org.glassfish.connectors.config.validators.ConnectionPoolValidator Maven / Gradle / Ivy
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// Portions Copyright [2019] [Payara Foundation and/or its affiliates]
package org.glassfish.connectors.config.validators;
import org.glassfish.connectors.config.ConnectorConnectionPool;
import com.sun.enterprise.config.serverbeans.ResourcePool;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import org.glassfish.config.support.Constants;
/**
* Implementation for Connection Pool validation.
* Following validations are done:
*
* - Validation of datasource/driver classnames when resource type is not null
*
- Max pool size to be always higher than steady pool size
*
- Check if statement wrapping is on when certain features are enabled.
*
*
* @author Shalini M
*/
public class ConnectionPoolValidator implements ConstraintValidator {
protected ConnectionPoolErrorMessages poolFaults;
@Override
public void initialize(final ConnectionPoolConstraint constraint) {
this.poolFaults = constraint.value();
}
@Override
public boolean isValid(final ResourcePool pool, final ConstraintValidatorContext constraintValidatorContext) {
if (!ConnectorConnectionPool.class.isInstance(pool)) {
return true;
}
final ConnectorConnectionPool connPool = (ConnectorConnectionPool) pool;
if (poolFaults == ConnectionPoolErrorMessages.POOL_SIZE_STEADY) {
return getSteadyPoolSize(connPool) >= 0;
} else if (poolFaults == ConnectionPoolErrorMessages.POOL_SIZE_MAX) {
final int steadyPoolSize = getSteadyPoolSize(connPool);
final int maxPoolSize = getMaxPoolSize(connPool);
return maxPoolSize > 0 && maxPoolSize >= steadyPoolSize;
}
return true;
}
private int getSteadyPoolSize(ConnectorConnectionPool pool) {
return toInt(pool.getSteadyPoolSize(), Constants.DEFAULT_STEADY_POOL_SIZE);
}
private int getMaxPoolSize(final ConnectorConnectionPool pool) {
return toInt(pool.getMaxPoolSize(), Constants.DEFAULT_MAX_POOL_SIZE);
}
private int toInt(final String valueToParse, final String defaultValue) {
if (valueToParse == null) {
return Integer.parseInt(defaultValue);
}
return Integer.parseInt(valueToParse);
}
}