com.pivotal.gemfirexd.internal.client.am.Configuration Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of snappydata-store-client Show documentation
Show all versions of snappydata-store-client Show documentation
SnappyData store based off Pivotal GemFireXD
/*
Derby - Class com.pivotal.gemfirexd.internal.client.am.Configuration
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/*
* Changes for GemFireXD distributed data platform (some marked by "GemStone changes")
*
* Portions Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License. See accompanying
* LICENSE file.
*/
package com.pivotal.gemfirexd.internal.client.am;
import java.io.IOException;
import java.io.InputStream;
import java.security.AccessController;
import java.security.PrivilegedExceptionAction;
import com.gemstone.gemfire.internal.shared.ClientSharedUtils;
import com.pivotal.gemfirexd.Attribute;
import com.pivotal.gemfirexd.internal.iapi.services.info.JVMInfo;
import com.pivotal.gemfirexd.internal.iapi.services.info.ProductGenusNames;
import com.pivotal.gemfirexd.internal.iapi.services.info.ProductVersionHolder;
import com.pivotal.gemfirexd.internal.shared.common.reference.SQLState;
public class Configuration {
public static int traceFileSuffixIndex__ = 0;
public static int traceLevel__ = com.pivotal.gemfirexd.internal.jdbc.ClientBaseDataSource.TRACE_ALL;
public static String traceFile__ = null;
public static String traceDirectory__ = null;
public static boolean traceFileAppend__ = false;
public static String jreLevel = "1.3.0"; // default level if unable to read
public static int jreLevelMajor = 1;
public static int jreLevelMinor = 3;
private Configuration() {
}
public static boolean traceSuspended__;
public static boolean[] enableConnectivityToTargetServer__;
public static boolean jvmSupportsMicrosClock__ = false;
// -------------------------- versioning -------------------------------------
public static ProductVersionHolder dncProductVersionHolder__;
public static ProductVersionHolder getProductVersionHolder() {
return dncProductVersionHolder__;
}
// for DatabaseMetaData.getDriverName()
public final static String dncDriverName = "GemFireXD Network Client JDBC Driver";
// Hard-wired for JDBC
//
// Currently ASCII hex value of "SYSLVL01".
public final static byte[] dncPackageConsistencyToken =
{0x53, 0x59, 0x53, 0x4c, 0x56, 0x4c, 0x30, 0x31};
// We will not set packagge VERSION in the initial release.
// If we have to change the package version in the future then we can.
public static String dncPackageVersion = null;
// for Driver.jdbcCompliant()
public final static boolean jdbcCompliant = true;
// for Driver.getCompatibileJREVersions()
public final static String[] dncCompatibleJREVersions = new String[]{"1.3", "1.4"};
//---------------------- database URL protocols ------------------------------
// For DatabaseMetaData.getURL()
// GemStone changes BEGIN
public static String jdbcDerbyNETProtocol() {
return ClientSharedUtils.isThriftDefault()
? com.pivotal.gemfirexd.Attribute.DRDA_PROTOCOL
: com.pivotal.gemfirexd.Attribute.DNC_PROTOCOL;
}
public static String jdbcSnappyNETProtocol() {
return ClientSharedUtils.isThriftDefault()
? Attribute.SNAPPY_DRDA_PROTOCOL
: Attribute.SNAPPY_DNC_PROTOCOL;
}
/* (original code)
public final static String jdbcDerbyNETProtocol = "jdbc:derby://";
*/
// GemStone changes END
// -------------------------- metrics ----------------------
// Not currently used by production builds.
// We can't really use this stuff with tracing enabled, the results are not accurate.
// -------------------------- compiled in properties -------------------------
public final static boolean enableNetConnectionPooling = true;
final static boolean rangeCheckCrossConverters = true;
// Define different levels of bug checking, for now turn all bits on.
final static int bugCheckLevel = 0xff;
// --------------------------- connection defaults ---------------------------
// This is the DERBY default and maps to DERBY's "Cursor Stability".
