org.eclipse.persistence.descriptors.PessimisticLockingPolicy java code examples

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private void myMethod () {
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}

  /**
   * INTERNAL:
   * Clone the policy
   */
  public Object clone() {
    PessimisticLockingPolicy clone = new PessimisticLockingPolicy();
    clone.setLockingMode(this.lockingMode);
    return clone;
  }
}

if (lockingClause == null) {
  lockingClause = new ForUpdateOfClause();
  lockingClause.setLockMode(nestedDescriptor.getCMPPolicy().getPessimisticLockingPolicy().getLockingMode());

cmpPolicy.setPessimisticLockingPolicy((PessimisticLockingPolicy)parentCMPPolicy.getPessimisticLockingPolicy().clone());

if (lockingClause == null) {
  lockingClause = new ForUpdateOfClause();
  lockingClause.setLockMode(nestedDescriptor.getCMPPolicy().getPessimisticLockingPolicy().getLockingMode());

cmpPolicy.setPessimisticLockingPolicy((PessimisticLockingPolicy)parentCMPPolicy.getPessimisticLockingPolicy().clone());

  /**
   * INTERNAL:
   * Clone the policy
   */
  public Object clone() {
    PessimisticLockingPolicy clone = new PessimisticLockingPolicy();
    clone.setLockingMode(this.lockingMode);
    return clone;
  }
}

if (lockingClause == null) {
  lockingClause = new ForUpdateOfClause();
  lockingClause.setLockMode(nestedDescriptor.getCMPPolicy().getPessimisticLockingPolicy().getLockingMode());

cmpPolicy.setPessimisticLockingPolicy((PessimisticLockingPolicy)parentCMPPolicy.getPessimisticLockingPolicy().clone());

  /**
   * INTERNAL:
   * Clone the policy
   */
  public Object clone() {
    PessimisticLockingPolicy clone = new PessimisticLockingPolicy();
    clone.setLockingMode(this.lockingMode);
    return clone;
  }
}

lockingClause.setLockMode(descriptor.getCMPPolicy().getPessimisticLockingPolicy().getLockingMode());
lockingClause.addLockedExpression(getExpressionBuilder());

protected void addCMPPolicyLines(NonreflectiveMethodDefinition method, CMPPolicy sourceCMPPolicy) {
  if (sourceCMPPolicy == null) {
    return;
  }
  method.addLine("");
  method.addLine("// CMP Policy");
  method.addLine("CMPPolicy cmpPolicy = new CMPPolicy();");
  method.addLine("cmpPolicy.setDeferModificationsUntilCommit(" + sourceCMPPolicy.getDeferModificationsUntilCommit() + ");");
  method.addLine("cmpPolicy.setForceUpdate(" + sourceCMPPolicy.getForceUpdate() + ");");
  method.addLine("cmpPolicy.setNonDeferredCreateTime( " + sourceCMPPolicy.getNonDeferredCreateTime() + ");");
  method.addLine("cmpPolicy.setUpdateAllFields(" + sourceCMPPolicy.getUpdateAllFields() + ");");
  if (sourceCMPPolicy.hasPessimisticLockingPolicy()) {
    method.addLine("");
    method.addLine("// Pessimistic Locking Policy");
    method.addLine("cmpPolicy.setPessimisticLockingPolicy(new PessimisticLockingPolicy());");
    if (ObjectLevelReadQuery.LOCK == sourceCMPPolicy.getPessimisticLockingPolicy().getLockingMode()) {
      method.addLine("cmpPolicy.getPessimisticLockingPolicy().setLockingMode(ObjectLevelReadQuery.LOCK);");
    } else {
      method.addLine("cmpPolicy.getPessimisticLockingPolicy().setLockingMode(ObjectLevelReadQuery.LOCK_NOWAIT);");
    }
  }
  method.addLine("descriptor.setCMPPolicy(cmpPolicy);");
}

