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Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
package org.apache.pig.newplan.logical.rules;
A plan for DNF boolean tree so the size can be controlled.
class DNFPlan extends LogicalExpressionPlan {
    private static final int sizeLimit = 100;
    @Override
    public void explain(PrintStream psString formatboolean verbose)
                    throws FrontendException {
        ps.println("#-----------------------------------------------");
        ps.println("# DNF Plan:");
        ps.println("#-----------------------------------------------");
    }
    public void safeAdd(Operator opthrows FrontendException {
        // addition after size limit check
        if (size() + 1 > )
            throw new FrontendException(
                            "DNF size limit of " +  + " is reached");
        super.add(op);
    }
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