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package org.mule.transaction; |
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import org.mule.api.transaction.TransactionException; |
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import org.mule.config.i18n.CoreMessages; |
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import edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicBoolean; |
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22 | 0 | public abstract class AbstractSingleResourceTransaction extends AbstractTransaction |
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{ |
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protected volatile Object key; |
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protected volatile Object resource; |
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28 | 0 | protected final AtomicBoolean started = new AtomicBoolean(false); |
29 | 0 | protected final AtomicBoolean committed = new AtomicBoolean(false); |
30 | 0 | protected final AtomicBoolean rolledBack = new AtomicBoolean(false); |
31 | 0 | protected final AtomicBoolean rollbackOnly = new AtomicBoolean(false); |
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public void begin() throws TransactionException |
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{ |
35 | 0 | super.begin(); |
36 | 0 | started.compareAndSet(false, true); |
37 | 0 | } |
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public void commit() throws TransactionException |
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{ |
41 | 0 | super.commit(); |
42 | 0 | committed.compareAndSet(false, true); |
43 | 0 | } |
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public void rollback() throws TransactionException |
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{ |
47 | 0 | super.rollback(); |
48 | 0 | rolledBack.compareAndSet(false, true); |
49 | 0 | } |
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public int getStatus() throws TransactionStatusException |
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{ |
53 | 0 | if (rolledBack.get()) |
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{ |
55 | 0 | return STATUS_ROLLEDBACK; |
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} |
57 | 0 | if (committed.get()) |
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{ |
59 | 0 | return STATUS_COMMITTED; |
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} |
61 | 0 | if (rollbackOnly.get()) |
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{ |
63 | 0 | return STATUS_MARKED_ROLLBACK; |
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} |
65 | 0 | if (started.get()) |
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{ |
67 | 0 | return STATUS_ACTIVE; |
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} |
69 | 0 | return STATUS_NO_TRANSACTION; |
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} |
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public Object getResource(Object key) |
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{ |
74 | 0 | return key != null && this.key == key ? this.resource : null; |
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} |
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public boolean hasResource(Object key) |
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{ |
79 | 0 | return key != null && this.key == key; |
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} |
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public void bindResource(Object key, Object resource) throws TransactionException |
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{ |
84 | 0 | if (key == null) |
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{ |
86 | 0 | throw new IllegalTransactionStateException(CoreMessages.transactionCannotBindToNullKey()); |
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} |
88 | 0 | if (resource == null) |
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{ |
90 | 0 | throw new IllegalTransactionStateException(CoreMessages.transactionCannotBindNullResource()); |
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} |
92 | 0 | if (this.key != null) |
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{ |
94 | 0 | throw new IllegalTransactionStateException(CoreMessages.transactionSingleResourceOnly()); |
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} |
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97 | 0 | if (logger.isDebugEnabled()) |
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{ |
99 | 0 | logger.debug("Binding " + resource + " to " + key); |
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} |
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102 | 0 | this.key = key; |
103 | 0 | this.resource = resource; |
104 | 0 | } |
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public void setRollbackOnly() |
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{ |
108 | 0 | rollbackOnly.set(true); |
109 | 0 | } |
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public Object getId() |
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{ |
113 | 0 | return key; |
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} |
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} |