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CassandraCompiledCondition.java
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CassandraCompiledCondition.java
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/*
* Copyright (c) 2018, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.wso2.extension.siddhi.store.cassandra.condition;
import io.siddhi.core.util.collection.operator.CompiledCondition;
import java.util.List;
import java.util.SortedMap;
/**
* Implementation class of {@link CompiledCondition} corresponding to the Cassandra Event Table.
* Maintains the conditions returned by the ExpressionVisitor as well as as a set of boolean values for inferring
* states to be used at runtime.
*/
public class CassandraCompiledCondition implements CompiledCondition {
private static final long serialVersionUID = 1L;
private String compiledQuery;
private SortedMap<Integer, Object> parameters;
private boolean readOnlyCondition;
private List<String> storeAttributeNames;
public CassandraCompiledCondition(String compiledQuery, SortedMap<Integer, Object> parameters,
boolean readOnlyCondition, List<String> storeAttributeNames) {
this.compiledQuery = compiledQuery;
this.parameters = parameters;
this.readOnlyCondition = readOnlyCondition;
this.storeAttributeNames = storeAttributeNames;
}
public CompiledCondition cloneCompilation(String key) {
return new CassandraCompiledCondition(this.compiledQuery, this.parameters, this.readOnlyCondition,
this.storeAttributeNames);
}
/**
* This method is used to obtain the compiled query
* @return returns the compiled query
*/
public String getCompiledQuery() {
return compiledQuery;
}
/**
* This is used to obtain the String value of the compiled query
* @return the String value of the compiled query
*/
public String toString() {
return getCompiledQuery();
}
/**
* This is used to obtain the sorted map of parameter values according to the value
* @return returns a map of parameters
*/
public SortedMap<Integer, Object> getParameters() {
return parameters;
}
/**
* This method is to get whether this is a readonly condition.
* Readonly condition means that the Siddhi condition should contain only == (Equal operator) in the
* condition statement
* @return returns whether this is a readonly condition.
*/
public boolean getReadOnlyCondition() {
return readOnlyCondition;
}
/**
* This method returns the list of attribute names
*
*/
public List<String> getStoreAttributeNames() {
return storeAttributeNames;
}
}