this.trans.add(obj, false); |
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} |
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public void begin() throws DataException { |
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if (trans == null) { |
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trans = this.dataManager.createTransaction();
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this.local = true; |
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} |
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if (!this.trans.isInProgress()) { |
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trans.begin(); |
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} |
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} |
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public void commit() throws DataException { |
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if (this.local) { |
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trans.commit(); |
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} |
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} |
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public void close() throws Exception { |
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if (this.local) { |
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trans.close(); |
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} |
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} |
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public void closeQuietly() { |
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if (this.local) { |
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try {
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trans.close(); |
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} catch (Exception ex) { |
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LOGGER.debug("", ex);
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} |
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} |
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} |
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public void abortQuietly() { |
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if (this.local) { |
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try {
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trans.rollback(); |
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trans.close(); |
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} catch (Exception ex) { |
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LOGGER.debug("", ex);
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} |
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} |
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} |
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} |