Package org.eclipse.persistence.internal.expressions

Examples of org.eclipse.persistence.internal.expressions.ForUpdateOfClause

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                if (nestedDescriptor == null) {
                    return lockingClause;
                }
                if (nestedDescriptor.hasPessimisticLockingPolicy()) {
                    if (lockingClause == null) {
                        lockingClause = new ForUpdateOfClause();
                        lockingClause.setLockMode(nestedDescriptor.getCMPPolicy().getPessimisticLockingPolicy().getLockingMode());
                    }
                    lockingClause.addLockedExpression(joinedAttribute);
                }
            }
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        }

        // modify query for locking only if locking has not been configured
        if (isDefaultLock()) {
            setWasDefaultLockMode(true);
            ForUpdateOfClause lockingClause = null;
            if (hasJoining()) {
                lockingClause = getJoinedAttributeManager().setupLockingClauseForJoinedExpressions(lockingClause, getSession());
            }
            if (this.descriptor.hasPessimisticLockingPolicy()) {
                lockingClause = new ForUpdateOfClause();
                lockingClause.setLockMode(this.descriptor.getCMPPolicy().getPessimisticLockingPolicy().getLockingMode());
                lockingClause.addLockedExpression(getExpressionBuilder());
            }
            if (lockingClause != null) {
                this.lockingClause = lockingClause;
                // SPECJ: Locking not compatible with distinct for batch reading.
                dontUseDistinct();
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        }

        // modify query for locking only if locking has not been configured
        if (isDefaultLock()) {
            setWasDefaultLockMode(true);
            ForUpdateOfClause lockingClause = null;
            if (hasJoining()) {
                lockingClause = getJoinedAttributeManager().setupLockingClauseForJoinedExpressions(lockingClause, getSession());
            }
            if (this.descriptor.hasPessimisticLockingPolicy()) {
                lockingClause = new ForUpdateOfClause();
                lockingClause.setLockMode(this.descriptor.getCMPPolicy().getPessimisticLockingPolicy().getLockingMode());
                lockingClause.addLockedExpression(getExpressionBuilder());
            }
            if (lockingClause != null) {
                this.lockingClause = lockingClause;
                // SPECJ: Locking not compatible with distinct for batch reading.
                dontUseDistinct();
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                if (nestedDescriptor == null) {
                    return lockingClause;
                }
                if (nestedDescriptor.hasPessimisticLockingPolicy()) {
                    if (lockingClause == null) {
                        lockingClause = new ForUpdateOfClause();
                        lockingClause.setLockMode(nestedDescriptor.getCMPPolicy().getPessimisticLockingPolicy().getLockingMode());
                    }
                    lockingClause.addLockedExpression(joinedAttribute);
                }
            }
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                if (nestedDescriptor == null) {
                    return lockingClause;
                }
                if (nestedDescriptor.hasPessimisticLockingPolicy()) {
                    if (lockingClause == null) {
                        lockingClause = new ForUpdateOfClause();
                        lockingClause.setLockMode(nestedDescriptor.getCMPPolicy().getPessimisticLockingPolicy().getLockingMode());
                    }
                    lockingClause.addLockedExpression(joinedAttribute);
                }
            }
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        }

        // modify query for locking only if locking has not been configured
        if (isDefaultLock()) {
            setWasDefaultLockMode(true);
            ForUpdateOfClause lockingClause = null;
            if (hasJoining()) {
                lockingClause = getJoinedAttributeManager().setupLockingClauseForJoinedExpressions(lockingClause, getSession());
            }
            if (this.descriptor.hasPessimisticLockingPolicy()) {
                lockingClause = new ForUpdateOfClause();
                lockingClause.setLockMode(this.descriptor.getCMPPolicy().getPessimisticLockingPolicy().getLockingMode());
                lockingClause.addLockedExpression(getExpressionBuilder());
            }
            if (lockingClause != null) {
                this.lockingClause = lockingClause;
                // SPECJ: Locking not compatible with distinct for batch reading.
                dontUseDistinct();
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    /**
     * INTERNAL:
     * Return relation table locking clause.
     */
    public void setRelationTableLockingClause(ObjectLevelReadQuery targetQuery, ObjectBuildingQuery sourceQuery) {
        ForUpdateOfClause lockingClause = new ForUpdateOfClause();
        lockingClause.setLockMode(sourceQuery.getLockMode());
        FieldExpression exp = (FieldExpression)targetQuery.getExpressionBuilder().getTable(this.relationTable).getField(this.sourceRelationKeyFields.get(0));
        lockingClause.addLockedExpression(exp);
        targetQuery.setLockingClause(lockingClause);
        // locking clause is not compatible with DISTINCT
        targetQuery.setShouldOuterJoinSubclasses(true);
    }
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    /**
     * INTERNAL:
     * Return relation table locking clause.
     */
    public void setRelationTableLockingClause(ObjectLevelReadQuery targetQuery, ObjectBuildingQuery sourceQuery) {
        ForUpdateOfClause lockingClause = new ForUpdateOfClause();
        lockingClause.setLockMode(sourceQuery.getLockMode());
        FieldExpression exp = (FieldExpression)targetQuery.getExpressionBuilder().getTable(this.relationTable).getField(this.sourceRelationKeyFields.get(0));
        lockingClause.addLockedExpression(exp);
        targetQuery.setLockingClause(lockingClause);
        // locking clause is not compatible with DISTINCT
        targetQuery.setShouldOuterJoinSubclasses(true);
    }
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        }

        // modify query for locking only if locking has not been configured
        if (isDefaultLock()) {
            setWasDefaultLockMode(true);
            ForUpdateOfClause lockingClause = null;
            if (hasJoining()) {
                lockingClause = getJoinedAttributeManager().setupLockingClauseForJoinedExpressions(lockingClause, getSession());
            }
            if (this.descriptor.hasPessimisticLockingPolicy()) {
                lockingClause = new ForUpdateOfClause();
                lockingClause.setLockMode(this.descriptor.getCMPPolicy().getPessimisticLockingPolicy().getLockingMode());
                lockingClause.addLockedExpression(getExpressionBuilder());
            }
            if (lockingClause != null) {
                this.lockingClause = lockingClause;
                // SPECJ: Locking not compatible with distinct for batch reading.
                dontUseDistinct();
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    /**
     * INTERNAL:
     * Return relation table locking clause.
     */
    public void setRelationTableLockingClause(ObjectLevelReadQuery targetQuery, ObjectBuildingQuery sourceQuery) {
        ForUpdateOfClause lockingClause = new ForUpdateOfClause();
        lockingClause.setLockMode(sourceQuery.getLockMode());
        FieldExpression exp = (FieldExpression)targetQuery.getExpressionBuilder().getTable(this.relationTable).getField(this.sourceRelationKeyFields.get(0));
        lockingClause.addLockedExpression(exp);
        targetQuery.setLockingClause(lockingClause);
        // locking clause is not compatible with DISTINCT
        targetQuery.setShouldOuterJoinSubclasses(true);
    }
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Related Classes of org.eclipse.persistence.internal.expressions.ForUpdateOfClause

  • org.eclipse.persistence.internal.queries.JoinedAttributeManager
  • org.eclipse.persistence.mappings.ForeignReferenceMapping
  • org.eclipse.persistence.mappings.RelationTableMechanism
  • org.eclipse.persistence.queries.ObjectLevelReadQuery
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