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/*
 * Bitronix Transaction Manager
 *
 * Copyright (c) 2010, Bitronix Software.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA 02110-1301 USA
 */
package bitronix.tm.resource.common;

import java.io.Serializable;
import java.util.Properties;

/**
 * Abstract javabean container for all common properties of a {@link bitronix.tm.resource.common.XAResourceProducer} as configured in the
 * resources configuration file.
 *
 * @author lorban
 */
public abstract class ResourceBean implements Serializable {

    private volatile String className;
    private volatile String uniqueName;
    private volatile boolean automaticEnlistingEnabled = true;
    private volatile boolean useTmJoin = true;
    private volatile Properties driverProperties = new Properties();
    private volatile int maxPoolSize = 0;
    private volatile int minPoolSize = 0;
    private volatile int maxIdleTime = 60;
    private volatile int acquireIncrement = 1;
    private volatile int acquisitionTimeout = 30;
    private volatile boolean deferConnectionRelease = true;
    private volatile int acquisitionInterval = 1;
    private volatile boolean allowLocalTransactions = false;
    private volatile int twoPcOrderingPosition = 1;
    private volatile boolean applyTransactionTimeout = false;
    private volatile boolean shareTransactionConnections = false;
    private volatile boolean disabled = false;
    private volatile boolean ignoreRecoveryFailures = false;

    private volatile transient int createdResourcesCounter;

    /**
     * Initialize all properties with their default values.
     */
    protected ResourceBean() {
    }

    /**
     * @return the underlying implementation class name.
     */
    public String getClassName() {
        return className;
    }

    /**
     * Specify the underlying implementation class name of the XA resource described by this bean.
     * @param className the underlying implementation class name.
     */
    public void setClassName(String className) {
        this.className = className;
    }

    /**
     * @return the resource's unique name.
     */
    public String getUniqueName() {
        return uniqueName;
    }

    /**
     * Specify the resource unique name to be used to identify this resource during recovery. This name will be
     * registered in the transactions journal so once assigned it must never be changed.
     * @param uniqueName the resource's unique name.
     */
    public void setUniqueName(String uniqueName) {
        this.uniqueName = uniqueName;
    }

    /**
     * @return true if the the XA resource wrapper should enlist/delist this resource automatically in global
     * transactions.
     */
    public boolean getAutomaticEnlistingEnabled() {
        return automaticEnlistingEnabled;
    }

    /**
     * Specify if the XA resource wrapper should enlist/delist this resource automatically in global transactions.
     * When set to false, you have to enlist resources yourself with {@link javax.transaction.Transaction#enlistResource(javax.transaction.xa.XAResource)} and delist them
     * {@link javax.transaction.Transaction#delistResource(javax.transaction.xa.XAResource, int)}.
     * @param automaticEnlistingEnabled true if the the XA resource wrapper should enlist/delist this resource automatically in global
     * transactions.
     */
    public void setAutomaticEnlistingEnabled(boolean automaticEnlistingEnabled) {
        this.automaticEnlistingEnabled = automaticEnlistingEnabled;
    }

    /**
     * @return true if transaction branches joining should be used.
     */
    public boolean getUseTmJoin() {
        return useTmJoin;
    }

    /**
     * Specify if the transaction manager should try to join resources by calling
     * {@link javax.transaction.xa.XAResource#start(javax.transaction.xa.Xid, int)} with
     * {@link javax.transaction.xa.XAResource#TMJOIN}. The transaction manager checks if two branches can be joined by
     * calling {@link javax.transaction.xa.XAResource#isSameRM(javax.transaction.xa.XAResource)}.
     * It should only be set to true if the underlying implementation supports resource joining.
     * @param useTmJoin true if transaction branches joining should be used.
     */
    public void setUseTmJoin(boolean useTmJoin) {
        this.useTmJoin = useTmJoin;
    }

    /**
     * @return the properties that should be set on the underlying implementation.
     */
    public Properties getDriverProperties() {
        return driverProperties;
    }

    /**
     * Set the properties that should be set on the underlying implementation.
     * @param driverProperties the properties that should be set on the underlying implementation.
     */
    public void setDriverProperties(Properties driverProperties) {
        this.driverProperties = driverProperties;
    }

    /**
     * @return the maximum amount of connections that can be in the pool.
     */
    public int getMaxPoolSize() {
        return maxPoolSize;
    }

    /**
     * Define the maximum amount of connections that can be in the pool.
     * @param maxPoolSize the maximum amount of connections that can be in the pool.
     */
    public void setMaxPoolSize(int maxPoolSize) {
        this.maxPoolSize = maxPoolSize;
    }

    /**
     * @return the minimal amount of connections that can be in the pool.
     */
    public int getMinPoolSize() {
        return minPoolSize;
    }

    /**
     * Define the minimal amount of connections that can be in the pool.
     * @param minPoolSize the maximum amount of connections that can be in the pool.
     */
    public void setMinPoolSize(int minPoolSize) {
        this.minPoolSize = minPoolSize;
    }

    /**
     * @return the amount of seconds and idle connection can stay in the pool before getting closed.
     */
    public int getMaxIdleTime() {
        return maxIdleTime;
    }