// GemStone changes BEGIN
// for GemFireXD no TX is the default
public final static int defaultIsolation = java.sql.Connection.TRANSACTION_NONE;
/* (original code)
public final static int defaultIsolation = java.sql.Connection.TRANSACTION_READ_COMMITTED;
*/
// GemStone changes END
// ---------------------------- statement defaults----------------------------
public static final int defaultFetchSize = 64;
// Prepare attribute constants
public static final String cursorAttribute_SensitiveStatic = "SENSITIVE STATIC SCROLL ";
public static final String cursorAttribute_SensitiveStaticRowset = cursorAttribute_SensitiveStatic;
public static final String cursorAttribute_SensitiveDynamic = "SENSITIVE DYNAMIC SCROLL ";
public static final String cursorAttribute_SensitiveDynamicRowset = "SENSITIVE DYNAMIC SCROLL WITH ROWSET POSITIONING ";
public static final String cursorAttribute_Insensitive = "INSENSITIVE SCROLL ";
public static final String cursorAttribute_InsensitiveRowset = cursorAttribute_Insensitive;
// uncomment the following when we want to use multi-row fetch to support sensitive static and
// insensitve cursors whenever the server has support for it.
//public static final String cursorAttribute_SensitiveStaticRowset = "SENSITIVE STATIC SCROLL WITH ROWSET POSITIONING ";
//public static final String cursorAttribute_InsensitiveRowset = "INSENSITIVE SCROLL WITH ROWSET POSITIONING ";
public static final String cursorAttribute_ForUpdate = "FOR UPDATE ";
public static final String cursorAttribute_ForReadOnly = "FOR READ ONLY ";
public static final String cursorAttribute_WithHold = "WITH HOLD ";
// -----------------------Load resource bundles for the driver asap-----------
private static final String packageNameForDNC = "com.pivotal.gemfirexd.internal.client";
public static SqlException exceptionsOnLoadResources = null; // used by ClientDriver to accumulate load exceptions
static {
try {
loadProductVersionHolder();
} catch (SqlException e) {
exceptionsOnLoadResources = e;
}
try {
jreLevel = System.getProperty("java.version");
} catch (SecurityException e) {
} // ignore it, assume 1.3.0
java.util.StringTokenizer st = new java.util.StringTokenizer(jreLevel, ".");
int jreState = 0;
while (st.hasMoreTokens()) {
int i;
try {
i = java.lang.Integer.parseInt(st.nextToken()); // get int value
} catch (NumberFormatException e) {
i = 0;
}
switch (jreState++) {
case 0:
jreLevelMajor = i; // state 0, this is the major version
break;
case 1:
jreLevelMinor = i; // state 1, this is the minor version
break;
default:
break; // state >1, ignore
}
}
}
/**
* load product version information and accumulate exceptions
*/
private static void loadProductVersionHolder() throws SqlException {
try {
dncProductVersionHolder__ = buildProductVersionHolder();
} catch (java.security.PrivilegedActionException e) {
throw new SqlException(null,
new ClientMessageId (SQLState.ERROR_PRIVILEGED_ACTION),
e.getException());
} catch (java.io.IOException ioe) {
throw SqlException.javaException(null, ioe);
}
}
// Create ProductVersionHolder in security block for Java 2 security.
private static ProductVersionHolder buildProductVersionHolder() throws
java.security.PrivilegedActionException, IOException {
ProductVersionHolder myPVH = null;
myPVH = (ProductVersionHolder)
AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws IOException {
InputStream versionStream = getClass().getResourceAsStream(ProductGenusNames.DNC_INFO);
return ProductVersionHolder.getProductVersionHolderFromMyEnv(versionStream);
}
});
return myPVH;
}
/**
* Check to see if the jvm version is such that JDBC 4.0 is supported
*/
public static boolean supportsJDBC40() {
if (JVMInfo.JDK_ID >= JVMInfo.J2SE_16) {
return true;
}
return false;
}
}