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Yasuhiro KIMURA
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<div class="aboutLanguage"><b>Berkeley DB</b><br><font size="-1"> version 18.1.40</font></div>
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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">com.sleepycat.db</a></div>
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<h2 title="Class LockOperation" class="title">Class LockOperation</h2>
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<li>java.lang.Object</li>
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<li>com.sleepycat.db.LockOperation</li>
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<pre>public final class <span class="typeNameLabel">LockOperation</span>
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extends java.lang.Object</pre>
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<div class="block">Operations that can be performed on locks.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colSecond" scope="col">Field</th>
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<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>static <a href="LockOperation.html" title="class in com.sleepycat.db">LockOperation</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#GET">GET</a></span></code></th>
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<td class="colLast">
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<div class="block">Get the lock defined by the values of the mode and obj fields, for
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the specified locker.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static <a href="LockOperation.html" title="class in com.sleepycat.db">LockOperation</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#GET_TIMEOUT">GET_TIMEOUT</a></span></code></th>
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<td class="colLast">
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<div class="block">Identical to LockOperation GET except that the value in the timeout
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field overrides any previously specified timeout value for this
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lock.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static <a href="LockOperation.html" title="class in com.sleepycat.db">LockOperation</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#PUT">PUT</a></span></code></th>
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<td class="colLast">
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<div class="block">The lock to which the lock field refers is released.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static <a href="LockOperation.html" title="class in com.sleepycat.db">LockOperation</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#PUT_ALL">PUT_ALL</a></span></code></th>
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<td class="colLast">
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<div class="block">All locks held by the specified locker are released.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static <a href="LockOperation.html" title="class in com.sleepycat.db">LockOperation</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#PUT_OBJ">PUT_OBJ</a></span></code></th>
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<td class="colLast">
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<div class="block">All locks held on obj are released.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static <a href="LockOperation.html" title="class in com.sleepycat.db">LockOperation</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#TIMEOUT">TIMEOUT</a></span></code></th>
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<td class="colLast">
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<div class="block">Cause the specified locker to timeout immediately.</div>
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</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>java.lang.String</code></td>
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<h4>GET</h4>
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<pre>public static final <a href="LockOperation.html" title="class in com.sleepycat.db">LockOperation</a> GET</pre>
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<div class="block">Get the lock defined by the values of the mode and obj fields, for
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the specified locker. Upon return from <a href="Environment.html#lockVector-int-boolean-com.sleepycat.db.LockRequest:A-"><code>Environment.lockVector</code></a>, if the lock field is non-null, a reference to the
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acquired lock is stored there. (This reference is invalidated by
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any call to <a href="Environment.html#lockVector-int-boolean-com.sleepycat.db.LockRequest:A-"><code>Environment.lockVector</code></a> or <a href="Environment.html#putLock-com.sleepycat.db.Lock-"><code>Environment.putLock</code></a> that releases the lock.)</div>
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<h4>GET_TIMEOUT</h4>
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<pre>public static final <a href="LockOperation.html" title="class in com.sleepycat.db">LockOperation</a> GET_TIMEOUT</pre>
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<div class="block">Identical to LockOperation GET except that the value in the timeout
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field overrides any previously specified timeout value for this
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lock. A value of 0 turns off any previously specified timeout.</div>
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<h4>PUT</h4>
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<pre>public static final <a href="LockOperation.html" title="class in com.sleepycat.db">LockOperation</a> PUT</pre>
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<div class="block">The lock to which the lock field refers is released. The locker,
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mode and obj fields are ignored.</div>
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<h4>PUT_ALL</h4>
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<pre>public static final <a href="LockOperation.html" title="class in com.sleepycat.db">LockOperation</a> PUT_ALL</pre>
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<div class="block">All locks held by the specified locker are released. The lock,
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mode, and obj fields are ignored. Locks acquired in operations
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performed by the current call to <a href="Environment.html#lockVector-int-boolean-com.sleepycat.db.LockRequest:A-"><code>Environment.lockVector</code></a>
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which appear before the PUT_ALL operation are released; those
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acquired in operations appearing after the PUT_ALL operation are not
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released.</div>
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<h4>PUT_OBJ</h4>
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<pre>public static final <a href="LockOperation.html" title="class in com.sleepycat.db">LockOperation</a> PUT_OBJ</pre>
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<div class="block">All locks held on obj are released. The locker parameter and the
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lock and mode fields are ignored. Locks acquired in operations
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performed by the current call to <a href="Environment.html#lockVector-int-boolean-com.sleepycat.db.LockRequest:A-"><code>Environment.lockVector</code></a>
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that appear before the PUT_OBJ operation operation are released;
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those acquired in operations appearing after the PUT_OBJ operation
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are not released.</div>
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<h4>TIMEOUT</h4>
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<pre>public static final <a href="LockOperation.html" title="class in com.sleepycat.db">LockOperation</a> TIMEOUT</pre>
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<div class="block">Cause the specified locker to timeout immediately. If the database
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environment has not configured automatic deadlock detection, the
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transaction will timeout the next time deadlock detection is
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performed. As transactions acquire locks on behalf of a single
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locker ID, timing out the locker ID associated with a transaction
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will time out the transaction itself.</div>
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<pre class="methodSignature">public java.lang.String toString()</pre>
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