    /**
     * Define the amount of seconds and idle connection can stay in the pool before getting closed.
     * @param maxIdleTime the amount of seconds and idle connection can stay in the pool before getting closed.
     */
    public void setMaxIdleTime(int maxIdleTime) {
        this.maxIdleTime = maxIdleTime;
    }

    /**
     * @return the amount of connections to be created at once when the pool needs to grow.
     */
    public int getAcquireIncrement() {
        return acquireIncrement;
    }

    /**
     * Define the amount of connections to be created at once when the pool needs to grow.
     * @param acquireIncrement the amount of connections to be created at once when the pool needs to grow.
     */
    public void setAcquireIncrement(int acquireIncrement) {
        this.acquireIncrement = acquireIncrement;
    }

    /**
     * @return the amount of time in seconds a call to get a connection from the pool will wait when the pool is empty.
     */
    public int getAcquisitionTimeout() {
        return acquisitionTimeout;
    }

    /**
     * Define the amount of time in seconds a call to get a connection from the pool will wait when the pool is empty.
     * @param acquisitionTimeout the amount of time in seconds.
     */
    public void setAcquisitionTimeout(int acquisitionTimeout) {
        this.acquisitionTimeout = acquisitionTimeout;
    }

    /**
     * @return false only if the database can run many transactions on the same connection.
     */
    public boolean getDeferConnectionRelease() {
        return deferConnectionRelease;
    }

    /**
     * Define the transaction interleaving capability of the database.
     * Should be true only if the database can run many transactions on the same connection.
     * @param deferConnectionRelease false only if the database can run many transactions on the same connection.
     */
    public void setDeferConnectionRelease(boolean deferConnectionRelease) {
        this.deferConnectionRelease = deferConnectionRelease;
    }

    /**
     * @return the amount of time between failed connection acquirements.
     */
    public int getAcquisitionInterval() {
        return acquisitionInterval;
    }

    /**
     * Set the amount of time in seconds the pool will wait before trying to acquire a connection again after an
     * invalid connection has been attempted to be acquired.
     * @param acquisitionInterval amount of time in seconds.
     */
    public void setAcquisitionInterval(int acquisitionInterval) {
        this.acquisitionInterval = acquisitionInterval;
    }

    /**
     * @return true if the transaction manager should allow mixing XA and non-XA transactions.
     */
    public boolean getAllowLocalTransactions() {
        return allowLocalTransactions;
    }

    /**
     * Set if the transaction manager should allow mixing XA and non-XA transactions. If you know all your transactions
     * should be executed within global (ie: XA) scope it is a good idea to set this property to false.
     * @param allowLocalTransactions if the transaction manager should allow mixing XA and non-XA transactions.
     */
    public void setAllowLocalTransactions(boolean allowLocalTransactions) {
        this.allowLocalTransactions = allowLocalTransactions;
    }

    /**
     * @return the position at which this resource should stand during 2PC commit.
     */
    public int getTwoPcOrderingPosition() {
        return twoPcOrderingPosition;
    }

    /**
     * Set the position at which this resource should stand during 2PC commit.
     * @param twoPcOrderingPosition the position at which this resource should stand during 2PC commit.
     */
    public void setTwoPcOrderingPosition(int twoPcOrderingPosition) {
        this.twoPcOrderingPosition = twoPcOrderingPosition;
    }

    /**
     * @return true if the transaction-timeout should be set on the XAResource.
     */
    public boolean getApplyTransactionTimeout() {
        return applyTransactionTimeout;
    }

    /**
     * Set if the transaction-timeout should be set on the XAResource when the XAResource is
     * enlisted.
     * @param applyTransactionTimeout true if the transaction-timeout should be set.
     */
    public void setApplyTransactionTimeout(boolean applyTransactionTimeout) {
        this.applyTransactionTimeout = applyTransactionTimeout;
    }

    /**
     * Set whether connections in the ACCESSIBLE state can be shared within the context
     * of a transaction.
     * @param shareAccessibleConnections the shareAccessibleConnections to set.
     */
    public void setShareTransactionConnections(boolean shareAccessibleConnections) {
        this.shareTransactionConnections = shareAccessibleConnections;
    }

    /**
     * @return true if accessible connections can be shared.
     */
    public boolean getShareTransactionConnections() {
        return shareTransactionConnections;
    }

    /**
     * Set whether XA recovery errors should quarantine the resource or be ignored.
     * @param ignoreRecoveryFailures true if recovery errors should be ignored, false otherwise.
     */
    public void setIgnoreRecoveryFailures(boolean ignoreRecoveryFailures) {
        this.ignoreRecoveryFailures = ignoreRecoveryFailures;
    }

    /**
     * @return true if recovery errors should be ignored, false otherwise.
     */
    public boolean getIgnoreRecoveryFailures() {
        return ignoreRecoveryFailures;
    }

    /**
     * Set whether this resource is disabled, meaning it's temporarily forbidden to acquire
     * a connection from its pool.
     * @param disabled true to disable the resource, false to enable it.
     */
    public void setDisabled(boolean disabled) {
        this.disabled = disabled;
    }

    /**
     * @return true if the resource is disabled, false if it is enabled.
     */
    public boolean isDisabled() {
        return disabled;
    }

    /**
     * Increment a transient counter. This is used for assigning per-resource numbers to connections.
     * @return the current value of the counter.
     */
    public int incCreatedResourcesCounter() {
        return this.createdResourcesCounter++;
    }

}




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