protected void addCMPPolicyLines(NonreflectiveMethodDefinition method, CMPPolicy sourceCMPPolicy) {
  if (sourceCMPPolicy == null) {
    return;
  }
  method.addLine("");
  method.addLine("// CMP Policy");
  method.addLine("CMPPolicy cmpPolicy = new CMPPolicy();");
  method.addLine("cmpPolicy.setDeferModificationsUntilCommit(" + sourceCMPPolicy.getDeferModificationsUntilCommit() + ");");
  method.addLine("cmpPolicy.setForceUpdate(" + sourceCMPPolicy.getForceUpdate() + ");");
  method.addLine("cmpPolicy.setNonDeferredCreateTime( " + sourceCMPPolicy.getNonDeferredCreateTime() + ");");
  method.addLine("cmpPolicy.setUpdateAllFields(" + sourceCMPPolicy.getUpdateAllFields() + ");");
  if (sourceCMPPolicy.hasPessimisticLockingPolicy()) {
    method.addLine("");
    method.addLine("// Pessimistic Locking Policy");
    method.addLine("cmpPolicy.setPessimisticLockingPolicy(new PessimisticLockingPolicy());");
    if (ObjectLevelReadQuery.LOCK == sourceCMPPolicy.getPessimisticLockingPolicy().getLockingMode()) {
      method.addLine("cmpPolicy.getPessimisticLockingPolicy().setLockingMode(ObjectLevelReadQuery.LOCK);");
    } else {
      method.addLine("cmpPolicy.getPessimisticLockingPolicy().setLockingMode(ObjectLevelReadQuery.LOCK_NOWAIT);");
    }
  }
  method.addLine("descriptor.setCMPPolicy(cmpPolicy);");
}

protected void addCMPPolicyLines(NonreflectiveMethodDefinition method, CMPPolicy sourceCMPPolicy) {
  if (sourceCMPPolicy == null) {
    return;
  }
  method.addLine("");
  method.addLine("// CMP Policy");
  method.addLine("CMPPolicy cmpPolicy = new CMPPolicy();");
  method.addLine("cmpPolicy.setDeferModificationsUntilCommit(" + sourceCMPPolicy.getDeferModificationsUntilCommit() + ");");
  method.addLine("cmpPolicy.setForceUpdate(" + sourceCMPPolicy.getForceUpdate() + ");");
  method.addLine("cmpPolicy.setNonDeferredCreateTime( " + sourceCMPPolicy.getNonDeferredCreateTime() + ");");
  method.addLine("cmpPolicy.setUpdateAllFields(" + sourceCMPPolicy.getUpdateAllFields() + ");");
  if (sourceCMPPolicy.hasPessimisticLockingPolicy()) {
    method.addLine("");
    method.addLine("// Pessimistic Locking Policy");
    method.addLine("cmpPolicy.setPessimisticLockingPolicy(new PessimisticLockingPolicy());");
    if (ObjectLevelReadQuery.LOCK == sourceCMPPolicy.getPessimisticLockingPolicy().getLockingMode()) {
      method.addLine("cmpPolicy.getPessimisticLockingPolicy().setLockingMode(ObjectLevelReadQuery.LOCK);");
    } else {
      method.addLine("cmpPolicy.getPessimisticLockingPolicy().setLockingMode(ObjectLevelReadQuery.LOCK_NOWAIT);");
    }
  }
  method.addLine("descriptor.setCMPPolicy(cmpPolicy);");
}

lockingClause.setLockMode(this.descriptor.getCMPPolicy().getPessimisticLockingPolicy().getLockingMode());
lockingClause.addLockedExpression(getExpressionBuilder());

lockingClause.setLockMode(this.descriptor.getCMPPolicy().getPessimisticLockingPolicy().getLockingMode());
lockingClause.addLockedExpression(getExpressionBuilder());

Javadoc

Description: This policy is used to configure bean level pessimistic locking feature. It is set on the CMPPolicy instance of the ClassDescriptor Note that bean is not pessimistic locked in the following scenarios:

No presence of a JTA transaction
The current transaction is created and started by the Container for the invoking entity bean's method only. (i.e. invoke a business method without a client transaction)
The bean has already been pessimistic locked in the current transaction
Execution of ejbSelect
Traversing relationship does not lock the returned result.

Responsibilities:

Configure locking modes of WAIT or NO_WAIT
Provide utility to configure an ObjectLevelReadQuery with pessimistic locking based on this policy.

Most used methods

<init>
clone
INTERNAL: Clone the policy
getLockingMode
PUBLIC: Return locking mode. Default locking mode is ObjectLevelReadQuery.LOCK.
setLockingMode
PUBLIC: Set locking mode. If the mode is not a valid value, the locking mode is unchanged.

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How to usePessimisticLockingPolicy in org.eclipse.persistence.descriptors

Best Java code snippets using org.eclipse.persistence.descriptors.PessimisticLockingPolicy (Showing top 15 results out of 315)

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