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package org.apache.ojb.broker.locking; |
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import org.apache.ojb.broker.util.logging.LoggerFactory; |
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import org.apache.commons.lang.StringUtils; |
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public class LockHelper |
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{ |
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LockHelper() |
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{ |
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} |
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public static int getIsolationLevelFor(String isoLevel) |
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{ |
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if(isoLevel == null || StringUtils.isEmpty(isoLevel)) |
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{ |
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LoggerFactory.getDefaultLogger().debug( |
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"[LockHelper] Specified isolation level string is 'null', using the default isolation level"); |
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return IsolationLevels.IL_DEFAULT; |
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} |
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if (isoLevel.equalsIgnoreCase(IsolationLevels.LITERAL_IL_READ_UNCOMMITTED)) |
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{ |
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return IsolationLevels.IL_READ_UNCOMMITTED; |
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} |
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else if (isoLevel.equalsIgnoreCase(IsolationLevels.LITERAL_IL_READ_COMMITTED)) |
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{ |
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return IsolationLevels.IL_READ_COMMITTED; |
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} |
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else if (isoLevel.equalsIgnoreCase(IsolationLevels.LITERAL_IL_REPEATABLE_READ)) |
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{ |
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return IsolationLevels.IL_REPEATABLE_READ; |
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} |
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else if (isoLevel.equalsIgnoreCase(IsolationLevels.LITERAL_IL_SERIALIZABLE)) |
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{ |
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return IsolationLevels.IL_SERIALIZABLE; |
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} |
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else if (isoLevel.equalsIgnoreCase(IsolationLevels.LITERAL_IL_OPTIMISTIC)) |
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{ |
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return IsolationLevels.IL_OPTIMISTIC; |
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} |
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else if (isoLevel.equalsIgnoreCase(IsolationLevels.LITERAL_IL_NONE)) |
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{ |
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return IsolationLevels.IL_NONE; |
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} |
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LoggerFactory.getDefaultLogger().warn("[LockHelper] Unknown isolation-level '" + isoLevel + "', using default isolation level"); |
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return IsolationLevels.IL_DEFAULT; |
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} |
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} |